Bayer vs Bio-Oil

Questions and answers

Research behind their key ingredients

• 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 · 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

• 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

• 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

• Comedogenicity in rabbit: some cosmetic ingredients/vehicles

  Isopropyl myristate · Cutaneous and Ocular Toxicology, 2007

• Influence of vitamin E acetate on stratum corneum hydration

  Tocopheryl acetate vitamin e · Arzneimittel-Forschung, 1998

• The effect of a vitamin A palmitate and antioxidant-containing oil-based moisturizer on photodamaged skin of several body sites

  Retinyl palmitate vitamin a · Journal of Cosmetic Dermatology, 2013

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.