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COSRX vs Principia

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

COSRX and Principia are skincare brands offering thoughtful cleansers, serums, moisturizers, masks, and precise formulas. The Korean brand is known for utilizing hyaluronic acid, glycerin, and niacinamide, while both feature standout products like the Advanced Snail Mucin Gel Cleanser and the Gel de Limpeza GL-01 for acne-prone skin. While COSRX suits oily skin and sensitive skin best through formulations that balance moisture and soothe irritation, the other brand suits balanced to oily skin best to maintain a healthy, balanced complexion. They differ in their broader ingredient portfolios and specific target concerns, yet both provide effective choices for daily routines.

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 Principia products; for every product of both brands, with a fit score for your own skin, use the Lovi app.

Popular COSRX vs Principia products

Questions and answers

COSRX or Principia: which is better?

COSRX offers a much wider selection of products on this page across multiple categories, whereas Principia features only a single cleanser. COSRX has products with Superior fit levels for various skin types.

What is the difference between COSRX and Principia?

COSRX offers a wide range of products tailored for oily, sensitive, and acne-prone skin, whereas Principia currently lists only a single cleanser on this page. Reviewers frequently note that COSRX products provide deep hydration and gentle absorption.

COSRX or Principia: which cleanser is better?

COSRX offers a wider selection of cleansers with higher Lovi fit levels across skin types, such as the Advanced Snail Mucin Gel Cleanser which is rated Superior for dry, sensitive, and acne-prone skin. In comparison, the Principia Gel de Limpeza GL-01 achieves only average or low fit levels for most skin types.

Which is more affordable, COSRX or Principia?

This page does not provide pricing information to compare the affordability of COSRX and Principia.

Which causes fewer breakouts, COSRX or Principia?

COSRX includes several products on this page that help with acne-prone skin, whereas Principia features only a single cleanser with a low fit level for acne-prone skin. Therefore, COSRX is much more likely to support effective acne control.

When was COSRX founded and who owns it compared to Principia?

COSRX was founded in 2013 in South Korea and is owned by Amorepacific Group, whereas Principia was founded in 2020 and is owned by Viziera Participacoes Ltda.

Which COSRX products contain fragrance, and does Principia include fragrance in its products?

Among the products on this page, only the COSRX Vitamin E Vitalizing Sunscreen SPF 50+ lists fragrance in its ingredients. Principia includes no fragrance in any of its products on this page.

What key ingredients are found across COSRX skincare products?

COSRX skincare products feature key ingredients such as hyaluronic acid, glycerin, niacinamide, allantoin, panthenol, snail mucin, butylene glycol, and centella asiatica.

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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