REN Clean Skincare Glycol Lactic Radiance Renewal Mask for acne-prone skin

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Questions and answers

What the research says

• 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

• A fixed combination of hydroxypinacolone retinoate, retinol glycospheres, and papain glycospheres in aqueous gel applied once daily for 12 weeks achieved a 41% mean reduction in GAGS score and a 40.8% mean reduction in total lesions, with 15.3% of patients experiencing mild to moderate local side effects, in 94 evaluable patients with comedonal-papular, mild to moderate acne of the face.

  Giornale Italiano Di Dermatologia E Venereologia, 2015

• Incorporating 1, 2, and 5 percent papain into starch- and carboxymethyl cellulose-based films preserved proteolytic and skin exfoliation activity while improving mechanical properties and water solubility compared to control films, with immobilized enzyme maintaining stability for up to 90 days.

  International Journal of Biological Macromolecules, 2023

• A topical serum containing vitamin C, vitamin E, and raspberry leaf cell culture extract improved skin color, elasticity, radiance, smoothness, scaliness, and wrinkles compared to the untreated contralateral side in fifty female volunteers.

  Journal of Cosmetic Dermatology, 2020

• Repeated short-contact 70% glycolic acid peels provided superior results in atrophic acne scars compared to daily low-strength glycolic acid cream or placebo in 58 women over 24 weeks.

  International Journal of Dermatology, 2000

• Serial glycolic acid peels combined with a modified Kligman formula significantly reduced facial PIH severity in Indian patients compared to the modified Kligman formula alone.

  Dermatologic Surgery, 2017

• Application of a cream containing lactic acid 12% and pramoxine HCl 1% significantly improved skin dryness, hydration, and itch compared with a nontreated control in 24 women with a history of dry itchy skin.

  Cutis, 2004

• Topical 12% ammonium lactate produced a significant sparing of epidermal and dermal atrophy induced by clobetasol propionate in human volunteers, without influencing the corticosteroid's bioavailability or antiinflammatory properties.

  Journal of the American Academy of Dermatology, 1992

• A lactic acid/ceramide lotion significantly improved skin moisturization and desquamation compared to no treatment in women with dry, rough skin on the anterior shins.

  The Journal of Clinical and Aesthetic Dermatology, 2020

• Topical papain treatment may slightly decrease pain within 30 minutes in humans stung by Chrysaora chinensis compared to placebo.

  Wilderness & Environmental Medicine, 2016

• Reflux extraction of Carica papaya leaves yielded higher antioxidant capacity and superior in vitro wound-healing activities including fibroblast proliferation, cell migration, and collagen synthesis in human skin fibroblasts compared to ultrasonic-assisted extraction and agitation.

  Molecules, 2020

• Carica papaya leaf extracts obtained via supercritical fluid and conventional methods demonstrated antioxidant and cytoprotective effects on skin fibroblasts against oxidative stress, driven by their respective lipophilic and hydrophilic constituents.

  Molecules, 2021

• Oral bromelain slightly reduced pain compared to controls (mean difference -0.27) and topical bromelain reduced time to complete debridement by 6.89 days, with no major health risks reported.

  Nutrition and Health, 2023

• An upcycled pineapple leaf fibre crosspolymer forms a physical barrier that protects against environmental aggressors while providing antioxidant, anti-inflammatory, antipollution, UV protection, hydration, and hair benefits.

  International Journal of Cosmetic Science, 2026

• A coaxial electrospun core-shell nanofiber scaffold delivering bromelain and salvianolic acid B demonstrated sustained drug release, in vitro endothelial cell migration, increased capillary formation in an in ovo assay, and in vivo efficacy for skin regeneration and wound healing.

  Biomedical Materials, 2017

• Grapeseed oil-loaded dermocosmetic nanoemulgel applied on the cheeks of healthy volunteers significantly reduced skin melanin, erythema, sebum production, and pores while increasing moisture and elasticity compared to a placebo.

  Journal of Cosmetic Dermatology, 2022

• Topical treatment with cranberry oil and grape oil improved wound healing in rats, with cranberry oil showing an 88.1% wound area reduction and grape oil showing 84.6% compared to 74.1% in controls and 78.4% in the mupirocin standard group on day 13.

  Phytotherapy Research, 2011

• An ionic liquid-based grapeseed oil emulsion increased transdermal penetration by 4.63-fold and improved skin hydration, firmness, elasticity, and facial wrinkles after 28 days of continuous use compared to ordinary emulsion.

  Pharmaceuticals, 2024

Ingredients

Water, Glycerin, Polysorbate 60, Lecithin, Lactic Acid, Vitis Vinifera Seed Oil Grape Seed Oil, Ribes Nigrum Seed Oil, Lemon Fruit Extract, Xanthan Gum, Cranberry Seed Oil, Maltodextrin, Sodium Lactate, Carica Papaya Fruit Extract, Pineapple Fruit Extract, Glyceryl Caprylate, Passiflora Edulis Fruit Extract, Vitis Vinifera Fruit Extract Grape Fruit Extract, Parfum, Citrus Nobilis Peel Oil Mandarin Orange Peel Oil, Grapefruit Peel Oil, Tangerine Peel Oil, Citrus Aurantium Dulcis Oil Flower, Alcohol Denat, Benzyl Alcohol, Phenoxyethanol, Potassium Sorbate, Tocopherol, Hippophae Rhamnoides Oil, Helianthus Annuus Seed Oil Sunflower Seed Oil, Rosmarinus Officinalis Leaf Extract Rosemary Leaf Extract, Sodium Bisulfite, Citral, Geraniol, Limonene, Linalool

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.