# Bayer vs DOT & KEY

Page: https://lovi.care/skincare/de/compare/bayer-vs-dot-and-key

The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for Germany.

Bayer is a German skincare brand founded in 1863 and owned by Bayer AG.

[en.wikipedia.org](https://en.wikipedia.org/wiki/Bayer) [de.wikipedia.org](https://de.wikipedia.org/wiki/Bayer_AG) [forbes.com](https://www.forbes.com/companies/bayer/) [prnewswire.com](https://www.prnewswire.com/news-releases/wellspring-consumer-healthcare-acquires-iconic-otc-skin-care-brands-from-bayer-301789173.html)

DOT & KEY is an Indian skincare brand founded in 2018 and owned by FSN E-Commerce Ventures Limited since 2021.

This page compares some of the most popular Bayer and DOT & KEY products; for every product of both brands, with a fit score for your own skin, [use the Lovi app](https://app.pora.ai/vqqJ/j1xj2b6o?af_sub2=compare&af_sub3=selection_note&af_sub4=pgc3bbdc6e4e).

### Popular Bayer vs DOT & KEY products

#### Bayer

- [Skinoren Cream 20%](https://lovi.care/skincare/de/p/bayer/skinoren-cream-20/for/oily-skin) — High fit

#### DOT & KEY

- [WATERMELON COOLING SUNSCREEN](https://lovi.care/skincare/de/p/dot-and-key/watermelon-cooling-sunscreen/for/combination-skin) — Average fit — [€17.00 at Amazon](https://www.amazon.de/dp/B0BQN2YWN5?tag=lovi-care-web-product05-21&linkCode=osi&th=1&psc=1)

## Questions and answers

### What is the difference between Bayer and DOT & KEY?

Bayer products on this page get a High fit for oily, acne-prone, sensitive, and combination skin, while DOT & KEY products on this page have an Average fit across all skin types.

### Which is more affordable, Bayer or DOT & KEY?

The provided page facts do not contain pricing information, so it is not possible to determine whether Bayer or DOT & KEY is more affordable based on this page.

### When and where were Bayer and DOT & KEY founded, and who owns them?

Bayer was founded in 1863 in Germany and is owned by Bayer AG, while DOT & KEY was founded in 2018 in India and is owned by FSN E-Commerce Ventures Limited.

### Do any of the products from Bayer or DOT & KEY listed on this page contain fragrance?

Every product from Bayer and DOT & KEY listed on this page lists no fragrance in its ingredients.

## Research behind their key ingredients

- [Skin delivery of epigallocatechin-3-gallate (EGCG) and hyaluronic acid loaded nano-transfersomes for antioxidant and anti-aging effects in UV radiation induced skin damage](https://pubmed.ncbi.nlm.nih.gov/28155509/) Hyaluronic acid · Drug Delivery, 2017
- [Benefits of topical hyaluronic acid for skin quality and signs of skin aging: From literature review to clinical evidence](https://pubmed.ncbi.nlm.nih.gov/36200921/) Hyaluronic acid · Dermatologic Therapy, 2022
- [Efficacy and Safety of Azelaic Acid Nanocrystal-Loaded In Situ Hydrogel in the Treatment of Acne Vulgaris](https://pubmed.ncbi.nlm.nih.gov/33923739/) 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](https://pubmed.ncbi.nlm.nih.gov/28860834/) 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](https://pubmed.ncbi.nlm.nih.gov/38734843/) 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](https://pubmed.ncbi.nlm.nih.gov/36729399/) Azelaic acid · Journal of the European Academy of Dermatology and Venereology, 2023
- [In vivo and in vitro evaluation of octyl methoxycinnamate liposomes](https://pubmed.ncbi.nlm.nih.gov/24376350/) Ethylhexyl methoxycinnamate · International Journal of Nanomedicine, 2013
- [Comparison of methods for assessing photoprotection against ultraviolet A in vivo](https://pubmed.ncbi.nlm.nih.gov/3819071/) Butyl methoxydibenzoylmethane · Journal of the American Academy of Dermatology, 1987
- [Mitigation of ultraviolet-induced erythema and inflammation by para-hydroxycinnamic acid in human skin](https://pubmed.ncbi.nlm.nih.gov/39138602/) Ethylhexyl methoxycinnamate · International Journal of Cosmetic Science, 2025
- [Facial disbiosis and UV filters](https://pubmed.ncbi.nlm.nih.gov/39499337/) Ethylhexyl methoxycinnamate · Archives of Dermatological Research, 2024
- [Retrospective Review of Dermal Safety Studies of Organic Sunscreens](https://pubmed.ncbi.nlm.nih.gov/40911743/) Ethylhexyl salicylate · Journal of Drugs in Dermatology, 2025

