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Kiehl's vs ISDIN Isdinceutics

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

Kiehl's and ISDIN Isdinceutics are distinct skincare houses originating from America and Spain, respectively. Kiehl's is beloved for its moisturizers, serums, toners, and eye products featuring glycerin and squalane, while the brand is revered for targeted eye products and advanced formulas. Both suits dry and sensitive skin best, though the American brand also addresses acne-prone skin, mature skin, and dark spots through standouts like the Calendula Herbal-Extract Toner, the Calendula Deep Cleansing Foaming Face Wash, and the Ultra Facial Toner, whereas the Spanish brand offers the standout K-Ox Eyes for dark circles, puffiness, and acne-prone skin. Ultimately, they differ through their foundational histories, regional origins, and specific ingredient mechanisms designed to increase hydration, restore the epidermal barrier, counteract oxidative stress, and stimulate fibroblast migration.

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

loreal.comen.wikipedia.org

ISDIN Isdinceutics is a Spanish skincare brand founded in 1975 and owned by Puig since 2027.

puig.com

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

Popular Kiehl's vs ISDIN Isdinceutics products

Questions and answers

Kiehl's or ISDIN Isdinceutics: which is better?

Kiehl's offers a much wider variety of products on this page compared to ISDIN Isdinceutics. For dry skin, the products on this page have a fit level of High with Kiehl's.

What is the difference between Kiehl's and ISDIN Isdinceutics?

Kiehl's offers a wide range of products across multiple categories with varied Lovi fit levels for different skin types, whereas ISDIN Isdinceutics currently features only one product on this page, K-Ox Eyes. Reviewers note that Kiehl's provides lightweight moisturizers and deep hydration, though some mention a high price point and occasional skin irritation. Meanwhile, K-Ox Eyes from ISDIN Isdinceutics lists fragrance and has High Lovi fit levels for dry, sensitive, and mature skin.

Which is more affordable, Kiehl's or ISDIN Isdinceutics?

The products on this page do not list pricing information, so a comparison of affordability cannot be made between Kiehl's and ISDIN Isdinceutics.

Which causes fewer breakouts, Kiehl's or ISDIN Isdinceutics?

When comparing the products on this page, ISDIN Isdinceutics only lists a single eye product, making a comparison on breakouts difficult, whereas Kiehl's reviewers sometimes note breakouts and skin irritation.

How do the founding years and countries of origin compare between Kiehl's and ISDIN Isdinceutics?

Kiehl's was founded in 1851 in the United States, whereas ISDIN Isdinceutics was founded in 1975 in Spain. Both brands differ significantly in their geographic origins and historical backgrounds.

Which brand offers more fragrance-free products based on the page listings?

Kiehl's offers more fragrance-free options, as 26 of the 28 products on this page list no fragrance. In contrast, all products listed for ISDIN Isdinceutics on this page contain fragrance.

How many products are listed for Kiehl's compared to ISDIN Isdinceutics on the page?

Kiehl's has twenty-eight products listed on this page, whereas ISDIN Isdinceutics features only one product.

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

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