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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 celebrated skincare lines known for their thoughtful array of serums, moisturizers, cleansers, masks, and gentle formulas. The first brand relies on key ingredients like hyaluronic acid, glycerin, and niacinamide, and suits oily skin and sensitive skin best through formulations that balance moisture and soothe irritation. Meanwhile, the purest suits sensitive, dry, and combination skin best owing to a mild nature that offers reliable daily support for acne-prone skin. They differ primarily in their exact product types and targeted skin compatibility, while both continue to earn praise through consistent 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 generally better for shoppers as the products on this page offer a wide variety of high-performing options across multiple skin types, whereas the purest only lists a single solution with lower fit levels for most skin categories.

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 are largely fragrance-free, while the purest lists 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 solutions moisturizer with lower fit levels for dry and sensitive skin. Reviewers often mention that COSRX products provide deep hydration and lightweight absorption.

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 offers a wide range of products with superior or high Lovi fit levels for acne-prone skin, whereas the purest features products with low fit levels for acne-prone skin. Therefore, COSRX helps much more with effective acne control and clearing.

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

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

Which brand offers a greater variety of products for different skin types, COSRX or the purest?

COSRX offers a much greater variety of products on this page across multiple skin types, while the purest lists only a single product. Reviewers often mention that COSRX products provide deep hydration and gentle care.

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

COSRX offers almost entirely fragrance-free options, with 37 out of 38 products listing no fragrance. In contrast, the purest product on this page includes fragrance.

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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