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COSRX vs ISDIN

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

COSRX and ISDIN are esteemed skincare labels that offer thoughtful daily care through serums, moisturizers, cleansers, masks, sunscreens, and eye products crafted with proven ingredients like hyaluronic acid, glycerin, and niacinamide. Korean-founded COSRX is adored for targeted formulations that suit acne-prone and oily acne-prone skin best, while Spanish-founded ISDIN is beloved for gentle yet effective creations that suit sensitive and acne-prone skin best. Both brands differ in their specific standout choices, with the former featuring solutions like the Advanced Snail Mucin Gel Cleanser, Full Fit Propolis Synergy Toner, and Centella Water Alcohol-Free Toner, and the latter providing options such as the Fusion Water, Eryfotona Actinica, and K-Ox Eyes.

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

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ISDIN is a Spanish skincare brand founded in 1975 and owned by Puig.

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

Popular COSRX vs ISDIN products

People Say

COSRXISDIN
  • Lightweight and fast-absorbing texture Often MentionedMostly Mentioned
    • “absorbs instantly — ISDIN Eryfotona Actinica”
    • “ultra-light fluid product, which makes it super easy to apply — ISDIN Fusion Water”
    • “Lightweight formula absorbs fast — ISDIN Hyaluronic Concentrate”
    • “absorbs instantly like water — COSRX The 6 Peptide Skin Booster Serum”
  • Deep hydration and moisturization Mostly MentionedMostly Mentioned
    • “skin drinks it up — COSRX Advanced Snail 96 Mucin Power Essence”
    • “woke up with soft, supple skin — COSRX Advanced Snail 92 All in One Cream”
    • “Improved moisture and texture — ISDIN Hyaluronic Moisture”
    • “My skin felt sooo hydrated and looks so plump and dewey. — ISDIN Fusion Water”
  • Gentle and non-stripping formulation Often MentionedOften Mentioned
    • “No stinging or irritation — COSRX BHA Blackhead Power Liquid”
    • “perfect for first-time retinol users — COSRX The Retinol 0.1 Cream”
    • “Sensitive/reactive skin tolerates — ISDIN Hyaluronic Moisture”
    • “no excessive exfoliation — ISDIN Retinal Intense Serum”
  • Skin texture and smoothing improvement Often MentionedSometimes Noted
    • “gives me that glass skin look — COSRX Advanced Snail 96 Mucin Power Essence”
    • “skin feels softer immediately — COSRX The 6 Peptide Skin Booster Serum”
    • “Skin feels like glass — COSRX BHA Blackhead Power Liquid”
    • “skin looks smooth and healthy — ISDIN K-Ox Eyes”
  • Invisible and non-greasy sunscreen finish Sometimes NotedOften Mentioned
    • “doesn't leave you white as a ghost — ISDIN Fusion Water”
    • “dries down matte — ISDIN Eryfotona Actinica”
    • “Non-greasy — ISDIN Hyaluronic Moisture”
    • “dark skin friendly — COSRX Ultra-Light Invisible Sunscreen”
  • Effective acne and pore control Often MentionedNot noted
    • “extremely gentle — COSRX AHA/BHA Clarifying Treatment Toner”
    • “helped to improve my acne after only 2 weeks — COSRX Salicylic Acid Daily Gentle Cleanser”
    • “cleared up my spots — COSRX Low pH Good Morning Gel Cleanser”
  • Strong scent or medicinal fragrance Sometimes NotedOften Mentioned
    • “smells like chemicals — COSRX Low pH Good Morning Gel Cleanser”
    • “smells like onions — COSRX The Retinol 0.1 Cream”
    • “smell is overpowering — ISDIN Eryfotona Actinica”
    • “lingering headache inducing effect — ISDIN K-Ox Eyes”
  • Packaging and size issues Often MentionedSometimes Noted
    • “My only wish is that ISDIN would make this product in a bigger size bottle. — ISDIN Fusion Water”
    • “Pump stopped working — ISDIN Hyaluronic Concentrate”
    • “I like the actual product, but the packaging is awful, I've already lost three bottles the applicator pops off. — ISDIN Flavo-C Serum”
    • “only 20mls... significantly less product — COSRX The Hyaluronic Acid 3 Serum”
  • Price and value considerations Rarely NotedOften Mentioned
    • “expensive for me — COSRX The Hyaluronic Acid 3 Serum”
    • “very expensive — ISDIN Eryfotona Actinica”

