In addition, it has a diffuse whitening effect on the skin as shown in a study by Ahn and Kim. It is an alpha hydroxy peel with a low pH for efficiency; it also does not need neutralisation, and therefore the danger of overpeeling is avoided. Godse KV, Sakhia J. Melasma is an acquired disorder of hyperpigmentation characterised by blotchy, light-to-dark brown macules distributed symmetrically on the sun-exposed parts of the body. Apply to clean skin, catch some zs and wake up looking better! Summary of mandelic acid for the improvement of skin conditions. chemical skin dark peels treatment Uhoda E, Pierard-Franchimont C, Pierard GE. For a deep pore cleanse that will exfoliate the skin, reduce hyperpigmentation and tend to large pores, this at-home peel will be your new skin fix. Due to the sensitivity of African American skin, it is best to use care when choosing peels and to select them based on the intensity of the problem. Melasma is a common disorder of hyperpigmentation, which has a severe impact on the quality of life. Split-face comparative study of 1550 nm fractional photothermolysis and trichloroacetic acid 15% chemical peeling for facial melasma in Asian skin. These peels may be used for skin that is moderately wrinkled or with slightly deeper wrinkles from middle age, scarring, or skin with a rougher texture than could be helped with superficial peels. The traditional glycolic peels prove to be the best both in terms of safety as well as efficacy. In a study by Garg et al.,[49] 60 Indian patients with melasma were randomly allocated into three groups, receiving only glycolic peel, GA primed with 0.025% tretinoin and 2% hydroquinone, respectively. chemical peel african american jessner Following this, a pilot study was carried out in dark-skinned patients by Khunger et al.,[28] who compared 1% tretinoin peel with a standard 70 % GA peel. peel chemical scars acne dark skin before lightskincure pores spots Lactic acid chemical peels as a new therapeutic modality in melasma in comparison to Jessner's solution chemical peels. Overall your skin will be clearer and more luminous. Varma S, Roberts DL. As regards management, the therapeutic options range from photoprotection, topical hypopigmenting agents, chemical peels and lasers to a variety of less-tried systemic agents like fish oil, green tea and deoxyarbutin. The first successful use of tretinoin peel for melasma was done by Cuce et al. Azzam OA, Leheta TM, Nagui NA, Shaarawy E, Abdel Hay RM, Hilal RF. This is particularly so with the use of chemical peels because they work by the temporary removal of cutaneous melanin without any action on the process of melanogenesis or melanocytes. It also works to reduce inflammation and prevent redness and signs of premature aging. ClarityRx Restore It 7.5 Percent Glycolic Exfoliator. Gary Monheit first popularised the combination peel using the classic Jessner's solution combined with 35% TCA. Easy phytic solution, a commonly used agent in our setup might as well replace the conventional alpha hydroxy acids because of its unique properties, whereas the TCA peels still need to be used with caution in dark skin owing to the risk of pigment dyschromias. In a study of 20 female patients with melasma by Safoury et al.,[30] a combination of modified Jessner's solution with 15% TCA was compared with only 15% TCA, and it was found that the result was better on the side of the combination peel. [29] These studies justify further experimentation with lactic acid as a peeling agent for dark skin. As already discussed, the biggest drawback with the use of chemical peels for melasma in ethnic skin is PIH which can either occur between the treatment sessions or after stopping treatment. Berardesca E, Cameli N, Primavera G, Carrera M. Clinicaland Instrumental Evaluation of Skin Improvement after Treatment with a New 50% Pyruvic Acid Peel. Although there are no published studies with the agent, in our experience the phytic peel is a very safe and effective agent for treating melasma in dark skin, and definitely needs further evaluation. The peel solution is left on the face until the following morning, unlike the traditional alphahydroxy peels which require immediate neutralisation. The glycolic acid that dermatologists use may have better results than products that can be bought over the counter. To conclude, chemical peeling proves to be a promising modality for the treatment of melasma indark-skinned patients though it is only a second-line agent or an adjunct to topical therapies. The site is secure. Melasma: A comprehensive update: Part II. Chemical peeling in ethnic/dark skin. The perfect on-the-go peel, these travel-friendly pads smoothe and brighten skin, reduce the appearance of fine lines, wrinkles, and enlarged pores, and stimulate the production of collagen so skin stays plump and firm. The new PMC design is here! Every day we're serving Black women deeply. Whitening effect of salicylic acid peels in Asian patients. Think: clearer, brighter, softer skin. Priming or preparing the skin prior to the peel is an useful adjunctive measure which also enhances the effect of the peeling agent apart from decreasing the PIH. Sobhi RM, Sobhi AM. Apart from being effective for acne, photodamage and superficial scarring, the agent has also shown benefit in a number of pigmentary disorders in light-skinned patients. These superficial peels are less likely to cause damage. The depth of the problem should, in fact, match the peel; choose the safest peel available to correct the problem. HHS Vulnerability Disclosure, Help Grover C, Reddu BS. Plant, Food and Fruit based acids such as alpha and beta hydroxy acids have been used to renew and rejuvenate skin for centuries.

