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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 skincare brands offering thoughtful products with precise formulas to maintain a healthy, balanced complexion. The British brand, founded in 1999, is beloved for its toners, serums, eye products, and moisturizers that suit mature and oily skin best, while the other is widely loved for its cleansers that suit balanced to oily skin best. For specific concerns, the Glow Tonic, Glow Peel Pads, and Retinol Tonic offer gentle yet effective daily care, whereas the Gel de Limpeza GL-01 targets acne-prone skin. These brands differ in their specific offerings, with the first providing reliable results through balanced formulas and the second relying on precise formulas.

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 on this page and achieves Superior Lovi fit levels for mature, oily, and sensitive skin types, whereas Principia features only a single cleanser with lower fit ratings. Reviewers of Pixi note deep hydration and radiance, though some mention strong fragrance and sticky residue.

What is the difference between Pixi and Principia?

Pixi is an independent UK brand founded in 1999 that offers a wide range of products on this page best fitting mature, oily, and sensitive skin, whereas Principia is owned by Viziera Participacoes Ltda. and features only a single cleanser on this page.

Which is more affordable, Pixi or Principia?

This page does not provide pricing information to compare the affordability of Pixi and Principia.

Which causes fewer breakouts, Pixi or Principia?

Pixi offers a wide selection of products on this page with superior Lovi fit levels for acne-prone skin, such as Retinol Tonic and Glow Tonic, whereas Principia only features one cleanser rated Low for acne-prone skin.

Which brand was founded earlier and where?

Pixi was founded in 1999 in the United Kingdom, whereas Principia was founded later in 2020.

How do the fragrance options differ between Pixi and Principia products?

Pixi offers a variety of products where 7 of 10 products on this page list no fragrance while others like Glow Tonic list fragrance, whereas every product on this page by Principia lists no fragrance in its ingredients.

Which skin types does Pixi fit best according to its brand-focused routines?

According to its brand-focused routines, Pixi fits mature skin, oily skin, and sensitive skin best. The products on this page offer a wide variety of Lovi fit levels across these and other skin types.

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

How does it fit your skin?

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