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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 trusted skincare lines recognized for their devoted followings and effective daily care. The Korean brand founded in 2013 and owned by Amorepacific Group since 2024 is dearly loved for its expertly formulated serums, moisturizers, cleansers, masks, and more, which thoughtfully incorporate hyaluronic acid, glycerin, and niacinamide, while the other is deeply cherished for its gentle moisturizers and thoughtfully composed formulas. Products from the first suit acne-prone skin and oily skin best because of these balancing, clarifying, and restorative components, whereas the solutions from the second suit sensitive, dry, and combination skin best, owing to their mild nature, while offering reliable daily support for acne-prone skin. Both differ as the first features standout products including the Advanced Snail Mucin Gel Cleanser for acne-prone skin, the Full Fit Propolis Synergy Toner for skin with dark spots, and the Centella Water Alcohol-Free Toner for mature skin, while the purest 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 offers a much broader range of products on this page with better fit levels across multiple skin types compared to the purest. Reviewers often mention its lightweight absorption and deep hydration.

What is the difference between COSRX and the purest?

COSRX offers thirty-eight products on this page featuring key ingredients like hyaluronic acid and niacinamide, whereas the purest features only one solution. COSRX has superior or high Lovi fit levels across multiple skin types, while the purest shows average or low fit levels for most skin types except sensitive skin.

COSRX or the purest: which moisturizer is better?

COSRX offers multiple moisturizers with Superior or High Lovi fit levels across diverse skin types, whereas the purest features just one solutions moisturizer with mixed results. The products on this page for COSRX are frequently noted for lightweight absorption and deep hydration.

Which is more affordable, COSRX or the purest?

The products on this page do not provide pricing information to determine which brand is more affordable.

Which causes fewer breakouts, COSRX or the purest?

COSRX fits acne-prone skin best with many products, whereas the purest has a low fit level for acne-prone skin.

How do the founding years and corporate ownership of COSRX and the purest compare?

COSRX was founded in South Korea in 2013 and is owned by Amorepacific Group, whereas the purest was founded in 2020 and is owned by Evly Pharma Cosmetics.

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

COSRX offers a much greater variety of products for acne-prone and oily skin types, with numerous options holding Superior and High Lovi fit levels for those skin conditions. In contrast, the purest lists only one moisturizer on this page, which is rated Low for acne-prone and oily skin.

How does the fragrance content differ across the product lines of COSRX and the purest?

COSRX offers far more fragrance-free options, as 37 of its 38 products on this page list no fragrance, whereas the purest includes fragrance in its single listed 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

How does it fit your skin?

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