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ISDIN vs SEYOUL

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

ISDIN and SEYOUL are respected skincare brands that offer distinct approaches to complexion care. The Spanish house ISDIN, founded in 1975 and owned by Puig, is known for elegant moisturizers, advanced sunscreens, restorative serums, and targeted eye products featuring thoughtfully balanced formulas, while the brand SEYOUL is loved for its nourishing masks and delicate formulas. The former suits dry skin and sensitive skin best, with standout solutions such as the Fusion Water for acne-prone skin, the Eryfotona Actinica for skin with dark spots, and the K-Ox Eyes for mature skin, whereas the latter suits dry, oily, and combination skin best, highlighted by standout preparations like the Collagen Night Wrapping Mask for acne-prone skin. Both differ primarily in their specific product lineups and target skin profiles, as the offerings of each deliver reliable daily support and care for the complexion with quiet precision.

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

Popular ISDIN vs SEYOUL products

Questions and answers

ISDIN or SEYOUL: which is better?

ISDIN is the better choice because the products on this page offer superior to high Lovi fit levels for multiple skin types, unlike SEYOUL which mostly rates average to warning. ISDIN features a wide variety of ultralight sunscreens and moisturizers, though some formulas may contain strong fragrance.

What is the difference between ISDIN and SEYOUL?

ISDIN offers a broad selection of sunscreens, serums, and moisturizers with fit levels ranging up to Superior, whereas SEYOUL only features a single mask on this page that achieves at best an Average fit for dry skin.

Which is more affordable, ISDIN or SEYOUL?

SEYOUL has a single mask on this page, while ISDIN offers a full product line where shoppers often note a high price point.

Which causes fewer breakouts, ISDIN or SEYOUL?

ISDIN fits acne-prone skin best with High levels for products like Eryfotona Actinica, Fusion Water, Flavo-C Serum, and Retinal Intense Serum, whereas SEYOUL only features Collagen Night Wrapping Mask, which has a Caution fit level for acne-prone skin.

How does the founding year and parent company differ between ISDIN and SEYOUL?

ISDIN was founded in 1975 in Spain and is owned by Puig, whereas SEYOUL was founded in 2022 and is owned by Thành Vinh Holdings.

Which brand offers fragrance-free products according to the ingredient lists, ISDIN or SEYOUL?

SEYOUL offers fragrance-free products across its entire range on this page, whereas ISDIN has fragrance in 5 of its 8 products.

How many products are listed for ISDIN compared to SEYOUL on this comparison page?

ISDIN features eight products on the products on this page, whereas SEYOUL lists only one product. Reviewers mostly mention that ISDIN offers ultralight and makeup-friendly sunscreens.

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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