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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.

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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?

ONE/SIZE is worth it for shoppers looking for specialized care, as Lovi rates the brand-focused routines Superior for dry, oily, sensitive, combination, and acne-prone skin. Every product from ONE/SIZE on this page lists no fragrance in its ingredients, making the range gentle for daily use.

What are ONE/SIZE's best products?

ONE/SIZE does not feature single best products since the routines built around them fit dry, oily, sensitive, combination, and acne-prone skin at a Superior level.

Does ONE/SIZE cause breakouts?

ONE/SIZE includes OIL SUCKER, which carries a caution for acne-prone skin and an average fit for oily acne-prone skin, so it may cause breakouts for some users. Lovi rates the ONE/SIZE-focused routine Superior for acne-prone skin.

Is ONE/SIZE fragrance-free?

Yes, every one of the ONE/SIZE products on this page is fragrance-free.

What are the key ingredients in ONE/SIZE products?

ONE/SIZE products feature ingredients such as glycerin, cyclopentasiloxane, and dimethicone. Lovi rates the ONE/SIZE-focused routine Superior for dry, oily, sensitive, combination, and acne-prone skin.

How do I build a ONE/SIZE skincare routine?

To build a skincare routine with ONE/SIZE, you can use the brand's selection of products which are all made without fragrance. Lovi rates the ONE/SIZE-focused routine Superior for dry, oily, sensitive, combination, and acne-prone skin.

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. For dry skin, a CeraVe-focused routine is a High fit, compared to a Superior fit for ONE/SIZE. For oily, sensitive, combination, and acne-prone skin, routines focused on either brand offer a Superior fit.

ONE/SIZE vs CeraVe: which is better?

For dry skin, ONE/SIZE-focused routines rate Superior while CeraVe-focused routines rate High. For oily, sensitive, combination, and acne-prone skin, ONE/SIZE-focused routines rate Superior, matching CeraVe-focused routines.

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?

Scan your face, then any product: Lovi shows how well it fits you and what fits even better.

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