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COSRX vs Sesderma

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

COSRX and Sesderma are esteemed skincare brands from South Korea and Spain that offer thoughtful serums, moisturizers, cleansers, masks, and meticulously engineered formulas. The Korean brand is adored for harnessing hyaluronic acid, glycerin, and niacinamide to suit acne-prone and oily acne-prone skin best through standout items like the Advanced Snail Mucin Gel Cleanser, the Full Fit Propolis Synergy Toner, and the Centella Water Alcohol-Free Toner. Meanwhile, the Spanish brand is beloved for advanced serums and active compounds that suit sensitive, hyperpigmented, and aging skin types best with standout products like the Azelac RU Serum. Both houses differ as COSRX focuses on targeted blemishes and barrier function, while Sesderma works synergistically to refine texture and promote a radiant complexion.

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

koreajoongangdaily.combeautymatter.comprnewswire.com

Sesderma is a Spanish skincare brand founded in 1989 and owned by Grupo Sesderma since 2026.

skinexpert.sesderma.comsesderma.com

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

Popular COSRX vs Sesderma products

COSRX vs Sesderma serums and treatments

Questions and answers

COSRX or Sesderma: which is better?

COSRX stands out with a much wider selection of fragrance-free products that earn Superior and High fit levels across multiple skin types, whereas Sesderma only features one fragranced serum on this page. Reviewers frequently highlight the lightweight absorption and deep hydration of COSRX formulas.

What is the difference between COSRX and Sesderma?

COSRX offers a wide range of products with various fit levels across multiple skin types, whereas Sesderma currently features just a single product on this page, the Azelac RU Serum. Reviewers frequently note that COSRX products provide lightweight absorption, deep hydration, and effective acne control.

Which is more affordable, COSRX or Sesderma?

The provided page and study facts do not contain pricing or affordability information for either COSRX or Sesderma.

Which causes fewer breakouts, COSRX or Sesderma?

COSRX offers many products on this page with superior or high Lovi fit levels for acne-prone skin, whereas Sesderma has only one product on this page with a high fit for acne-prone skin. Therefore, COSRX provides a much broader range of options to help manage breakouts.

How do the founding years and countries of origin compare between COSRX and Sesderma?

COSRX was founded in 2013 in South Korea, whereas Sesderma was founded in 1989 in Spain.

Which brand offers more fragrance-free skincare options on this page?

COSRX offers significantly more fragrance-free skincare options on this page, with 37 out of 38 products listing no fragrance, compared to Sesderma which includes fragrance in all of its products.

Which brand has a wider variety of product types such as cleansers, toners, and sunscreens listed?

COSRX has a wider variety of product types on this page, offering cleansers, toners, sunscreens, and masks, whereas Sesderma is represented by only a single serum.

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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