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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 esteemed skincare lines that offer specialized solutions for daily regimens. The American brand, founded in 1851, is known for its nourishing moisturizers, targeted serums, soothing toners, and gentle eye products featuring glycerin and squalane, making it best suited for dry and mature skin. Meanwhile, the Spanish brand, founded in 1975, is revered for advanced formulas and targeted eye treatments that gently support mature, dry, and sensitive skin. While both collections nurture the complexion, the former emphasizes barrier resilience through hydration and antioxidant care, whereas the latter focuses on delivering a visibly rested, smooth, and balanced finish.

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 selection of products on this page across multiple categories like cleansers, toners, serums, and moisturizers, whereas ISDIN Isdinceutics features only a single eye product. Lovi rates Kiehl's as a High or Superior fit for several skin types depending on the specific product, while ISDIN Isdinceutics is mostly rated as High or Average for its sole item.

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

Kiehl's offers a wide selection of skincare products on this page across multiple categories like cleansers, moisturizers, serums, and sunscreens, whereas ISDIN Isdinceutics features only a single eye product called K-Ox Eyes. Reviewers of Kiehl's often mention lightweight, non-greasy moisturizers and deep hydration, while noting occasional breakouts or a high price point.

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

Reviews on the Lovi page for Kiehl's note a high price point as a common drawback, but there is not enough pricing data on the page to compare its affordability directly with ISDIN Isdinceutics.

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

When comparing the products on this page, ISDIN Isdinceutics lists only one item, while reviewers often note that Kiehl's causes breakouts and skin irritation.

How does the founding year and country 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 options differ?

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

What are some of the key ingredients found across Kiehl's products, and how do reviewers describe their pros and cons?

Key ingredients found across Kiehl's products include glycerin, vitamin C, squalane, shea butter, and vitamin E. Reviewers mostly mention lightweight, non-greasy moisturizers and gentle serums, and often note deep hydration, but frequently report a high price point and that the products may cause breakouts and skin irritation.

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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