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Kiehl's vs SEYOUL

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

Kiehl's and SEYOUL are two distinct skincare lines offering targeted preparations for daily routines. Kiehl's is cherished for its thoughtful array of moisturizers, serums, toners, and eye products anchored by nourishing glycerin and squalane, while SEYOUL is loved for its nourishing masks and delicate formulas. The American brand suits skin with dark spots and mature skin best, whereas the other suits dry, oily, and combination skin best. They differ primarily in their core ingredient profiles and the specific complexion concerns they address with quiet precision.

Kiehl's is an American skincare brand founded in 1851 and owned by L'Oréal S.A. since 2000.

loreal.comen.wikipedia.org

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

Popular Kiehl's vs SEYOUL products

Questions and answers

Kiehl's or SEYOUL: which is better?

Kiehl's offers a much wider selection of products on this page compared to SEYOUL, featuring numerous options that Lovi rates as High or Superior for various skin types. Reviewers often mention that Kiehl's provides lightweight moisturizers and deep hydration, though some note a high price point and potential for breakouts.

What is the difference between Kiehl's and SEYOUL?

Kiehl's offers a wide range of products on this page suited for skin with dark spots, mature skin, and dry skin, whereas SEYOUL lists only a single mask. Reviewers often mention that Kiehl's provides lightweight, non-greasy moisturizers and gentle serums, though some note a high price point and breakouts.

Which is more affordable, Kiehl's or SEYOUL?

Reviews on this page often mention that Kiehl's has a high price point. SEYOUL has no pricing information available on this page, so a direct price comparison cannot be made.

Which causes fewer breakouts, Kiehl's or SEYOUL?

SEYOUL has only one product on this page, which carries a Caution fit level for acne-prone skin, whereas Kiehl's features several items that Lovi rates as High for this skin type. However, reviewers often mention that Kiehl's products may cause breakouts and skin irritation.

When was Kiehl's founded compared to SEYOUL?

Kiehl's was founded in 1851 in the United States, whereas SEYOUL was founded in 2022.

How many products from Kiehl's contain fragrance versus SEYOUL?

Kiehl's features 2 products on the products on this page that list fragrance, while SEYOUL has none.

Which skin types does Kiehl's fit best according to its brand-focused routines?

According to its brand-focused routines, Kiehl's fits skin with dark spots, mature skin, and dry skin best.

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. Sofía Perea Pérez, MD, MSc

    Dr. Sofía Perea Pérez, 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?

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