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Medik8 vs Principia

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

Medik8 and Principia are two distinct skincare lines known for thoughtful formulas and targeted results. The British brand Medik8 focuses on serums, moisturizers, eye products, and toners built around hyaluronic acid, suiting dry and dry sensitive skin best. Conversely, the second option is widely loved for precise cleansers that suit balanced to oily skin best. While both offer standout solutions for concerns like acne, they differ primarily in their core ingredient focus and ideal skin types.

Medik8 is a British skincare brand founded in 2009 and owned by L'Oréal Groupe since 2025.

loreal.commedik8.comtracxn.com

This page compares some of the most popular Medik8 and Principia products; for every product of both brands, with a fit score for your own skin, use the Lovi app.

Popular Medik8 vs Principia products

Questions and answers

Medik8 or Principia: which is better?

Medik8 stands out as the better choice here, offering a broad selection of serums and moisturizers that Lovi rates as High or Superior for dry and sensitive skin types. Principia features only a single cleanser on this page with lower fit ratings for dry skin.

What is the difference between Medik8 and Principia?

Medik8 offers a wide range of twelve serums, creams, toners, and cleansers that feature hyaluronic acid and fit dry and sensitive skin types best, whereas Principia is represented on this page by just a single cleanser. Medik8 helps deliver deep hydration and smoothing effects, and topical hyaluronic acid may help support skin quality and anti-aging benefits.

Dermatologic Therapy, 2022Drug Delivery, 2017

Medik8 or Principia: which cleanser is better?

Medik8 Surface Radiance Cleanse has a Superior fit for oily acne-prone skin and skin with dark spots, whereas Principia Gel de Limpeza GL-01 is rated Average for those skin types on this page.

Which is more affordable, Medik8 or Principia?

Reviewers on this page often mention Medik8's high price point, whereas Principia has fewer products listed here and lacks direct pricing details on this page. Lovi fit levels show Medik8 offers a wide range of specialized serums, while Principia currently features only a single cleanser on this page.

Which causes fewer breakouts, Medik8 or Principia?

Medik8 is rated as having a Superior fit for acne-prone skin for some of the products on this page, whereas Principia has only one cleanser listed with an Average to Low fit.

Between Medik8 and Principia, which brand offers a wider variety of skincare products on this page?

Medik8 offers a much wider variety of skincare products on this page, featuring multiple serums, creams, toners, and cleansers compared to just one cleanser from Principia.

How do the founding years and corporate ownership of Medik8 and Principia compare?

Medik8 was founded in 2009 in the United Kingdom and has been owned by L'Oréal Groupe since 2025, whereas Principia was founded in 2020 and is owned by Viziera Participações Ltda.

Which Medik8 products have no fragrance, and do all Principia products also lack fragrance?

On the Medik8 page, 11 of the 12 products list no fragrance, with only the Total Moisture Daily Facial Cream including it. All Principia products on this page also list no fragrance in their ingredients.

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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