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Kiehl's vs the purest

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

Kiehl's and the purest are skincare lines that offer thoughtful moisturizers, serums, toners, eye products, and gentle formulas. Kiehl's incorporates nourishing glycerin and squalane to significantly increase hydration, restore epidermal barrier function, counteract oxidative stress, and stimulate fibroblast migration, suiting skin with dark spots, combination skin, and mature skin best. Meanwhile, the purest suits sensitive, dry, and combination skin best owing to its mild nature, while both provide reliable daily support for acne-prone skin. The two brands differ in their specific formulations and targeted benefits, with the American brand featuring specialized options like the Calendula Herbal-Extract Toner and the Calendula Deep Cleansing Foaming Face Wash.

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 the purest products; for every product of both brands, with a fit score for your own skin, use the Lovi app.

Popular Kiehl's vs the purest products

Kiehl's vs the purest moisturizers

Questions and answers

Kiehl's or the purest: which is better?

Kiehl's offers a much wider variety of products on this page across multiple skin types compared to the purest, which features only a single solutions moisturizer. Reviewers note that Kiehl's provides lightweight moisturizers and gentle serums, though some users mention a high price point and potential breakouts.

What is the difference between Kiehl's and the purest?

Kiehl's offers a broad selection of twenty-eight products on this page tailored for various skin needs, whereas the purest features only one solutions moisturizer. Kiehl's fits best for skin with dark spots, combination skin, and mature skin.

Kiehl's or the purest: which moisturizer is better?

Kiehl's offers a much wider selection of moisturizers with higher Lovi fit levels across various skin types compared to the purest. For example, Kiehl's Hydro-Plumping Serum Concentrate achieves a Superior fit for dry skin, whereas the purest solutions moisturizer only achieves an Average fit for dry skin.

Which is more affordable, Kiehl's or the purest?

The page facts do not mention pricing or affordability for the purest, while reviewers often note that Kiehl's has a high price point.

Which causes fewer breakouts, Kiehl's or the purest?

The products on this page for the purest include only a single moisturizer which has low fit for acne-prone skin, while Kiehl's offers several items with high fit for acne-prone skin. However, reviewers note that Kiehl's may cause breakouts and skin irritation.

How does the founding year and parent company compare between Kiehl's and the purest?

Kiehl's was founded in 1851 in the United States and has been owned by L'Oréal S.A. since 2000, whereas the purest was founded in 2020 and is owned by Evly Pharma Cosmetics.

Which brand offers fragrance-free products, and how many products contain fragrance in each line?

Kiehl's offers fragrance-free products, featuring 26 fragrance-free formulas among the products on this page and 2 with fragrance. In contrast, the purest lists 1 product on this page, and it contains fragrance.

What are some of the key ingredients found across Kiehl's products?

Glycerin, vitamin C, squalane, shea butter, and vitamin E are key ingredients found across the products on this page for Kiehl's.

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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