[9,10] Regarding the histological classification of melasma, three histologic patterns have been identified based on the primary location of pigment accumulation: Epidermal, dermal and mixed.[11,12]. Although many factors have been proposed to have a role in pathogenesis, the exact cause and etiology are yet to be understood. Grimes PE. The salicylic acid that is sold in stores is a weaker concentration than the formulas that doctors use in chemical peels for African American skin. Comedolysis by a lipohydroxyacid formulation in acne-prone subjects. Although a number of new agents have come up, there is little published evidence supporting their use in day-to -day practice. [48] Studies have been conducted to assess the benefit of priming agents as adjuncts to chemical peels [Table 4]. Ilknur T, Bicak MU, Demirtaroglu M, Ozkan S. Glycolic Acid Peels Versus Amino Fruit Acid Peels in the Treatment of Melasma. In another study by Nanda et al.,[50] better improvement was seen with 2% hydroquinone as a priming agent as compared to 0.025% tretinoin when used as an adjunct with 10-30% TCA peels. A few other points which deserve special attention in dark skin is the advice regarding photoprotection, the use of priming agents and the need for maintenance peels. Glycolic acid peels in the treatment of melasma among Asian women. They are potent antioxidants, and have been found to be effective as anti-ageing cosmeceuticals and act against photopigmentation. So while the applying "acid" to your skinin any form may sound as if it'll do more harm than good, these acid-based products are incredibly beneficial in clearing and brightening hyperpigmentation, acne scars, and melasma affected skin. However, as there are no comparative studies, it is difficult to comment if the agent is better or inferior to the traditional glycolic peels. These products are also used to treat hyperpigmentation in African American skin, because the acid removes the outer layer of the skin, and may eventually remove some the pigmentation after several months of use, depending on the product's strength and the length of time that it is allowed to work on the skin. Hurley ME, Guevara IL, Gonzales RM, Pandya AG.

The combination of glycolic acid peels with a topical regimen in the treatment of melasma in dark-skinned patients: A comparative study.

Light microscopic, immunohistochemical, and ultrastructural alterations in patients with melasma. When used, only a low concentration of TCA (10-35%) is preferred which reaches upto the upper papillary dermis, and hence TCA peels are not appropriate for treating dermal and mixed forms of melasma. Hence, the typical burning sensation seen with the glycolic peel is not observed with the phytic acid peels. PMC legacy view These travel-friendly glycolic peel pads restore moisture to the skin, improve texture and give you a fresh glow. How to Get an Even Skin Tone Without Makeup, Caring for Skin of Color: Interview with Dr. Jeanine Downie, Three Old-Fashioned Remedies for Severe Sunburn. Lutfi RJ, Fridmanis M, Misiunas AL, Pafume O, Gonzalez EA, Villemur JA, et al. Priming ensures uniform penetration of the peeling agent, enhances healing and maintains the effects achieved with the chemical peel. The recipe for red carpet-worthy skin and the ultimate Sunday morning luxury, this at-home facial peel brightens dull skin, activates cell turnover and boosts collagen production to reveal vibrant, even and smoother skin. Evidence and Considerations in the Application of Chemical Peels in Skin Disorders and Aesthetic Resurfacing.

