Bayer vs Aēsop

Questions and answers

Research behind their key ingredients

• The effect of niacinamide on reducing cutaneous pigmentation and suppression of melanosome transfer

  Niacinamide · The British Journal of Dermatology, 2002

• Mechanistic Basis and Clinical Evidence for the Applications of Nicotinamide (Niacinamide) to Control Skin Aging and Pigmentation

  Niacinamide · Antioxidants, 2021

• Topical use of dexpanthenol in skin disorders

  Panthenol · American Journal of Clinical Dermatology, 2002

• The Effect of Aloe Vera Clinical Trials on Prevention and Healing of Skin Wound: A Systematic Review

  Aloe barbadensis leaf juice · Iranian Journal of Medical Sciences, 2019

• Lactate triggers KAT8-mediated LTBP1 lactylation at lysine 752 to promote skin rejuvenation by inducing collagen synthesis in fibroblasts

  Lactic acid · International Journal of Biological Macromolecules, 2024

• Effect of Camellia japonica oil on human type I procollagen production and skin barrier function

  Camellia japonica seed oil · Journal of Ethnopharmacology, 2007

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

  Azelaic acid · Pharmaceutics, 2021

• Green tea extract reduces induction of p53 and apoptosis in UVB-irradiated human skin independent of transcriptional controls

  Camellia sinensis leaf extract · Experimental Dermatology, 2009

• 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

• Poly-L-Lactic acid increases collagen gene expression and synthesis in cultured dermal fibroblast (Hs68) through the TGF-β/Smad pathway

  Lactic acid · Journal of Cosmetic Dermatology, 2023

• Application of Standardized Rosa damascena Stem Cell-Derived Exosomes in Dermatological Wound Healing and Scar Management: A Retrospective Case-Series Study with Long-Term Outcome Assessment

  Damascan rose · Pharmaceutics, 2025

• 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

• High molecular compounds (polysaccharides and proanthocyanidins) from Hamamelis virginiana bark: influence on human skin keratinocyte proliferation and differentiation and influence on irritated skin

  Witch hazel water · Phytochemistry, 2001

• Fatty acids based α-Tocopherol loaded nanostructured lipid carrier gel: In vitro and in vivo evaluation for moisturizing and anti-aging effects

  Vitamin e · Journal of Cosmetic Dermatology, 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

• Subclinical, non-erythematous irritation with an open assay model (washing): sodium lauryl sulfate (SLS) versus sodium laureth sulfate (SLES)

  Sodium laureth sulfate · Food and Chemical Toxicology, 2001

• Stretchable skin hydrating PVB patches with controlled pores' size and shape for deliberate evening primrose oil spreading, transport and release

  Oenothera biennis oil · Biomaterials Advances, 2022

• Development of stable tocopherol succinate-loaded ethosomes to enhance transdermal permeation: In vitro and in vivo characterizations

  Vitamin e · Journal of Cosmetic Dermatology, 2022

• Efficacy of cosmetic formulations containing dispersion of liposome with magnesium ascorbyl phosphate, alpha-lipoic acid and kinetin

  Magnesium ascorbyl phosphate · Photochemistry and Photobiology, 2012

• 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

• Effect of seasonal and geographical differences on skin and effect of treatment with an osmoprotectant: Sorbitol

  Sorbitol · Journal of Cosmetic Science, 2013

• Design and in vivo evaluation of emulgel formulations including green tea extract and rose oil

  Rosa damascena oil flower, Damascan rose · Acta Pharmaceutica, 2013

• Highly efficient and compatible shampoo for use after hair transplant

  Chamomilla recutita oil flower matricaria oil flower · Clinical, Cosmetic and Investigational Dermatology, 2015

• Tocopherol succinate-loaded ethosomal gel synthesized by cold method technique: Deeper biophysical characterizations for translational application on human skin

  Vitamin e · Journal of Cosmetic Dermatology, 2024

• 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

• Evaulation of irritation potential of surfactant mixtures

  Sodium laureth sulfate · International Journal of Cosmetic Science, 1999

• Evolution of lipid composition in skin treated with blackcurrant seed oil

  Ribes nigrum seed oil · International Journal of Cosmetic Science, 1988

• Impact of dermal emulsions containing diacyl phospholipids, mono acyl phospholipids, sodium lauryl ether sulfate and polysorbate 80 in combination with UVA irradiation on human skin physiology in vivo: A pilot study

  Sodium laureth sulfate · International Journal of Pharmaceutics, 2026

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.