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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 that offer thoughtful ranges of products formulated with efficacious ingredients. The British brand is known for toners, serums, eye products, and moisturizers that suit dry skin and oily skin best, while the other is widely loved for precise cleansers and formulas that suit balanced to oily skin best. Pixi features standout offerings like the Glow Tonic for acne-prone skin, the Glow Peel Pads for skin with dark spots, and the Retinol Tonic for mature skin, whereas Principia highlights the Gel de Limpeza GL-01 for acne-prone skin. Both brands differ in their specific product types and targeted solutions, yet each delivers reliable daily support for a healthy, radiant, and balanced complexion.

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 with superior and high Lovi fit levels across multiple skin types, whereas Principia features only a single cleanser with average to caution ratings. Shoppers frequently praise Pixi for deep hydration and radiance, although some note strong fragrances or sticky residue.

What is the difference between Pixi and Principia?

Pixi offers a wide variety of skincare products on this page spanning toners, serums, and moisturizers with fragrance in some formulas, whereas Principia features only a single cleanser that lists no fragrance. For dry skin, Lovi rates products from Pixi as having a Superior fit like Hydrating Milky Mist, while Principia's cleanser has a Caution fit for dry skin.

Which is more affordable, Pixi or Principia?

This page does not provide pricing information for either Pixi or Principia, so it is not possible to determine which brand is more affordable.

Which causes fewer breakouts, Pixi or Principia?

Pixi offers products on this page such as Retinol Tonic and Glow Tonic with a Superior Lovi fit level for acne-prone skin, while Principia has only one cleanser listed, which has a Low fit for acne-prone skin. Aloe vera in Pixi products helps soothe skin and may reduce irritation.

Iranian Journal of Medical Sciences, 2019

How does the founding year and company ownership compare between Pixi and Principia?

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 Participacoes Ltda.

Which brand offers more products with no fragrance listed in their ingredients?

Pixi offers more products with no fragrance listed in their ingredients on this page, with 7 out of 10 fragrance-free products compared to Principia's single product. Reviewers note that Pixi's fragrance-free items provide deep hydration and radiance.

How do the Lovi fit levels for oily skin compare between Pixi's Glow Tonic and Principia's GL-01 cleanser?

Pixi's Glow Tonic has a Superior Lovi fit level for oily skin, whereas Principia's GL-01 cleanser has an Average fit for the same skin type.

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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