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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?

ONE/SIZE is a worthwhile choice because Lovi rates the ONE/SIZE-focused routine Superior for dry, oily, sensitive, combination, and acne-prone skin, outperforming brands like CeraVe. Additionally, every one of the ONE/SIZE products on this page lists no fragrance in its ingredients.

What are ONE/SIZE's best products?

ONE/SIZE does not feature a single standout product on this page, as OIL SUCKER is the only item listed. Lovi rates OIL SUCKER Average for oily, combination, and dark-spotted skin, and Low for mature, sensitive, and dry skin.

Does ONE/SIZE cause breakouts?

ONE/SIZE includes products like OIL SUCKER, which is marked with a caution for acne-prone skin, so it may cause breakouts for some shoppers. Lovi rates the ONE/SIZE-focused routine Superior for acne-prone skin overall.

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 glycerin and cyclopentasiloxane as key ingredients. Glycerin helps keep skin soft and hydrated, while cyclopentasiloxane smooths the skin surface.

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 which Lovi rates Superior for dry, oily, sensitive, combination, and acne-prone skin. Every one of the ONE/SIZE products on this page lists no fragrance in its ingredients.

What are good alternatives to ONE/SIZE?

Good alternatives to ONE/SIZE include CeraVe, Cetaphil, Paula's Choice, Neutrogena, Kiehl's, and Dermalogica. These similar skincare brands also have pages on Lovi for shoppers to explore.

ONE/SIZE vs CeraVe: which is better?

ONE/SIZE is better than CeraVe across all main skin types, as Lovi rates the ONE/SIZE-focused routine Superior for dry, oily, sensitive, combination, and acne-prone skin, compared to High for the CeraVe routine.

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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