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Inspite of extensive use of topical tretinoin cream both alone and as a part of Kligman's formula for treating melasma, there is still a paucity of literature on the peel formulation of the agent which has shown favourable results in a few of the recent studies. The In their study of 20 patients, 92% pure lactic acid was applied for a maximum of six sessions, and a significant fall in MASI (56%) was observed in all the 12 patients who completed the study. Prudential Dream & Plan with Confidence. Mario Badescu Skin Care Rolling Cream Peel with A.H.A. Glycolic peels and salicylic peals are typically two of the mildest forms of peels. Salicylic acid, a beta-hydroxy acid though traditionally used for acne, has also been tried in pigmentary disorders like melasma. One member of this group which has gained significant attention in recent years is pyruvic acid. Think: enlarged pores, uneven texture and improved tone. People in their late 20s, 30s, and 40s typically use glycolic peels. The perk, its formulated by doctors and you only need to use it a few times a month! It is generally used as a 30-70% GA solution. [26] The only sideeffects observed with the GA peels were mild burning, erythema, desquamation and a transient PIH. Melasma: A comprehensive update: Part I. Peels that use salicylic acid are also common. Association of melasma with thyroid autoimmunity and other thyroidal abnormalities and their relationship to the origin of the melasma. This peel does it all! will also be available for a limited time. Khunger N, Sarkar R, Jain RK. By clicking Sign Up, you agree to our Claudine is the editor-in-chief of Somewhere Luxurious and a freelance writer with a Master's in Communication, and has contributed to numerous digital and print publications. This at-home peel is pocket-friendly and yield results, fast! Mario Badescu is known for its gentle and uber-effective line of skincare products. Although a wide variety of agents are available for chemical peels, the choice becomes relatively limited when you are treating a patient with a Fitzpatrick skin type IV or above. Roberts WE. However, in darker races, the choice of the peeling agent becomes relatively limited; so, there is the need for priming agents and additional maintenance peels. Why wasn't this page useful? Theyre formulated to correct uneven skin tone and theyre super gentle so youll get all of the perks without the irritation. A few of her areas of expertise include beauty, style, skin care and more. This is probably because frosting, the end point for a TCA peel, is not well appreciated in darker skin, and hence can lead to overtreatment. Moreover, its tendency for post-inflammatory hyperpigmentation (PIH) is a major limiting factor for treatment procedures like lasers and chemical peels. [23] on dark-skinned individuals, 20-30% salicylic acid peel was used to treat acne, PIH and melasma, and it was observed that almost two-thirds of the patients with melasma showed a moderate improvement. [37] It has increased lipophilicity compared to salicylic acid, a more targeted mechanism of action and greater keratolytic effect. [34] However, the intense burning associated with pyruvic acid has limited its frequent use as a peeling agent for various conditions. Guidelines for topical photodynamic therapy: Update. Deep chemical peels can damage African American skin. Furthermore, chemical peels are generally used to treat only the epidermal and mixed forms of melasma, as an attempt to treat the deeper variant often leads to unwanted complications like hypertrophic scarring and permanent depigmentation.

Daily Health Rituals Proven to Boost Mood, Sleep, and Overall Health, 6 Healthy Habits to Jumpstart Your Wellness Routine. ESSENCE.com is part of ESSENCE Communications, Inc. The .gov means its official. They are superficial peels that are usually safer products for black skin. Efficacy of hydroquinone (2%) versus tretinoin (0.025%) as adjunct topical agents for chemical peeling in patients of melasma. The high incidence of PIH in darker skin is attributed to its faulty pathophysiological response to cutaneous injury, owing, in turn, to its increased melanocyte activity. In our own experience, the combination does really well for various skin conditions like acne, postacne scarring and pigment dyschromias including melasma. Offers may be subject to change without notice. The https:// ensures that you are connecting to the A recent interest in Jessner's solution is as a combination medium-depth peel along with other peeling agents like GA and TCA peel. In contrast to our study, Hurley et al. Inspite of tremendous research, the treatment remains frustrating both to the patient and the treating physician. Javaheri SM, Handa S, Kaur I, Kumar B. Its strong enough for him and gentle enough for you.

Department of Dermatology, Maulana Azad Medical College, and Lok Nayak Hospital, New Delhi, India. Brightening and protection against damaging free radicals? The vascular characteristics of melasma. Inspite of the increasing number of new peels coming up each day, there is little published evidence supporting their use in day-to -day practice.

