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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 brands that offer distinct approaches to daily care. Kiehl's is widely loved for its thoughtful array of moisturizers, serums, toners, eye products, and more, all anchored by nourishing ingredients like glycerin and squalane, whereas the second brand is loved for its nourishing masks and delicate formulas. The American line suits skin with dark spots and dry skin best, while its counterpart suits dry, oily, and combination skin best. They differ primarily in their specific target concerns and ingredient focuses, with the first brand addressing hydration through scientifically backed compounds and the latter caring for the complexion 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 broader range of products on this page with higher fit levels across most skin types compared to SEYOUL, which only features a single mask with limited suitability. Reviewers often mention that Kiehl's provides lightweight, non-greasy moisturizers and deep hydration.

What is the difference between Kiehl's and SEYOUL?

Kiehl's is an established American brand owned by L'Oreal with a large selection of skincare products on this page, whereas SEYOUL is a newer brand founded in 2022 and owned by Thanh Vinh Holdings with just one product listed. Kiehl's offers targeted routines for various skin types and concerns, while SEYOUL features a single collagen night wrapping mask.

Which is more affordable, Kiehl's or SEYOUL?

The page facts do not mention pricing information for SEYOUL, while reviewers on the Kiehl's page often note a high price point.

Which causes fewer breakouts, Kiehl's or SEYOUL?

SEYOUL has only one product on this page, while reviewers often note that Kiehl's products may cause breakouts and skin irritation.

Which brand has been around longer and is owned by L'Oréal, Kiehl's or SEYOUL?

Kiehl's has been around longer since its founding in 1851 in the United States, whereas SEYOUL was founded in 2022. Additionally, Kiehl's is owned by L'Oréal S.A., while SEYOUL is owned by Thành Vinh Holdings.

How many products from Kiehl's contain fragrance compared to SEYOUL?

Among the products on this page, 2 of 28 Kiehl's products list fragrance, while every SEYOUL product lists no fragrance.

Which Kiehl's product achieves a superior Lovi fit level for dry skin?

According to Lovi, the Hydro-Plumping Serum Concentrate achieves a Superior fit level for dry skin among the products on this page.

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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