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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 brands that offer thoughtfully crafted products for diverse routines, with the former known for its serums, cleansers, toners, and moisturizers built around niacinamide, centella asiatica, and salicylic acid, and the latter celebrated for its precise formulas and gentle cleansers. Some By Mi products fit sensitive and dry sensitive skin best, whereas the offerings from Principia suit balanced to oily skin. While the first brand relies on niacinamide to decrease hyperpigmentation and salicylic acid to reduce acne lesions, the second helps maintain a healthy, balanced complexion through specialized care like its Gel de Limpeza GL-01.

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 comprehensive on this page, offering dozens of products with fit levels reaching Superior for skin types like sensitive, dry, and dark spots, while Principia lists only a single cleanser with lower ratings. Reviewers frequently praise Some By Mi for gentle serums, deep cleansers, and brightening effects.

What is the difference between Some By Mi and Principia?

Some By Mi offers a wide variety of cleansers, toners, serums, and moisturizers featuring key ingredients like niacinamide and salicylic acid, whereas Principia only features a single cleanser on this page. Reviewers note that Some By Mi products often help with complexion brightening and effective acne-clearing treatments.

The British Journal of Dermatology, 2002Antioxidants, 2021

Some By Mi or Principia: which cleanser is better?

Some By Mi offers multiple cleansers with High or Superior Lovi fit levels across various skin types, whereas Principia has only one cleanser listed, which achieves just Average or lower fit levels. Reviewers frequently note that Some By Mi cleansers provide deep pore cleansing.

Which is more affordable, Some By Mi or Principia?

The public Lovi page does not provide pricing or affordability information for either Some By Mi or Principia.

Which causes fewer breakouts, Some By Mi or Principia?

Some By Mi helps with breakouts, featuring effective acne-clearing treatments and specialized products like the Snail Truecica Miracle Repair Low pH Gel Cleanser, which Lovi rates as Superior for acne-prone skin, whereas Principia lists only a single cleanser on this page whose fit for acne-prone skin is Low.

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 ownership backgrounds of Some By Mi and Principia differ?

Some By Mi is owned by JKL Partners, whereas Principia is owned by Viziera Participacoes Ltda.

Which brand offers a wider variety of product types on this page, Some By Mi or Principia?

Some By Mi offers a much wider variety of product types on this page, featuring cleansers, toners, serums, moisturizers, sunscreens, and masks, whereas Principia lists only a single cleanser. Reviewers note that Some By Mi provides gentle serums, deep pore cleansing cleansers, and excellent texture moisturizers.

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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