🇳🇱Netherlands

The INKEY List vs Principia

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

The INKEY List is a British skincare brand founded in 2018 and owned by Brand Evangelists for Beauty Limited.

cosmeticsbusiness.comprnewswire.comtheinkeylist.comtracxn.com

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

Popular The INKEY List vs Principia products

Questions and answers

The INKEY List or Principia: which is better?

The INKEY List offers a much wider range of products on this page across multiple categories like cleansers, serums, and moisturizers compared to Principia, which only features a single cleanser. Reviewers often mention that The INKEY List provides affordable and fast-absorbing moisturizers, though some note packaging issues.

What is the difference between The INKEY List and Principia?

The INKEY List offers a wide variety of products on this page spanning cleansers, toners, serums, and moisturizers that fit sensitive, combination, and acne-prone skin best, whereas Principia features only a single cleanser on its page. Reviewers mention that The INKEY List provides affordable and lightweight formulas, while no specific best-fit skin types are highlighted for Principia's routine.

The INKEY List or Principia: which cleanser is better?

The INKEY List offers multiple cleansers on this page, such as the Salicylic Acid Cleanser and Oat Cleansing Balm, with fit levels ranging from Superior to High for various skin types. In contrast, Principia features only the Gel de Limpeza GL-01, which has an Average fit for most skin types.

Which is more affordable, The INKEY List or Principia?

The INKEY List features affordable moisturizers and serums among the products on this page, whereas affordability details are not provided for Principia.

Which causes fewer breakouts, The INKEY List or Principia?

The products on this page for The INKEY List sometimes note purging and breakouts as a downside, while Principia provides no specific breakout data on its page.

When were The INKEY List and Principia founded?

The INKEY List was founded in 2018 in the United Kingdom, and Principia was founded in 2020.

Which company owns The INKEY List and which owns Principia?

The INKEY List is owned by Brand Evangelists for Beauty Limited, whereas Principia is owned by Viziera Participações Ltda.

Which skin types do The INKEY List's brand-focused routines fit best?

The INKEY List's brand-focused routines fit sensitive skin, combination skin, and acne-prone skin best.

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?

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

QR code: get the Lovi app
Download on theApp Store Get it onGoogle Play