Geek & Gorgeous vs Bayer

Questions and answers

Research behind their key ingredients

• Topical use of dexpanthenol in skin disorders

  Panthenol · American Journal of Clinical Dermatology, 2002

• A topical antioxidant solution containing vitamins C and E stabilized by ferulic acid provides protection for human skin against damage caused by ultraviolet irradiation

  Ferulic acid · Journal of the American Academy of Dermatology, 2008

• Anti-aging and brightening effects of a topical treatment containing vitamin C, vitamin E, and raspberry leaf cell culture extract: A split-face, randomized controlled trial

  Tocopherol vitamin e · Journal of Cosmetic Dermatology, 2020

• Protective effects of a topical antioxidant mixture containing vitamin C, ferulic acid, and phloretin against ultraviolet-induced photodamage in human skin

  Ferulic acid · Journal of Cosmetic Dermatology, 2008

• Urea: a comprehensive review of the clinical literature

  Urea · Dermatology Online Journal, 2013

• Effects of Locally Applied Glycerol and Xylitol on the Hydration, Barrier Function and Morphological Parameters of the Skin

  Xylitylglucoside · Acta Dermato-venereologica, 2017

• Effect of a topical antioxidant serum containing vitamin C, vitamin E, and ferulic acid after Q-switched 1064-nm Nd:YAG laser for treatment of environment-induced skin pigmentation

  Tocopherol vitamin e · Journal of Cosmetic Dermatology, 2020

• Efficacy and Safety of Azelaic Acid Nanocrystal-Loaded In Situ Hydrogel in the Treatment of Acne Vulgaris

  Azelaic acid · Pharmaceutics, 2021

• 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

• A new topical panthenol-containing emollient: Results from two randomized controlled studies assessing its skin moisturization and barrier restoration potential, and the effect on skin microflora

  Panthenol · The Journal of Dermatological Treatment, 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

• Efficacy of a topical gel containing chitosan, chlorhexidine, allantoin and dexpanthenol for pain and inflammation control after third molar surgery: A randomized and placebo-controlled clinical trial

  Allantoin, Panthenol · Medicina Oral, Patologia Oral Y Cirugia Bucal, 2020

• Effects of 15% Azelaic Acid Gel in the Management of Post-Inflammatory Erythema and Post-Inflammatory Hyperpigmentation in Acne Vulgaris

  Azelaic acid · Dermatology and Therapy, 2024

• Effects of 1,3-propanediol associated, or not, with butylene glycol and/or glycerol on skin hydration and skin barrier function

  Propanediol · International Journal of Cosmetic Science, 2024

• Efficacy and Tolerability of Topical Nicotinamide Plus Antibacterial Adhesive Agents and Zinc-Pyrrolidone Carboxylic Acid Versus Placebo as an Adjuvant Treatment for Moderate Acne Vulgaris in Indonesia: A Multicenter, Double-blind, Randomized, Controlled Trial

  Zinc pca · The Journal of Clinical and Aesthetic Dermatology, 2020

• The usefulness of a dermocosmetic containing Myrtus communis extract and azelaic acid for maintenance phase of adult female acne: Results from a randomized exploratory investigator-blinded comparative study

  Azelaic acid · Journal of the European Academy of Dermatology and Venereology, 2023

• Efficacy of octenidine dihydrochloride and 2-phenoxyethanol in the topical treatment of inflammatory acne

  Phenoxyethanol · Acta Dermatovenerologica Alpina, Pannonica, Et Adriatica, 2008

• Fractional microneedle radiofrequency with the application of vitamin C, E, and ferulic acid serum for neck skin rejuvenation: a prospective, double-blinded, split-neck, placebo-controlled trial

  Ferulic acid · The Journal of Dermatological Treatment, 2025

• Influence of vitamin E acetate on stratum corneum hydration

  Tocopheryl acetate · Arzneimittel-Forschung, 1998

• Evaluation of the Efficacy and Safety of a Panthenol-Enriched Mask for Skin Barrier Recovery After Facial Laser Treatment: Results of a Double-Blind Randomized Controlled Study

  Panthenol · Journal of Cosmetic Dermatology, 2025

• Propanediol (and) Caprylic Acid (and) Xylitol as a New Single Topical Active Ingredient against Acne: In Vitro and In Vivo Efficacy Assays

  Xylitylglucoside, Propanediol · Molecules, 2021

• Effect of an Emollient Emulsion Containing 15.0% of Caprylic/Capric Triglyceride on the Urocanic Acid of the Stratum Corneum

  Caprylic capric triglyceride · Life, 2023

• Nanostructured Lipid Carrier Based Gel Containing α-Tocopherol and α-Tocopheryl Acetate for Synergistic Cutaneous Antiaging Efficacy

  Tocopheryl acetate · Scientific Reports, 2025

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.