REN Clean Skincare vs facefacts

Questions and answers

Research behind their key ingredients

• Benefits of topical hyaluronic acid for skin quality and signs of skin aging: From literature review to clinical evidence

  Sodium hyaluronate · Dermatologic Therapy, 2022

• Alteration of barrier properties, stratum corneum ceramides and microbiome composition in response to lotion application on cosmetic dry skin

  5 ceramides · Scientific Reports, 2022

• The 24-hour skin hydration and barrier function effects of a hyaluronic 1%, glycerin 5%, and Centella asiatica stem cells extract moisturizing fluid: an intra-subject, randomized, assessor-blinded study

  Glycerin · Clinical, Cosmetic and Investigational Dermatology, 2017

• Stable Ozonides with Vitamin E Acetate versus Corticosteroid in the Treatment of Lichen Sclerosus in Foreskin: Evaluation of Effects on Inflammation

  Tocopheryl acetate · Urologia Internationalis, 2019

• Double-blind, randomized, placebo-controlled study of a lotion containing triethyl citrate and ethyl linoleate in the treatment of acne vulgaris

  Triethyl citrate · The British Journal of Dermatology, 2007

• A Lipid Mixture Enriched by Ceramide NP with Fatty Acids of Diverse Chain Lengths Contributes to Restore the Skin Barrier Function Impaired by Topical Corticosteroid

  5 ceramides · Skin Pharmacology and Physiology, 2022

• Effect of a botanical cleansing lotion on skin sebum and erythema of the face: A randomized controlled blinded half-side comparison

  Salix nigra bark extract willow bark extract · Journal of Cosmetic Dermatology, 2019

• Anti-Inflammatory Effect of a Novel Topical Herbal Composition (VEL-091604) Consisting of Gentian Root, Licorice Root and Willow Bark Extract

  Salix nigra bark extract willow bark extract · Planta Medica, 2019

• An evaluation of the effect of a topical product containing salicin on the visible signs of human skin aging

  Salix nigra bark extract willow bark extract · Journal of Cosmetic Dermatology, 2010

• Efficacy of ceramides and niacinamide-containing moisturizer versus hydrophilic cream in combination with topical anti-acne treatment in mild to moderate acne vulgaris: A split face, double-blinded, randomized controlled trial

  5 ceramides · Journal of Cosmetic Dermatology, 2024

• The impacts of sodium lauroyl sarcosinate in facial cleanser on facial skin microbiome and lipidome

  Sodium lauroyl sarcosinate · Journal of Cosmetic Dermatology, 2024

• Influence of vitamin E acetate on stratum corneum hydration

  Tocopheryl acetate · Arzneimittel-Forschung, 1998

• Safety assessment on comedogenicity of dermatological products containing d-alpha tocopheryl acetate in Asian subjects: A double-blind randomized controlled trial

  Tocopheryl acetate · Contemporary Clinical Trials Communications, 2021

Behind this comparison

Lovi compares products by their fit scores, calculated 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.