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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 variety of products on this page compared to the purest, which features only a single solution. Kiehl's fits mature skin, sensitive skin, and skin with dark spots best, though reviewers often mention a high price point.

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

Kiehl's offers a wide range of skincare products across multiple categories with varied Lovi fit levels for different skin types, whereas the purest features only a single solutions moisturizer on this page with High fit for sensitive skin and Low fit for combination and oily skin types.

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

When comparing moisturizers, Kiehl's offers a much broader selection for different skin types on this page than the purest, with options like Hydro-Plumping Serum Concentrate achieving superior fit for dry skin. Reviewers often note that Kiehl's provides deep hydration and lightweight formulas, though some users mention a high price point.

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

Reviewers often note that Kiehl's has a high price point. The page facts do not provide pricing information for the purest.

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

Reviewers often note that Kiehl's causes breakouts and skin irritation. The products on this page for the purest do not provide enough user review data regarding breakouts.

Which brand has been established longer, Kiehl's or the purest?

Kiehl's has been established longer, having been founded in the United States in 1851.

How many products from Kiehl's contain fragrance compared to the purest?

Kiehl's has 2 products with fragrance out of the 28 products on this page, whereas the purest has 1 product with fragrance out of its 1 product.

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

Glycerin, vitamin C, squalane, shea butter, and vitamin E are the 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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