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Kiehl's vs Bio-Oil

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

Kiehl's and Bio-Oil are two distinct skincare lines offering targeted care for various complexions. The American brand is loved for its nourishing moisturizers, targeted serums, soothing toners, and gentle eye products formulated with glycerin and squalane, while the other is beloved for its specialized product types and expertly blended formulas that nourish the skin. Both suit dry skin and mature skin best, though the former features specific offerings like 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, whereas the latter stands out with its Skincare Oil for daily hydration and texture improvement on acne-prone skin. Ultimately, they differ through their specific ingredient profiles and designated formulations, allowing each to address unique moisture and barrier needs.

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

Popular Kiehl's vs Bio-Oil products

Questions and answers

Kiehl's or Bio-Oil: which is better?

Kiehl's generally fits a wider variety of skin types than Bio-Oil, offering high ratings for dry, mature, and oily acne-prone skin across the products on this page. By contrast, Bio-Oil's single skincare oil shows lower compatibility, with average to warning fit levels for most skin types.

What is the difference between Kiehl's and Bio-Oil?

Kiehl's offers a wide range of products on this page with High or Superior Lovi fit levels for dry, mature, and oily acne-prone skin, whereas Bio-Oil features only a single skincare oil that has Average or lower fit levels for those skin types. Kiehl's products on this page mostly list no fragrance, while Bio-Oil's single product contains fragrance.

Which is more affordable, Kiehl's or Bio-Oil?

Reviewers on this page often mention that Kiehl's has a high price point, but affordability details for Bio-Oil are not available here.

Which causes fewer breakouts, Kiehl's or Bio-Oil?

Kiehl's offers a wide range of products on this page with varying breakout risks, whereas Bio-Oil's Skincare Oil may cause breakouts and carries a Caution or Warning level for acne-prone skin.

How many products from each brand contain fragrance?

Among the products on this page, 2 of 28 Kiehl's products contain fragrance, while 1 of 1 Bio-Oil products contains fragrance.

Which brand offers a wider variety of product types such as cleansers, toners, and masks?

Kiehl's offers a wider variety of product types on this page, including multiple cleansers, toners, and masks, whereas Bio-Oil features only a single skincare oil.

What are the specific skin types that Kiehl's brand-focused routines fit best compared to Bio-Oil?

Kiehl's brand-focused routines fit dry skin, mature skin, and oily acne-prone skin best, whereas Bio-Oil has no listed skin types that its routines fit best. Kiehl's features a wide range of products with High and Superior Lovi fit levels for these skin types, while Bio-Oil's single product on this page shows Average or lower fit across skin types.

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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