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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 skincare brands known for their gentle moisturizers, serums, cleansers, and masks. COSRX is beloved for its thoughtful array of products incorporating hyaluronic acid, glycerin, and niacinamide, suiting oily and oily acne-prone skin best while expertly balancing delicate moisture levels. Meanwhile, the purest suits sensitive, dry, and combination skin best owing to its mild nature, while offering reliable daily support for acne-prone skin. While both brands earn praise through consistent performance, they differ in their key formulations and ideal skin types.

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 wider range of products on this page with superior and high Lovi fit levels across multiple skin types, whereas the purest features only one product with lower fit ratings for most skin types. Reviewers often mention COSRX for its lightweight absorption and deep hydration.

What is the difference between COSRX and the purest?

COSRX offers a wide range of products that fit oily, oily acne-prone, and combination skin best, whereas the purest features only one solution on this page, which has a high fit for sensitive skin.

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 oily and acne-prone skin. Reviewers often mention that COSRX products provide deep hydration and lightweight absorption without heavy residue.

Which is more affordable, COSRX or the purest?

The provided page facts do not contain pricing information, so it is not possible to determine which brand is more affordable.

Which causes fewer breakouts, COSRX or the purest?

COSRX is better suited for acne control, as the products on this page fit oily acne-prone skin and acne-prone skin at high or superior levels across multiple items, whereas the purest solutions product has a low fit for acne-prone skin.

Between COSRX and the purest, which brand offers a wider range of products for dry skin?

COSRX offers a much wider range of products for dry skin, featuring multiple moisturizers, cleansers, and masks that achieve superior or high Lovi fit levels for dry skin. In contrast, the purest lists only a single product on this page, which has an average fit level for dry skin.

How do the founding years and company origins of COSRX and the purest compare?

COSRX was founded in 2013 in South Korea, whereas the purest was established in 2020 with its origin not specified on the page.

Which of the two brands has a higher percentage of fragrance-free products?

COSRX has a higher percentage of fragrance-free products, as 37 of its 38 products on this page list no fragrance. In contrast, the purest lists fragrance in all 1 of its products on this page.

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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