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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, targeted serums, and daily treatments. The Korean brand features niacinamide, centella asiatica, and salicylic acid to address dark spots, dryness, and acne-prone skin, while Principia relies on precise formulas best suited for balanced to oily complexions. Both brands differ primarily in their regional heritage and specific ingredient focuses, helping users maintain a healthy 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 the better option on this page, as it offers a wide variety of well-rated products across multiple skin types, whereas Principia features only a single cleanser with lower fit levels. Reviewers frequently note that Some By Mi delivers effective acne-clearing treatments and complexion brightening without any added fragrance.

The British Journal of Dermatology, 2002

What is the difference between Some By Mi and Principia?

Some By Mi offers a wide variety of cleansers, toners, serums, and moisturizers that Lovi rates as High or Superior for skin with dark spots and dry skin, whereas the products on this page for Principia consist of a single cleanser with average or lower ratings.

Some By Mi or Principia: which cleanser is better?

For cleansers, Some By Mi offers products on this page with a Lovi fit level of High or Superior for most skin types, whereas Principia has only one cleanser listed, which achieves an Average fit at best.

Which is more affordable, Some By Mi or Principia?

The provided page facts do not contain 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 helps clear blemishes, with effective acne-clearing treatments offered by the products on this page. Niacinamide helps control skin aging and pigmentation.

Antioxidants, 2021

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?

Some By Mi fits best for skin with dark spots, dry skin, and dry sensitive skin on the products on this page, whereas Principia does not have any listed skin types it fits best. Niacinamide helps reduce cutaneous pigmentation.

The British Journal of Dermatology, 2002Antioxidants, 2021

Which brand offers fragrance-free products, Some By Mi or Principia?

Both Some By Mi and Principia offer fragrance-free products, as every product on this page 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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