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ONE/SIZE skincare

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

ONE/SIZE is an American skincare brand founded in 2020 and owned by Luxury Brand Partners.

en.wikipedia.orgcosmeticsbusiness.comtracxn.combeautymatter.com

ONE/SIZE is celebrated for its primers and foundations, which feature advanced formulas designed for high-performance wear. Its products suit oily, combination, and textured skin best, offering balanced application without heaviness. For acne-prone skin, the OIL SUCKER stands out as a reliable choice to manage excess shine. Every carefully crafted selection delivers a polished finish that respects the skin's natural integrity.

This page covers some of the most popular ONE/SIZE products; for the whole ONE/SIZE range, with a fit score for every product, use the Lovi app.

Questions and answers

Is ONE/SIZE worth it?

Yes, ONE/SIZE is worth it for most shoppers since Lovi rates its routines Superior for dry, oily, sensitive, combination, and acne-prone skin. Every ONE/SIZE product on this page also lists no fragrance in its ingredients.

What are ONE/SIZE's best products?

ONE/SIZE does not have a single standout product listed on this page, as the routines built around the brand perform equally well across different skin types. Lovi rates the ONE/SIZE-focused routines as Superior for dry, oily, sensitive, combination, and acne-prone skin.

Does ONE/SIZE cause breakouts?

ONE/SIZE is unlikely to cause breakouts when shoppers use the brand's products on this page, as acne-prone routines score Superior with Lovi. However, OIL SUCKER carries a Caution rating for acne-prone skin.

Is ONE/SIZE fragrance-free?

Yes, every one of the ONE/SIZE products on this page lists no fragrance in its ingredients.

What are the key ingredients in ONE/SIZE products?

ONE/SIZE products feature key ingredients like glycerin, cyclopentasiloxane, and dimethicone. Glycerin helps maintain skin hydration, while the silicones support smooth product application and skin protection.

Clinical, Cosmetic and Investigational Dermatology, 2017International Journal of Toxicology, 2011

How do I build a ONE/SIZE skincare routine?

To build a ONE/SIZE skincare routine, you can follow the brand-focused routines that Lovi rates Superior for dry, oily, sensitive, combination, and acne-prone skin. Every ONE/SIZE product on this page also lists no fragrance in its ingredients.

What are good alternatives to ONE/SIZE?

Good alternatives to ONE/SIZE with pages on Lovi include CeraVe, Cetaphil, Paula's Choice, Neutrogena, Kiehl's, and Dermalogica. These brands offer alternative skincare options for various skin types.

ONE/SIZE vs CeraVe: which is better?

For dry skin, Lovi rates the ONE/SIZE-focused routine Superior and the CeraVe-focused routine High. For oily, sensitive, combination, and acne-prone skin, both routines rate Superior.

Who owns ONE/SIZE, and where is it from?

ONE/SIZE is an American brand founded in 2020, owned by Luxury Brand Partners.

en.wikipedia.orgcosmeticsbusiness.comtracxn.combeautymatter.com

Is ONE/SIZE cruelty-free?

PETA, Leaping Bunny, and Cruelty Free International, the registries Lovi checks, do not list ONE/SIZE as cruelty-free.

Research behind ONE/SIZE's key ingredients

Behind these ratings

Lovi rates every product from its 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. Sof铆a Perea P茅rez, MD, MSc

    Dr. Sof铆a Perea P茅rez, 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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