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Pixi vs Principia

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

Pixi and Principia are thoughtful skincare brands offering reliable daily solutions for balanced care. The British line, founded in 1999, is beloved for its toners, serums, eye products, and moisturizers suited best to oily and sensitive skin, featuring standout items like the Glow Tonic for acne-prone skin, the Glow Peel Pads for dark spots, and the Retinol Tonic for mature skin. Meanwhile, the second option is widely known for its cleansers and precise formulas that suit balanced to oily skin best, including the Gel de Limpeza GL-01 for acne-prone skin. While both brands help maintain a healthy, radiant complexion, they differ in their specific product types and targeted ingredient approaches.

Pixi is a British skincare brand founded in 1999.

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

Popular Pixi vs Principia products

Questions and answers

Pixi or Principia: which is better?

Pixi offers a much wider range of products with higher Lovi fit levels across most skin types compared to Principia on this page. Pixi features options like Retinol Tonic and Vitamin-C Serum that help with signs of aging and dark spots. Aloe vera and hyaluronic acid are key ingredients across the products on this page.

The Journal of Investigative Dermatology, 2000Journal of Pharmacy & Pharmaceutical Sciences, 2015

What is the difference between Pixi and Principia?

Pixi offers a wide variety of skincare products on this page with strong fits for oily, sensitive, and acne-prone skin, while Principia features only a single cleanser. Furthermore, Pixi uses fragrance in some formulas like Glow Tonic and Hydrating Milky Mist, whereas Principia lists no fragrance across its products on this page.

Which is more affordable, Pixi or Principia?

The provided page does not contain pricing information, so it is not possible to determine whether Pixi or Principia is more affordable.

Which causes fewer breakouts, Pixi or Principia?

Pixi fits acne-prone skin best with a Superior rating for products like Retinol Tonic, whereas Principia has only one cleanser on this page which rates Low for acne-prone skin. Aloe vera in Pixi products helps soothe skin, and its key ingredients like hyaluronic acid support hydration.

Iranian Journal of Medical Sciences, 2019Journal of Pharmacy & Pharmaceutical Sciences, 2015

Which brand offers more products for dry and sensitive skin, Pixi or Principia?

Pixi offers a wide selection of products on this page for dry and sensitive skin, such as Hydrating Milky Mist with a High fit level for dry sensitive skin and Glow Tonic with an Average fit level. In contrast, Principia lists only one product on this page, Gel de Limpeza GL-01, which has a Caution fit level for dry sensitive skin.

How do the founding years and corporate ownerships of Pixi and Principia compare?

Pixi was founded in 1999 in the United Kingdom and is owned by an independent company. In comparison, Principia was founded in 2020 and is owned by Viziera Participações Ltda.

Which Pixi products contain added fragrance compared to Principia's fragrance-free formulations?

Among the products on this page, Glow Tonic, Hydrating Milky Mist, and Antioxidant Tonic contain added fragrance, unlike Principia's fragrance-free formulations.

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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