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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 respected skincare lines that offer distinct paths to complexion care. The American heritage brand is known for nourishing moisturizers, targeted serums, soothing toners, and gentle eye products featuring glycerin and squalane, while the other brand is loved for nourishing masks and delicate formulas. Kiehl's suits dry and mature skin best, whereas its counterpart accommodates dry, oily, and combination skin. They differ primarily in their core ingredient profiles and the breadth of skin types they serve.

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.

What is the difference between Kiehl's and SEYOUL?

Kiehl's offers a wide range of twenty-eight skincare products featuring key ingredients like glycerin and vitamin C, whereas SEYOUL lists only one product on this page. Lovi rates Kiehl's as having high or superior fits for multiple skin types, while SEYOUL's single mask shows average to warning fit levels.

Which is more affordable, Kiehl's or SEYOUL?

Reviewers on this page often mention that Kiehl's has a high price point, while pricing information for SEYOUL is not available on this page.

Which causes fewer breakouts, Kiehl's or SEYOUL?

Reviewers frequently note that Kiehl's products may cause breakouts and skin irritation. SEYOUL has only one product listed on this page, and no breakouts are reported for it.

When was each brand founded and who owns them?

Kiehl's was founded in 1851 in the United States and has been owned by L'Oréal S.A. since 2000. SEYOUL was founded in 2022 and is owned by Thành Vinh Holdings.

How many products does each brand have listed on the page regarding fragrance-free options?

Kiehl's features 26 products on this page that list no fragrance, while SEYOUL has all of its 1 product listed without fragrance.

Which brand offers a wider variety of products tailored for dry skin and mature skin?

Kiehl's offers a much wider variety of products on this page tailored for dry skin and mature skin compared to SEYOUL, which features only a single mask. Kiehl's includes multiple items with High or Superior fit levels for these skin types.

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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