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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 skincare lines designed to address diverse complexion needs through distinct formulations. The South Korean brand features serums, cleansers, toners, and moisturizers built around niacinamide, centella asiatica, and salicylic acid, while the second option is widely loved for its thoughtful cleansers and precise formulas. The first brand fits dry sensitive skin and skin with dark spots best, whereas its counterpart suits balanced to oily skin. Ultimately, they differ in their foundational ingredients and target skin types, offering tailored choices for a healthy, balanced complexion.

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 much more extensive and generally fits dry sensitive skin, skin with dark spots, and dry skin, whereas Principia has only one product listed on this page. Some By Mi products often help with complexion brightening and effective acne-clearing treatments, while niacinamide may reduce cutaneous pigmentation.

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 skincare products that achieve a Superior fit for dry sensitive skin, skin with dark spots, and dry skin, while Principia features only a single cleanser on this page with an Average fit for oily skin.

Some By Mi or Principia: which cleanser is better?

Some By Mi provides several cleansers with High and Superior Lovi fit levels across skin types, whereas Principia offers cleansers with only Average to Caution fit levels.

Which is more affordable, Some By Mi or Principia?

This page does not provide pricing information or cost comparisons for Some By Mi and 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 helps with breakouts, featuring effective acne-clearing treatments and items with Superior or High Lovi fit levels for acne-prone skin, while the products on this page for Principia do not focus on acne.

Between Some By Mi and Principia, which brand offers a wider variety of products?

Some By Mi offers a much wider variety of products on this page than Principia, spanning multiple categories like cleansers, toners, serums, moisturizers, and sunscreens. Principia features only a single cleanser.

How do the founding years and company ownership compare between Some By Mi and Principia?

Some By Mi was founded in South Korea in 2016 and is owned by JKL Partners, whereas Principia was founded in 2020 and is owned by Viziera Participacoes Ltda.

Do products from both Some By Mi and Principia contain fragrance in their ingredients?

Both Some By Mi and Principia list no fragrance in the ingredients of every product on this page.

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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