La Roche-Posay MELA B3 Facial Gel Cleanser for acne-prone skin

How to apply

Questions and answers

What the research says

• Gluconolactone 14% solution significantly improved mild to moderate acne by reducing inflamed and non-inflamed lesions similarly to 5% benzoyl peroxide, but with fewer side-effects in 150 patients.

  The Australasian Journal of Dermatology, 1992

• Glycolic acid, salicylic acid, gluconolactone, and licochalcone A combined with 0.1% adapalene showed no hindrance compared to adapalene monotherapy and provided benefits in reducing complications in 25 subjects with mild-to-moderate acne vulgaris.

  Clinical, Cosmetic and Investigational Dermatology, 2019

• Combining 10% gluconolactone chemical peeling with oxybrasion or microneedle mesotherapy increased skin hydration and decreased sebum, pH, and TEWL in twenty-one Caucasian women, with no significant differences between the two methods.

  Skin Research and Technology, 2023

• Lactobionic acid produced better skin performance with a lack of skin irritation and barrier impairment compared to glycolic acid in 77 healthy volunteers.

  Journal of Cosmetic Dermatology, 2010

• A polyhydroxy acid skin care regimen provided antiaging benefits comparable to an alpha-hydroxyacid regimen while demonstrating enhanced mildness and better tolerance in subjects.

  Cutis, 2004

• Topical post-laser application of human adipocyte-derived mesenchymal stem cell media combined with niacinamide significantly improved wrinkle index, melanin index, patient satisfaction, and investigator esthetic improvement scores compared to vehicle cream in patients with aging skin.

  Journal of Cosmetic Dermatology, 2021

• Topical nicotinamide prevented solar-simulated UV-induced immunosuppression in healthy volunteers, and men experienced immunosuppression at solar-simulated UV doses three times lower than those required for women.

  The Journal of Investigative Dermatology, 2008

• Topical 5% niacinamide applied twice daily for 12 weeks reduced fine lines and wrinkles, hyperpigmented spots, red blotchiness, and skin sallowness, and improved skin elasticity compared to vehicle control in 50 female white subjects with facial photoaging.

  Dermatologic Surgery, 2005

• A single application of a moisturizing fluid containing hyaluronic acid 1%, glycerin 5%, and Centella asiatica stem cells extract significantly increased skin hydration by 29% and reduced transepidermal water loss at 24 hours compared to baseline and an untreated control site in twenty healthy women.

  Clinical, Cosmetic and Investigational Dermatology, 2017

• The emollient V0034CR significantly reduced TEWL compared to vehicle and vehicle plus glycerol, and significantly increased corneometry scores compared to vehicle and vehicle plus petrolatum in healthy volunteers with dry skin, demonstrating combined barrier function improvement from petrolatum and hydration improvement from glycerol.

  Journal of Cosmetic Dermatology, 2020

• Ten days of treatment with a cream containing 20% glycerin significantly increased skin hydration measured by corneometer values in 17 healthy volunteers compared to a placebo cream, but showed no influence on transepidermal water loss or skin sensitivity to an irritating surfactant.

  International Journal of Cosmetic Science, 2001

• Gluconolactone and tartaric acid significantly lower transepidermal water loss and erythema after sodium lauryl sulphate challenge compared to vehicle, untreated control, and glycolic acid in healthy subjects.

  The British Journal of Dermatology, 1997

• Gluconolactone treatment significantly increased facial skin hydration in 16 healthy women, with no significant differences between 10% and 30% solutions.

  Skin Research and Technology, 2021

• Gluconolactone chemical peels lower skin pH and transepidermal water loss while demonstrating seboregulatory properties in 16 female subjects.

  Journal of Cosmetic Dermatology, 2023

Ingredients

Water, Lrp Thermal Water, Glycerin, Coco-Betaine, Propanediol, Sodium Cocoyl Glycinate, Peg-120 Methyl Glucose Dioleate, Sodium Hydroxide, Sodium Chloride, Citric Acid, Gluconolactone, Ceramide Np, Niacinamide, 2-Mercaptonicotinoyl Glycine, Sodium Thiosulfate, Disodium Edta, Capryloyl Glycine, Caprylyl Glycol, Trisodium Ethylenediamine Disuccinate, Pentylene Glycol, Ethylhexylglycerin, Acrylates Copolymer, Tocopherol, Tocopheryl Acetate, Ci 17200, Red 33, Parfum

Behind this fit score

Lovi calculates every fit score from the full ingredient list with brand-independent rules our dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update.