🇬🇧United Kingdom

Medik8 vs Principia

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.

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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.

Questions and answers

Medik8 or Principia: which is better?

Medik8 stands out as the better choice on this page, offering a wide variety of serums and moisturizers with high Lovi fit levels for dry and sensitive skin. Hyaluronic acid helps provide deep hydration.

Drug Delivery, 2017Dermatologic Therapy, 2022

What is the difference between Medik8 and Principia?

Medik8 offers a wide range of serums, creams, and cleansers that help with hydration and anti-aging, whereas Principia only features a single cleanser on this page. Medik8 fits dry and sensitive skin best, while the products on this page help improve skin texture and offer brightening effects.

Dermatologic Therapy, 2022Journal of Cosmetic Dermatology, 2020

Medik8 or Principia: which cleanser is better?

Medik8 provides cleansers like Surface Radiance Cleanse that fit acne-prone skin best with a Superior Lovi fit level, whereas Principia only lists Gel de Limpeza GL-01 which has an Average fit for oily skin.

Which is more affordable, Medik8 or Principia?

Reviewers note that Medik8 has a high price point, whereas the products on this page for Principia do not mention pricing issues.

Which causes fewer breakouts, Medik8 or Principia?

Medik8 offers products on this page like Surface Radiance Cleanse that help with acne-prone skin, whereas the single Principia product on this page has an average or low fit for acne-prone skin.

Which Medik8 moisturizer contains fragrance while the others do not?

Total Moisture Daily Facial Cream is the only moisturizer from Medik8 on this page that lists fragrance, while the others do not.

What parent companies own Medik8 and Principia, and when were the brands founded?

Medik8 was founded in 2009 and is owned by L'Oréal Groupe since 2025, while Principia was founded in 2020 and is owned by Viziera Participações Ltda.

Which Medik8 products achieve a Superior Lovi fit level for dry skin?

For dry skin, the Medik8 products on this page that achieve a Superior Lovi fit level are Bakuchiol Peptides, Hydr8 B5 Intense, and Press & Glow.

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.

How does it fit your skin?

Scan your face, then any product: Lovi shows how well it fits you and what fits even better.