🇪🇸Spain

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 variety of products on this page than Principia, making it the better choice for diverse skincare routines. Reviewers frequently mention that The INKEY List provides affordable and fast-absorbing moisturizers, while its products span across multiple categories like cleansers, serums, and toners.

What is the difference between The INKEY List and Principia?

The products on this page from The INKEY List fit sensitive, combination, and oily acne-prone skin best, whereas Principia lists only a single cleanser. Furthermore, The INKEY List offers a wide variety of cleansers, serums, and moisturizers with no fragrance, while Principia features just one gel cleanser.

The INKEY List or Principia: which cleanser is better?

The INKEY List Salicylic Acid Cleanser generally achieves higher Lovi fit levels across skin types, such as High for sensitive, oily, and combination skin, compared to Principia Gel de Limpeza GL-01 which rates as Average or lower.

Which is more affordable, The INKEY List or Principia?

Reviewers on the products on this page mention affordable moisturizers and serums for The INKEY List, whereas the page data does not include pricing or reviewer feedback about affordability for Principia.

Which brand was founded earlier, The INKEY List or Principia?

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

Which skin types does The INKEY List fit best according to its routines?

According to its brand-focused routines, The INKEY List fits sensitive skin, combination skin, and oily acne-prone skin best.

What are the common packaging issues reported for The INKEY List?

Reviewers note that the products on this page for The INKEY List have packaging issues.

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