ONE/SIZE skincare
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 dry, oily, sensitive, combination, and acne-prone skin because the brand-focused routines for these skin types achieve a Superior fit level on Lovi. Additionally, the ONE/SIZE products on this page are free of fragrance.
What are ONE/SIZE's best products?
ONE/SIZE does not feature a single best product since fit levels vary by skin type, with oily and combination skin seeing Average fits for OIL SUCKER. Lovi rates the ONE/SIZE-focused routines Superior for dry, oily, sensitive, combination, and acne-prone skin.
Does ONE/SIZE cause breakouts?
ONE/SIZE products on this page list no fragrance, but acne-prone skin should use OIL SUCKER with caution because it rates Low for oily acne-prone skin and Caution for acne-prone skin.
Is ONE/SIZE fragrance-free?
Yes, every product from ONE/SIZE on this page lists no fragrance in its ingredients.
What are the key ingredients in ONE/SIZE products?
ONE/SIZE products include key ingredients such as glycerin, cyclopentasiloxane, and dimethicone. Glycerin helps maintain skin hydration, while dimethicone acts as a skin protectant.
How do I build a ONE/SIZE skincare routine?
To build a skincare routine with ONE/SIZE, you can follow the brand-focused routines which Lovi rates Superior for dry, oily, sensitive, combination, and acne-prone skin. Additionally, the ONE/SIZE products on this page list no fragrance in their 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. For dry skin, a CeraVe-focused routine rates High, whereas a ONE/SIZE-focused routine rates Superior.
ONE/SIZE vs CeraVe: which is better?
ONE/SIZE is a better match for dry skin, where Lovi rates the ONE/SIZE-focused routine Superior and the CeraVe-focused routine High. For oily, sensitive, combination, and acne-prone skin, both brands tie with a Superior fit.
Who owns ONE/SIZE, and where is it from?
ONE/SIZE is an American brand founded in 2020, owned by Luxury Brand Partners.
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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.
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Co-founder, Medical Director
Cosmetic chemist, cosmetologist, aesthetic products developer
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Co-founder, CEO and CTO
PhD in computer science, 3x US patent holder, ex-Google, ex-Yandex
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Dr. Sof铆a Perea P茅rez, MD, MSc
Medical Board
Aesthetic medicine practitioner, MSc in Longevity and Anti-Aging Medicine
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Medical Board
Specialist dermatologist, MBBS, MD, IFAAD
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Medical Board
Cosmetic chemist, SCS, IFSCC member
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Medical Board, Medical Advisor
Dermatology MD
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Elina Nazarenko, MD
Medical Board
Dermatology and diagnostic consultant
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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.
