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ISDIN vs the purest

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

ISDIN and the purest are two distinct skincare lines known for gentle moisturizers, advanced sunscreens, serums, and eye products. The Spanish brand founded in 1975 and owned by Puig offers formulas crafted with key ingredients that suit sensitive skin and acne-prone skin best, featuring standout solutions such as Fusion Water, Eryfotona Actinica, and K-Ox Eyes. Meanwhile, the second line is deeply cherished for thoughtfully composed creations that suit sensitive, dry, and combination skin best, while also offering reliable daily support for acne-prone skin. They differ primarily in their specific target concerns and origins, with both earning praise through consistent performance to help maintain a healthy, balanced, and protected complexion.

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

Popular ISDIN vs the purest products

Questions and answers

ISDIN or the purest: which is better?

ISDIN offers a wider range of products on this page with better Lovi fit levels for sensitive, acne-prone, and dry skin compared to the purest. Reviewers often mention ISDIN for its ultralight and makeup-friendly sunscreens, though some note a strong fragrance.

What is the difference between ISDIN and the purest?

ISDIN offers a broad selection of eight products on this page with sunscreens achieving Superior Lovi fit levels for sensitive, mature, and dry skin types, whereas the purest features only one moisturizer product on the page that has a High Lovi fit for sensitive skin.

ISDIN or the purest: which moisturizer is better?

ISDIN offers a wider variety of moisturizers on this page with higher Lovi fit levels across skin types, such as Hyaluronic Concentrate which has a High fit for sensitive and acne-prone skin, whereas the purest solutions moisturizer mostly shows average or low fits for most skin types.

Dermatologic Therapy, 2022Clinical, Cosmetic and Investigational Dermatology, 2017

Which is more affordable, ISDIN or the purest?

Reviews often mention a high price point for ISDIN, while pricing details for the purest are not provided on this page.

Which causes fewer breakouts, ISDIN or the purest?

ISDIN offers products on this page with High Lovi fit levels for acne-prone skin like Eryfotona Actinica, whereas the purest solutions moisturizer has a Low fit for acne-prone skin.

Between ISDIN and the purest, which brand has been established longer?

ISDIN has been established longer, having been founded in 1975 in Spain, whereas the purest was founded in 2020.

Which brand offers a larger selection of products on the page, ISDIN or the purest?

ISDIN offers a larger selection of products on the page with eight items, whereas the purest features only one product.

How does the fragrance content compare between ISDIN and the purest products listed?

ISDIN offers more variety since 3 of its 8 products on this page list no fragrance, while the purest has fragrance in all 1 of its products listed here. Reviewers note that ISDIN products sometimes feature a strong fragrance.

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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