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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 recognized for distinct formulations tailored to varied complexions. The American brand, founded in 1851 and owned by L'Oréal S.A. since 2000, offers nourishing moisturizers, targeted serums, soothing toners, and revitalizing eye products utilizing glycerin and squalane, which suit mature and combination skin best by retaining moisture, supporting the barrier, increasing hydration, and counteracting oxidative stress, alongside specific options like the Calendula Herbal-Extract Toner for acne-prone skin, the Calendula Deep Cleansing Foaming Face Wash for dark spots, and the Ultra Facial Toner for mature skin. Conversely, the purest is deeply cherished for its gentle moisturizers and thoughtfully composed formulas that suit sensitive, dry, and combination skin best while offering reliable daily support for acne-prone skin. Ultimately, the two differ as Kiehl's relies on scientifically backed active ingredients for targeted restorative care, whereas both brands earn praise through consistent, understated performance.

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 broader selection of products on this page across multiple skin types compared to the purest, which features only a single solution.

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

Kiehl's offers a wide range of twenty-eight products that frequently feature key ingredients like glycerin and Vitamin C, whereas the purest is a much newer brand with only one product listed on this page. Kiehl's achieves a High or Superior fit for mature skin, combination skin, and skin with dark spots across many items, while the purest lists a High fit primarily for sensitive skin on its single solutions moisturizer.

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. Reviewers frequently mention that Kiehl's provides lightweight, non-greasy moisturizers and deep hydration.

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

The products on this page for Kiehl's and the purest do not provide pricing information to determine which brand is more affordable.

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

Reviewers note that Kiehl's products frequently cause breakouts and skin irritation, while the purest has too few products on this page to judge. The products on this page for Kiehl's show mixed acne-prone skin fit levels ranging from Caution to High.

Which of the two brands offers products containing fragrance, Kiehl's or the purest?

Both Kiehl's and the purest offer products containing fragrance, as the purest includes it in its solutions moisturizer and Kiehl's includes it in select items like the Age Defender Moisturizer and Facial Fuel Energizing Moisture Treatment for Men.

When was each brand founded and who owns them?

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

How does the Lovi fit level for dry skin compare between Kiehl's Hydro-Plumping Serum Concentrate and the purest solutions moisturizer?

For dry skin, Lovi rates Kiehl's Hydro-Plumping Serum Concentrate as Superior, while the purest solutions moisturizer is rated Average.

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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