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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 distinct skincare lines known for addressing varied complexions with targeted ingredients. The Korean brand COSRX, founded in 2013 and owned by Amorepacific Group since 2024, offers thoughtfully formulated serums, moisturizers, cleansers, masks, and more that harness hyaluronic acid, glycerin, and niacinamide to suit acne-prone and oily acne-prone skin best through specific blemish solutions. Meanwhile, the purest is deeply cherished for its gentle moisturizers and thoughtfully composed formulas that suit sensitive, dry, and combination skin best while offering reliable daily support for acne-prone skin. While both earn praise through consistent performance, the former features standout choices like the Advanced Snail Mucin Gel Cleanser, the Full Fit Propolis Synergy Toner, and the Centella Water Alcohol-Free Toner, whereas the latter continues to earn praise through 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 stands out with a broad range of products that achieve High to Superior Lovi fit levels across multiple skin types, whereas the purest features only one product with mostly Average to Low ratings.

What is the difference between COSRX and the purest?

COSRX offers a wide range of products with superior or high Lovi fit levels for acne-prone, oily, and sensitive skin types, whereas the purest features only a single solution listed on this page. COSRX products are largely fragrance-free, while the purest lists fragrance in its product.

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 COSRX options frequently provide deep hydration and lightweight absorption without fragrance.

Which is more affordable, COSRX or the purest?

This page does not provide pricing or affordability information for either COSRX or the purest.

Which causes fewer breakouts, COSRX or the purest?

COSRX offers multiple products with a Superior Lovi fit for acne-prone and oily acne-prone skin, whereas the purest features only one product which has a Low fit for those skin types.

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 more fragrance-free skincare options?

COSRX offers significantly more fragrance-free options, with 37 out of 38 products on this page listing no fragrance. In contrast, the purest lists fragrance in its sole product on this page.

What are the most commonly mentioned positive and negative review points for COSRX?

Reviewers frequently mention lightweight absorption, deep hydration, and effective acne control as positive points for COSRX. On the negative side, users sometimes note a sticky residue, unpleasant scents, or small bottle sizes.

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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