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COSRX vs the purest

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

COSRX and the purest are two thoughtfully formulated skincare options designed to nurture reactive complexions. The Korean brand, founded in 2013 and owned by Amorepacific Group since 2024, is adored for its serums, moisturizers, cleansers, and masks featuring hyaluronic acid, glycerin, and niacinamide, while the purest is deeply cherished for its gentle moisturizers and mild, composed formulas. Both suit sensitive skin best, with the first brand also suiting acne-prone skin and the latter additionally suiting dry and combination skin, offering reliable daily support for acne-prone skin as well. They differ in their specific targeted formulations and active components, as the former relies on proven ingredients to address specific concerns like dark spots and aging while the brand continues to earn praise through consistent, understated performance.

COSRX is a Korean skincare brand founded in 2013 and owned by Amorepacific Group since 2024.

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This page compares some of the most popular COSRX and the purest products; for every product of both brands, with a fit score for your own skin, use the Lovi app.

Popular COSRX vs the purest products

COSRX vs the purest moisturizers

Questions and answers

COSRX or the purest: which is better?

COSRX is better suited for a wider variety of skin types, featuring thirty-eight products on this page compared to just one from the purest. The products on this page from COSRX frequently achieve a Superior Lovi fit level for acne-prone and sensitive skin.

What is the difference between COSRX and the purest?

COSRX offers a wide range of products with superior or high Lovi fit levels across multiple skin types, whereas the purest features only one product with limited skin type suitability. Additionally, the products on this page from COSRX generally list no fragrance, while the purest product includes fragrance.

COSRX or the purest: which moisturizer is better?

COSRX offers a wider range of moisturizers with Superior and High fit levels across most skin types, whereas the purest features only a single solution with mostly Average or Low fits. Reviewers of the products on this page often note that COSRX formulas provide deep hydration and moisturization with lightweight absorption.

Which is more affordable, COSRX or the purest?

The provided page facts do not contain pricing information for either COSRX or the purest, so it is not possible to determine which brand is more affordable.

Which causes fewer breakouts, COSRX or the purest?

COSRX features multiple products on this page with a Superior or High Lovi fit level for acne-prone skin, whereas the purest includes only one product, which has a Low fit level for acne-prone skin.

How do the founding dates and parent companies of COSRX and the purest compare?

COSRX was founded in 2013 in South Korea and has been owned by Amorepacific Group since 2024. In comparison, the purest was founded in 2020 and is owned by Evly Pharma Cosmetics.

Which brand offers a greater variety of products for acne-prone skin?

COSRX offers a much greater variety of products for acne-prone skin, with numerous items showing Superior or High Lovi fit levels for this skin type, whereas the products on this page for the purest show a Low fit for acne-prone skin. This wide selection helps shoppers target breakouts while maintaining hydration.

How do the fragrance options differ between COSRX and the purest?

COSRX offers mostly fragrance-free products on this page, with 37 of 38 listing no fragrance, whereas the purest includes fragrance in its only listed product. Reviewers sometimes note an unpleasant scent or smell as a drawback for COSRX.

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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