## The brands

- German skincare: [Bayer](https://lovi.care/skincare/de/brands/bayer)
- Indian skincare: [DOT & KEY](https://lovi.care/skincare/de/brands/dot-and-key)

## More comparisons

- [SKIN1004 vs Bayer](https://lovi.care/skincare/de/compare/skin1004-vs-bayer)
- [SKIN1004 vs DOT & KEY](https://lovi.care/skincare/de/compare/skin1004-vs-dot-and-key)
- [Anua vs Bayer](https://lovi.care/skincare/de/compare/anua-vs-bayer)
- [Anua vs DOT & KEY](https://lovi.care/skincare/de/compare/anua-vs-dot-and-key)
- [Medicube vs Bayer](https://lovi.care/skincare/de/compare/medicube-vs-bayer)
- [Medicube vs DOT & KEY](https://lovi.care/skincare/de/compare/medicube-vs-dot-and-key)
- [The Ordinary vs Bayer](https://lovi.care/skincare/de/compare/the-ordinary-vs-bayer)
- [The Ordinary vs DOT & KEY](https://lovi.care/skincare/de/compare/the-ordinary-vs-dot-and-key)
- [Beauty of Joseon vs Bayer](https://lovi.care/skincare/de/compare/beauty-of-joseon-vs-bayer)
- [Beauty of Joseon vs DOT & KEY](https://lovi.care/skincare/de/compare/beauty-of-joseon-vs-dot-and-key)
- [COSRX vs Bayer](https://lovi.care/skincare/de/compare/cosrx-vs-bayer)
- [COSRX vs DOT & KEY](https://lovi.care/skincare/de/compare/cosrx-vs-dot-and-key)
- [CeraVe vs Bayer](https://lovi.care/skincare/de/compare/cerave-vs-bayer)
- [CeraVe vs DOT & KEY](https://lovi.care/skincare/de/compare/cerave-vs-dot-and-key)
- [La Roche-Posay vs Bayer](https://lovi.care/skincare/de/compare/la-roche-posay-vs-bayer)
- [La Roche-Posay vs DOT & KEY](https://lovi.care/skincare/de/compare/la-roche-posay-vs-dot-and-key)
- [Dr. Althea vs Bayer](https://lovi.care/skincare/de/compare/dr-althea-vs-bayer)
- [Dr. Althea vs DOT & KEY](https://lovi.care/skincare/de/compare/dr-althea-vs-dot-and-key)
- [Some By Mi vs Bayer](https://lovi.care/skincare/de/compare/some-by-mi-vs-bayer)
- [Some By Mi vs DOT & KEY](https://lovi.care/skincare/de/compare/some-by-mi-vs-dot-and-key)

## About the Lovi Fit

Lovi: Unbiased, science-based skincare AI trained on real user outcomes.

Lovi compares products by their fit scores, calculated from the full ingredient list with brand-independent rules its 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. Levels from best to worst: Superior, High, Average, Low, Caution, Warning.

Behind this comparison: Nadia Kapleva, MS (Co-founder, Medical Director); Alexey Shagraev, PhD (Co-founder, CEO and CTO); Dr. Sofía Perea Pérez, MD, MSc (Medical Board); Aishani Shah, MD (Medical Board); Asya Zubkova, MS (Medical Board); Hanna Kurets, MD (Medical Board, Medical Advisor); Elina Nazarenko, MD (Medical Board); Victoria Derkova, MS (Medical Board).

Page built Nov 8, 2026.

More from Lovi: https://lovi.care/skincare/llms.txt

## This page in other countries

- United States: https://lovi.care/skincare/compare/bayer-vs-dot-and-key
- United Kingdom: https://lovi.care/skincare/uk/compare/bayer-vs-dot-and-key
- Ireland: https://lovi.care/skincare/ie/compare/bayer-vs-dot-and-key
- Germany: https://lovi.care/skincare/de/compare/bayer-vs-dot-and-key (this page)
- France: https://lovi.care/skincare/fr/compare/bayer-vs-dot-and-key
- Italy: https://lovi.care/skincare/it/compare/bayer-vs-dot-and-key
- Netherlands: https://lovi.care/skincare/nl/compare/bayer-vs-dot-and-key
- Spain: https://lovi.care/skincare/es/compare/bayer-vs-dot-and-key
- Canada: https://lovi.care/skincare/ca/compare/bayer-vs-dot-and-key
- Australia: https://lovi.care/skincare/au/compare/bayer-vs-dot-and-key
- Singapore: https://lovi.care/skincare/sg/compare/bayer-vs-dot-and-key
- Saudi Arabia: https://lovi.care/skincare/sa/compare/bayer-vs-dot-and-key
- United Arab Emirates: https://lovi.care/skincare/ae/compare/bayer-vs-dot-and-key
