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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 is the better choice for its much wider range of options and high Lovi fit levels across multiple skin types, whereas Principia only features a single cleanser on this page. Medik8 helps provide deep hydration and plumping with ingredients like hyaluronic acid.

Dermatologic Therapy, 2022Drug Delivery, 2017

What is the difference between Medik8 and Principia?

Medik8 offers a wide range of serums, creams, and cleansers that feature ingredients like hyaluronic acid to deeply hydrate and help improve skin texture, whereas Principia has only a single cleanser listed on this page.

Drug Delivery, 2017Dermatologic Therapy, 2022

Medik8 or Principia: which cleanser is better?

Medik8 Surface Radiance Cleanse fits acne-prone skin, skin with dark spots, and oily acne-prone skin at a Superior level, while Principia Gel de Limpeza GL-01 has an Average fit for those skin types.

Which is more affordable, Medik8 or Principia?

Medik8 is not more affordable, as reviewers often mention its high price point. In contrast, the products on this page for Medik8 feature a wide variety of serums and treatments, whereas Principia offers a simpler cleanser option.

Which causes fewer breakouts, Medik8 or Principia?

Medik8 features products on this page such as Surface Radiance Cleanse that help with acne-prone skin with a Superior Lovi fit level, whereas Principia has only a single cleanser on this page rated Low for acne-prone skin.

When was Medik8 founded and who owns it compared to Principia?

Medik8 was founded in 2009 in the United Kingdom and is owned by L'Oreal Groupe since 2025, while Principia was founded in 2020 and is owned by Viziera Participacoes Ltda.

Which Medik8 products contain fragrance?

Only the Total Moisture Daily Facial Cream among the products on this page lists fragrance in its ingredients.

What is the recommended Medik8 routine for dry skin?

For dry skin, the recommended Medik8 routine features Hydrating Facial Cleanser, Advanced Replenishing Toner, Hydr8 B5 Intense moisturizer, and Daily Soft Touch Sunscreen in the morning. The evening routine uses Ultra Hyalon Cleansing Cream, Hydrating Facial Cleanser, Bakuchiol Peptides serum, and Hydr8 B5 Intense moisturizer.

Drug Delivery, 2017Dermatologic Therapy, 2022

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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