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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 known for their thoughtful ranges of cleansers, toners, serums, eye products, and moisturizers. The British brand founded in 1999 is beloved for gentle yet effective formulas featuring ingredients like glycolic acid and retinol, suiting sensitive and acne-prone skin best with standout solutions such as the Glow Tonic, Glow Peel Pads, and Retinol Tonic for dark spots and mature skin. Meanwhile, the other offering is widely appreciated for precise formulas, including the GL-01 cleanser, that suit balanced to oily skin best to help maintain a healthy, balanced complexion. They primarily differ in their specific formulations and the particular skin types and concerns each addresses most effectively.

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 is the better choice on this page, offering a wide variety of toners and serums with Superior fit levels for acne-prone and sensitive skin. In contrast, the single Principia cleanser listed only achieves Average or lower fit levels across most skin types.

What is the difference between Pixi and Principia?

Pixi offers a much wider range of products on this page across multiple categories like toners and serums, whereas Principia features only a single cleanser. Pixi fits best for sensitive, acne-prone, and dry sensitive skin types.

Which is more affordable, Pixi or Principia?

The provided page facts and studies do 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 on products like Retinol Tonic, whereas Principia has only one cleanser on this page which rates Low for acne-prone skin. Aloe vera helps soothe irritated skin.

Iranian Journal of Medical Sciences, 2019

When were Pixi and Principia founded and who owns them?

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

Which products from Pixi contain added fragrance?

Among the products on this page, only Glow Tonic, Hydrating Milky Mist, and Antioxidant Tonic from Pixi list added fragrance in their ingredients.

How does the Lovi fit level for dry skin compare between Pixi's Rose Oil Blend and Principia's Gel de Limpeza GL-01?

Pixi's Rose Oil Blend achieves a High fit level for dry skin, whereas Principia's Gel de Limpeza GL-01 is rated with a Caution fit level for that 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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