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RoC vs Principia

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

RoC and Principia are skincare brands that offer targeted serums, eye products, moisturizers, and cleansers. The French brand, founded in 1957, is deeply loved for its thoughtful formulas featuring glycerin and retinol, which suit mature skin and acne-prone skin best. Meanwhile, the second brand is widely loved for its precise formulas that suit balanced to oily skin best. They differ primarily in their standout offerings and key ingredient benefits, such as glycerin increasing hydration and retinol reducing fine wrinkles.

RoC is a French skincare brand founded in 1957 and owned by Bridgepoint Group plc since 2024.

en.wikipedia.orgprnewswire.combeautymatter.com

This page compares some of the most popular RoC and Principia products; for every product of both brands, with a fit score for your own skin, use the Lovi app.

Popular RoC vs Principia products

Questions and answers

RoC or Principia: which is better?

RoC is better suited for most shoppers on this page, as the products on this page offer a wide variety of anti-aging and hydrating formulas with High fit levels for mature and dry skin, whereas Principia only features a single cleanser with lower fit ratings. Retinol helps reduce the appearance of fine lines and wrinkles in aging skin.

The Journal of Investigative Dermatology, 2000Archives of Dermatology, 2007

What is the difference between RoC and Principia?

RoC offers a wide range of products targeting mature, acne-prone, and dry skin with key ingredients like retinol and vitamin C, while Principia features only a single cleanser on this page. Reviewers frequently note wrinkle reduction with RoC, though some report skin irritation.

The Journal of Investigative Dermatology, 2000Archives of Dermatology, 2007

RoC or Principia: which cleanser is better?

When comparing cleansers, the BARRIER RENEW GEL-TO-FOAM CLEANSER by RoC has High Lovi fit levels across multiple skin types, including dry, sensitive, and oily skin, while Principia's Gel de Limpeza GL-01 has lower fit levels for several skin types. Reviewers often note that RoC products provide smooth skin texture and softness.

Which is more affordable, RoC or Principia?

Reviewers note that RoC offers good value, while the products on this page for Principia lack price data. Retinol helps reduce the appearance of fine lines and wrinkles.

The Journal of Investigative Dermatology, 2000

Which causes fewer breakouts, RoC or Principia?

When comparing breakouts, Principia has a cleanser with a low fit for acne-prone skin, whereas RoC offers products on this page with a High fit level for acne-prone skin.

Which brand has a longer history, RoC or Principia?

RoC has a much longer history, having been founded in France in 1957, while Principia was founded in 2020.

How many products from RoC contain added fragrance compared to Principia?

On the products on this page, 10 of 12 RoC products list no fragrance, meaning 2 contain fragrance, whereas every Principia product lists no fragrance.

What are the key active ingredients shared across RoC products?

The products on this page for RoC share key ingredients including glycerin, retinol, vitamin C, and hyaluronic acid. Retinol helps reduce fine lines and wrinkles by stimulating collagen accumulation in aged skin.

The Journal of Investigative Dermatology, 2000Archives of Dermatology, 2007

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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