Triple combination and glycolic acid peels in melasma in Indian patients. An easy solution to this problem is the phytic peel. [44] The peel allows progressive and sequential actuation of its acid in a non-aggressive manner. [16] Hence, the prevention and management of PIH after the application of various agents including chemical peels are of prime importance while treating melasma in dark skin. Klein M. Amino fruit acids: The new cosmeceutical. Melasma of the arms associated with hormone replacement therapy. [47] However, there are no studies on dark-skinned patients to substantiate this finding. This gentle peel is suitable for all skin types and ideal for acne prone skin. [1315] Although no single agent has proved to be effective for all patients, a combination of two or three agents is often tried to achieve optimum results. Consult with a dermatologist before treatment and ask questions. about navigating our updated article layout. Comparative study of trichloroacetic acid versus glycolic acid chemical peels in the treatment of melasma. Formulated to target fine lines, wrinkles, and hyperpigmentation, this at-home peel activates cell turnover by exfoliating and ridding the skin of dead cells. An important drawback associated with the application of alpha hydroxyl peels on the skin is the need for neutralisation and defining the exact time of neutralisation. Warning: your guy may steal this from you if he gets the chance to try it. Hong SP, Han SS, Choi SJ, Kim MS, Won CH, Lee MW, et al. Recently, a study was conducted by Berardesca et al.,[35] who used a new non-erythematogenic formulation of pyruvic acid and assessed its efficacy and tolerability for the treatment of photodamage, superficial scarring and melasma. Anesthesia, bandages and long healing times are also the norm when doctors treat using phenol peels. Resnik S. Melasma induced by oral contraceptive drugs. Although the treatment of melasma in dark skin is both frustrating and challenging, cautious and judicious use of chemical peels with a few precautions offers great satisfaction both to the patient as well as the treating physician. Ten female patients of melasma were taken up for an open leftright comparison study of 12 weeks. Sign up for daily content and exclusive offers you'll love! Morton CA, McKenna KE, Rhodes LE British Association of Dermatologists Therapy Guidelines and Audit Subcommittee and the British Photodermatology Group. Federal government websites often end in .gov or .mil. Freeze 24-7 Skin Smoothie Retexturizing Glycolic Pads. Griffin TD, Van Scott EJ, Maddin S. The use of pyruvic acid as a chemical peeling agent. Three to six peels and youll be a whole new woman! The fall in MASI was highest in the group receiving 2% hydroquinone as a priming agent with minimum relapse and PIH. Phenol peels can lighten the skin, and the face will not match the body, because peels are only used on the face.

There have been ample studies using GA for melasma in ethnic skin [Table 2]. The traditional glycolic peels prove to be the best both in terms of safety as well as efficacy. Melasma. Before Further, lactic acid was compared with a well-established peeling agent, Jessner's solution in a split-face design, and similar improvement was seen on both the sides with no relapse at a follow-up after six months. If your struggle with melasma or hyperpigmentation, merely using your cleanser may not clear up the dark spots on your skin. 2022 ESSENCE Communications Inc. All Rights Reserved. Advances in the Treatment of Melasma: A Review of the Recent Literature. Since they work deeply in the skin, doctors put patients to sleep when the peels is applied, and medication may be prescribed to deal with the pain in the weeks that it takes for the skin to heal. Rendon MI, Berson DS, Cohen JL, Roberts WE, Starker I, Wang B. In order for any of the concentrations to be effective and to achieve the best results on African American skin (and other skin tones), salicylic acid is typically applied in a series of treatments. [41] In a comparative study on 40 Indian women by Kumari et al.,[31] the overall fall in MASI after six TCA peels was comparable to that observed with a similar number of 10-35% GA peels. A study comparing chemicalpeeling using modified Jessner's solution and 15% trichloroacetic Acid versus 15% trichloroacetic acid in the treatment of melasma. Lim JT, Tham SN. Like glycolic acid, salicylic acid can be applied at home or in a doctor's office, depending on the concentration of the product. Phenol peels are rarely used and not repeated during a person's lifetime, unlike glycolic and salicylic acid peels, which are chemical peels for African American skin that can be used regularly. [1922] As expected, the epidermal form showed the best response, followed by the mixed type, whereas the dermal variant was almost resistant to the effect of chemical peels. The treatment ranges from a variety of easily applied topical therapies to agents like lasers and chemical peels.

