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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 two established skincare brands that offer a thoughtful range of everyday essentials. Kiehl's is beloved for its nourishing moisturizers, serums, toners, and eye products that incorporate glycerin and squalane, suiting combination skin and dark spots best. Meanwhile, the Spanish brand is revered for its targeted eye products and advanced formulas that suit mature, dry, and sensitive skin best. While both brands address specific complexion needs through effective compositions, they differ in their foundational heritage and primary active ingredients.

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 broader selection of skincare products on this page across multiple categories, whereas ISDIN Isdinceutics only lists a single eye product. Reviewers note that Kiehl's provides lightweight moisturizers and gentle serums, though some users mention a high price point and potential irritation.

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

Kiehl's offers a wide range of skincare products on this page covering cleansers, toners, serums, and moisturizers that fit best for skin with dark spots, combination skin, and mature skin. In contrast, ISDIN Isdinceutics currently features only a single eye product on this page called K-Ox Eyes, which rates a High fit for dry, sensitive, and mature skin.

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

The page does not provide pricing information to determine whether Kiehl's or ISDIN Isdinceutics is more affordable.

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

ISDIN Isdinceutics is listed with only one eye product on this page, whereas reviewers of the products on this page for Kiehl's note that the brand's formulas may sometimes cause 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.

Which brand offers a wider variety of skincare products on this page, and how do their fragrance inclusions differ?

Kiehl's offers a much wider variety of skincare products on this page with twenty-eight items, whereas ISDIN Isdinceutics features only one. Regarding fragrance inclusions, twenty-six of Kiehl's twenty-eight products list no fragrance while two contain it, whereas the single ISDIN Isdinceutics product includes fragrance.

What are the main skin types that Kiehl's fits best according to its brand-focused routines?

According to its brand-focused routines, the products on this page for Kiehl's fit skin with dark spots, combination skin, and mature 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

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