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Bayer vs Principia

Rated by Lovi 路 Unbiased, science-based skincare AI trained on real user outcomes 路 How the Fit score works

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

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This page compares some of the most popular Bayer and Principia products; for every product of both brands, with a fit score for your own skin, use the Lovi app.

Popular Bayer vs Principia products

Questions and answers

Bayer or Principia: which is better?

Bayer is a better fit for oily and acne-prone skin, where Lovi rates its products High, compared to Principia's Average fit for those skin types.

Pharmaceutics, 2021

Which is more affordable, Bayer or Principia?

Neither Bayer nor Principia is more affordable because the page does not show prices for either brand.

Which causes fewer breakouts, Bayer or Principia?

Bayer stands out because its products on this page earn a High fit for acne-prone skin, whereas Principia reaches only a Low fit for that skin type. Azelaic acid helps manage acne-prone skin.

Pharmaceutics, 2021

When were Bayer and Principia founded and who owns them?

Bayer was founded in 1863 in Germany and is owned by Bayer AG, while Principia was founded in 2020 and is owned by Viziera Participacoes Ltda.

Do any of the Bayer or Principia products on this page contain fragrance?

No, every product on this page from both Bayer and Principia lists no fragrance in its ingredients.

Research behind their key ingredients

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.

  • Nadia Kapleva, MS

    Nadia Kapleva, MS

    Co-founder, Medical Director

    Cosmetic chemist, cosmetologist, aesthetic products developer

  • Alexey Shagraev, PhD

    Alexey Shagraev, PhD

    Co-founder, CEO and CTO

    PhD in computer science, 3x US patent holder, ex-Google, ex-Yandex

  • Dr. Sof铆a Perea P茅rez, MD, MSc

    Dr. Sof铆a Perea P茅rez, MD, MSc

    Medical Board

    Aesthetic medicine practitioner, MSc in Longevity and Anti-Aging Medicine

  • Aishani Shah, MD

    Aishani Shah, MD

    Medical Board

    Specialist dermatologist, MBBS, MD, IFAAD

  • Asya Zubkova, MS

    Asya Zubkova, MS

    Medical Board

    Cosmetic chemist, SCS, IFSCC member

  • Hanna Kurets, MD

    Hanna Kurets, MD

    Medical Board, Medical Advisor

    Dermatology MD

  • Elina Nazarenko, MD

    Elina Nazarenko, MD

    Medical Board

    Dermatology and diagnostic consultant

  • Victoria Derkova, MS

    Victoria Derkova, MS

    Medical Board

    Cosmetic chemist, cosmetic development technologist

How does it fit your skin?

Scan your face, then any product: Lovi shows how well it fits you and what fits even better.

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