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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 their gentle moisturizers, targeted serums, soothing toners, and gentle eye products that rely on dependable ingredients like glycerin and squalane. Kiehl's is an American brand founded in 1851 and owned by L'Oréal S.A. since 2000, featuring standout items such as the Calendula Herbal-Extract Toner for acne-prone skin, the Calendula Deep Cleansing Foaming Face Wash for skin with dark spots, and the Ultra Facial Toner for mature skin. Both options suit sensitive skin best, while the first brand additionally suits mature skin and the second brand suits dry and combination skin as well, offering reliable daily support for acne-prone skin through consistent, understated performance. They differ in their heritage and precise formulations, wherein glycerin significantly increases hydration and restores epidermal barrier function and squalane counteracts oxidative stress and stimulates 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

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 selection of products on this page compared to the purest, with high to superior Lovi fit levels for sensitive, mature, and spot-prone skin. Reviewers often mention its lightweight moisturizers and deep hydration, though some users note potential breakouts and irritation.

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

Kiehl's offers a wide range of twenty-eight products on this page fitting mature and sensitive skin well, whereas the purest features only one solution. Kiehl's mostly features fragrance-free options and specialized routines, while the purest lists a scented moisturizer.

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

Kiehl's offers a much wider selection of moisturizers than the purest, with options like its Ultra Facial Cream showing average to high Lovi fit levels across multiple skin types compared to just one solution from the purest. Reviewers often mention that Kiehl's provides deep hydration with lightweight, non-greasy formulas.

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

Reviewers on the page often mention that Kiehl's has a high price point, while the page does not provide pricing information for the purest.

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

The products on this page by Kiehl's may cause breakouts and skin irritation, while the purest features only one moisturizer with a low fit level for acne-prone skin.

Between Kiehl's and The Purest, which brand offers fragrance-free product options?

Kiehl's offers fragrance-free product options, as 26 of the 28 products on this page list no fragrance. In contrast, the products on this page from the purest contain fragrance.

How do the founding years and corporate ownership of Kiehl's and The Purest compare?

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 more recently in 2020 and is owned by Evly Pharma Cosmetics.

Which brand provides a wider variety of products tailored for dry skin and other skin types?

Kiehl's provides a much wider variety of products on this page tailored for dry skin and other skin types, whereas the purest 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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