COSRX vs ISDIN routines for dry skin

See multi-brand routine · 98% fit

COSRX vs ISDIN routines for oily skin

See multi-brand routine · 97% fit

COSRX vs ISDIN routines for combination skin

See multi-brand routine · 96% fit

Questions and answers

COSRX or ISDIN: which is better?

ISDIN has a Superior routine fit for dry skin, combination skin, mature skin, and skin with dark spots, whereas COSRX achieves High for those skin types. Reviewers note that ISDIN does better on lightweight and fast-absorbing texture and invisible sunscreen finish.

What is the difference between COSRX and ISDIN?

COSRX is a South Korean brand founded in 2013 that focuses on acne control and skin texture, whereas ISDIN is a Spanish brand founded in 1975 that provides superior routine fit across almost all skin types. Lovi finds that the products on this page for COSRX best fit oily and acne-prone skin, while ISDIN offers superior sunscreens and lightweight moisturizers.

COSRX or ISDIN for dry skin?

For dry skin, ISDIN reaches a Superior routine fit while COSRX achieves a High routine fit. The products on this page for ISDIN help provide ultralight sunscreens and lightweight moisturizers.

COSRX or ISDIN: which moisturizer is better?

Both COSRX and ISDIN offer effective moisturizers, with COSRX being best suited for oily and acne-prone skin while ISDIN provides options that excel for dry and sensitive skin. Lovi gives ISDIN a Superior routine fit for dry skin, compared to COSRX which has a High fit.

Which is more affordable, COSRX or ISDIN?

COSRX is more affordable, as the products on this page have better price and value considerations compared to ISDIN.

How do COSRX and ISDIN compare in terms of fragrance and scent?

COSRX products on this page are mostly fragrance-free with 37 out of 38 listing no fragrance, whereas ISDIN has added fragrance in 5 of its 8 products. Both brands are noted by reviewers for a strong scent or medicinal fragrance on occasion.

Which brand performs better for mature skin and skin with dark spots, COSRX or ISDIN?

ISDIN performs better than COSRX for mature skin and skin with dark spots, with Lovi giving ISDIN a Superior routine fit compared to COSRX's High fit for both concerns. Additionally, ISDIN offers specialized treatments like the Retinal Intense Serum, which helps improve mature skin signs.

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What are the main differences between the sunscreens offered by COSRX and ISDIN?

ISDIN offers sunscreens that are known for an ultralight, makeup-friendly, and skin-friendly finish, whereas COSRX sunscreens provide options like the Ultra-Light Invisible Sunscreen and Aloe Soothing Sun Cream with high fit levels across various skin types.

COSRX or ISDIN for oily skin?

Both COSRX and ISDIN offer Superior Lovi fit levels for oily skin. The products on this page help provide lightweight hydration and effective oil control.

COSRX or ISDIN: which sunscreen is better?

Both COSRX and ISDIN offer great sunscreen options on this page, with ISDIN featuring ultralight, makeup-friendly, and skin-friendly sunscreens that reviewers mostly mention. COSRX products on this page are mostly fragrance-free, whereas ISDIN sunscreens like Fusion Water contain fragrance.

COSRX or ISDIN for sensitive skin?

Both COSRX and ISDIN offer great options for sensitive skin, with Lovi giving ISDIN a Superior fit level and COSRX a Superior fit level. Reviewers note that both brands provide gentle and non-stripping formulations.

COSRX or ISDIN for acne-prone skin?

Both COSRX and ISDIN offer a Superior Lovi fit level for acne-prone skin. COSRX features targeted acne-clearing products on this page, while ISDIN provides lightweight sunscreens that help protect sensitive skin.

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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