Sharquie KE, Al-Tikreety MM, Al-Mashhadani SA. Though the peel has shown good results in patients with acne,[38] it is yet to be demonstrated if the peel is equally effective and safer than the conventional salicylic peels in patients with melasma too. Cuce LC, Bertino MC, Scattone L, Birkenhauer MC. Garg VK, Sinha S, Sarkar R. Glycolic acidpeels versus salicylic-mandelicacid peels in active acne vulgaris and post-acne scarring and hyperpigmentation: A comparative study. Obsessed with all things beauty? We also recommend the use of a new peeling agent, the easy phytic solution, which does not require neutralisation unlike the traditional alpha-hydroxy peels. [7] in a histopathological study on Asian patients. Different therapeutic modalities for treatment of melasma. Studies on chemical peels for melasma in dark skin, Comparative studies with chemical peels for melasma in dark skin. [36] In a pilot study by Grimes et al. Chock full of gentle skin-loving ingredients like alpha and beta hydroxy acids, this brightening at-home peel revives dull skin improves texture and tone and neutralizes the skin to reveal a more brilliant you! [42] Combining Jessner's solution with TCA allows a more uniform penetration and an excellent peel with a low, safe concentration of TCA. Nanda S, Grover C, Reddy BS. A list of agents which can be used for peeling in darker skin types is summarised in Table 1. Youll see radiant skin, smaller pores, and a reduction in the appearance of dark spots. Peach extract and lactic acid reveal brighter, clearer skin while shea butter and vitamin E heal and hydrate. Salicylic acid is anti-inflammatory and thus it also serves to decrease the PIH which usually follows the use of peeling agents on the skin. Studies on priming agents along with chemical peels for melasma in dark skin. It is so because of its diverse keratolytic, antimicrobial and sebostatic properties as well as the ability to stimulate the formation of new collagen and elastic fibres. Only mild side effects were noted in 16% patients which were transient and resolved in one to two weeks. Despite tremendous research into the etiology, pathogenesis and possible treatment options for melasma, the disease remains a therapeutic challenge to dermatologists, and a definitive modality of treatment is still a distant reality. SkinCeuticals Advanced Corrective Peel is gentle enough for brown skin but doesnt compromise on efficacy. Although there is no published data on melasma, the salicylic mandelic peels (SMPs) proved to be more efficacious for both active acne as well as post-acne hyperpigmentation as compared to the traditional GA peels. Melasma of the forearms. TCA-based bluepeel: A standardized procedure with depth control. [1,2] It is seen predominantly in Fitzpatrick skin types IV-VI, especially among Hispanics, African Americans, Africans and Asians. In fact, ethanol solutions of salicylic acid are excellent peeling agents for numerous conditions in dark-skinned individuals including acne, melasma and PIH. In most of these studies, there was a moderate improvement achieved in almost one-half of the patients. Chemical peeling is the application of a chemical agent to the skin, which causes the controlled destruction of a part or of the entire epidermis, with or without the dermis, leading to exfoliation and removal of superficial lesions, followed by the regeneration of new epidermal and dermal tissues.

