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Some By Mi vs Principia

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

Some By Mi and Principia are two distinct skincare lines known for thoughtful cleansers and precise formulas. The Korean brand features serums, cleansers, toners, and moisturizers built around niacinamide, centella asiatica, and salicylic acid, while the latter offers targeted options like the Gel de Limpeza GL-01. Both brands suit different complexions, with the former fitting dry sensitive skin best and the latter suiting balanced to oily skin. They ultimately differ in their key ingredient focus and regional origins, helping maintain a healthy, balanced complexion depending on individual needs.

Some By Mi is a Korean skincare brand founded in 2016 and owned by JKL Partners since 2021.

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

Popular Some By Mi vs Principia products

Questions and answers

Some By Mi or Principia: which is better?

Some By Mi is the better choice on this page, offering a wide selection of products with Superior and High Lovi fit levels across multiple skin types, whereas Principia features only a single cleanser with lower fit ratings. Niacinamide helps reduce cutaneous pigmentation and manage skin aging.

The British Journal of Dermatology, 2002Antioxidants, 2021

What is the difference between Some By Mi and Principia?

Some By Mi offers a wide variety of cleansers, toners, serums, and moisturizers that fit dry and sensitive skin best, while Principia features only a single cleanser on this page.

Some By Mi or Principia: which cleanser is better?

Some By Mi offers multiple cleansers with High or Superior Lovi fit levels for acne-prone, oily, and sensitive skin, whereas Principia only features a single cleanser with average or caution ratings across those same skin types. Reviewers often note that Some By Mi cleansers provide deep pore cleansing.

Which is more affordable, Some By Mi or Principia?

This page does not provide pricing information for either Some By Mi or Principia, so it is not possible to determine which brand is more affordable.

Which causes fewer breakouts, Some By Mi or Principia?

Some By Mi is the better fit on Lovi for managing breakouts because the products on this page feature specialized acne-clearing treatments that achieve Superior fit levels for acne-prone skin. Principia features only a single cleanser with a Low fit level for acne-prone skin.

Between Some By Mi and Principia, which brand was founded earlier?

Some By Mi was founded earlier, in 2016 in South Korea, whereas Principia was founded in 2020.

How do the skin types that Some By Mi and Principia fit best compare according to their brand-focused routines?

Some By Mi fits dry sensitive skin, dry skin, and sensitive skin best based on its brand-focused routines, whereas Principia does not show any best-fit skin types for its routines on this page.

Do products from both Some By Mi and Principia share the characteristic of having no fragrance listed in their ingredients?

Yes, every product on this page from both Some By Mi and Principia lists no fragrance in its 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

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