Despite the continued popularity of the traditional peeling agents, a number of newer peeling agents are being explored for various pigmentary dyschromias including melasma. Thus, a reasonable therapeutic approach would be to use multiple sessions of chemical peels (usually about 5-6) at a two- to four-week interval along with additional maintenance therapy with chemical peels or to use a bleaching agent (like hydroquinone, kojic acid, tretinoin) which would suppress further production of melanin. Chemical peels that are appropriate for African American skin tend to simply coat the top layers of the skin. Careers. [18] This is because the deep chemical peels cannot be used in dark-skinned patients owing to the risk of prolonged hyperpigmentation. Zakopoulou N, Kontochristopoulos G. Superficial chemical peels. This peel is one of the mildest forms of peels, used for minor or superficial skin conditions, such as rough skin, or skin that is just beginning to show signs of aging. It is composed of a fixed concentration of TCA with the blue peel base (containing glycerine, saponins and a nonionic blue colour base). A recent addition to the list of chemical peels is the amino fruit acid peels. Garg VK, Sarkar R, Agarwal R. Comparative Evaluation of Beneficiary Effects of Priming Agents (2% Hydroquinone and 0.025% Retinoic Acid) in the Treatment of Melasma with Glycolic Acid Peels. Victor FC, Gelber J, Rao B. Melasma: A review. [21] GA peels have also been compared with other agents like topical hypopigmenting agents, lasers and other peels [Table 3]. For less than twenty bucks you can sleep your way to better skin! African Americans should seek a dermatologist who is skilled in working with dark skin tones, because the doctor will be more experienced in successfully using medium surfaced peels on your skin. and transmitted securely. However, as all the studies have been conducted in Fitzpatrick types II to IV, it remains to be answered if the peel would do reasonably well when used on ethnic skin. Furthermore, a vascular component has also been proposed to play a role in the pathogenesis of melasma. Click here to get your tickets for the first-ever ESSENCE Beauty Carnival tour! However, the TCA group complained of more severe burning as compared to GA; post-peel crackening was seen in 35% patients in the TCA group and none in the GA group. The safety and efficacy of salicylic acid chemical peels in darker racial-ethnic groups. This gentle peel gives you all of the perks of visiting a derm for a fraction of the price. A reduction in the surface tension of TCA, water and glycerine occurs which ensures a slow and more uniform penetration of TCA. Monheit GD. Sharquie KE, Al-Tikreety MM, Al-Mashhadani SA. Tretinoin peels versus glycolic acid peels in the treatment of Melasma in dark-skinned patients. Kim EH, Kim YC, Lee E-S, Kang HY. Kalla G, Garg A, Kachhawa D. Chemical peeling-Glycolic acid versus trichloroacetic acid in melasma. Lactic acid peels being relatively inexpensive and having shown equally good results in a few studies, definitely need further experimentation. Obagi ZE, Obagi S, Alaiti S, Stevens MB. Please help us improve. And, you can share it with your hubby! Depending on the severity of discoloration, more than one treatment may be needed. Sheth VM, Pandya AG. It is also used to treat skin discolorations, and reduce the appearance of lines and wrinkles when used as a peel. Inspite of this, the treatment of melasma remains a challenge, and a mild-moderate improvement is all that is achieved in a majority of patients. The mechanism of action of tretinoin peels is proposed to be similar to that of topical tretinoin, that is, via changes in the epidermis and dispersion of melanin. Generally, phytic acid peels are applied once a week but can be repeated twice a week when a more stimulative effect is required. The process can also cause the skin to flake, scar, or darken as it may regenerate darker than its original pigmentation. [43] in fair-skined patients. The fall in MASI at 6 and 12 weeks with tretinoin peel was similar to that achieved with the standard glycolic solution, with only minimal side effects. Apply to clean skin, leave it on for 10 minutes, rinse and follow with a moisturizer. Bethesda, MD 20894, Web Policies

The current levels of evidence and the strength of recommendations in accordance with the US preventive services task force levels of evidence for grading clinical trials [Appendix] for various peeling agents for dark skin is summarised in Table 5. The Jessner's + TCA peel: A medium-depth chemical peel. Dont miss out on our newsletter, featuring all the latest stories and products we love. Taylor MB. [17] Chemical peels are a well-known modality of treatment for melasma. Lactic acid, also an alphahydroxy acid having activities similar to GA, has surprisingly not been used extensively as a peeling agent in the treatment of melasma, although it is a non-costly and readily available agent. The bonus? Sarkar R, Kaur C, Bhalla M, Kanwar AJ. It involves the application of a topical depigmenting agent like hydroquinone, tretinoin or GAtwo weeks prior to the planned day of peel. government site. Another problem associated with the treatment of melasma in ethnic skin is the high incidence of recurrence or relapse. This simple at-home peel will become a staple in your beauty routine to up the ante on your skincare and treat the effects of aging skin. The most commonly identifiable risk factors include ultraviolet radiation, genetic predisposition, pregnancy, oral contraceptives, thyroid disease and drugs like antiepileptics. Grimes PE. Alpha and beta hydroxy acids work to bring pigment to the surface and peel over the course of 5-6 days to reveal brighter, fresher, more even skin. official website and that any information you provide is encrypted It was seen that the new preparation showed significant benefit in all the three conditions with no burning either during the peel sessions or during the post-peel period. Salicylic acid can dry out your skin, so it is best to consult with a doctor before using it on your own. Three distinct facial patterns have been traditionally identified for melasma: Malar, centrofacial and mandibular. Forty Indian melasma patients were divided into two groups of 20 each.

Deprez P. Easy Phytic Solution: A New Alpha Hydroxy Acid Peel with Slow Release and without Neutralization.