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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 offering targeted serums, cleansers, toners, and moisturizers built around actives like niacinamide, centella asiatica, and salicylic acid. The first brand relies on soothing ingredients such as centella asiatica to suit dry skin and skin with dark spots, while the second brand focuses on precise formulas suited for balanced to oily skin. Both collections help maintain a healthy complexion, differing primarily in their ideal skin types and specific ingredient strengths.

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 products with High and Superior Lovi fit levels for skin types like dry skin and skin with dark spots. In contrast, Principia features only a single cleanser on this page with Average to Caution fit levels.

What is the difference between Some By Mi and Principia?

Some By Mi offers a large selection of products on this page featuring ingredients like niacinamide and retinol, with Lovi fit levels ranging from Superior to Caution depending on the skin type. In contrast, Principia features only one cleanser on this page with average to caution Lovi fit levels across different skin types.

Some By Mi or Principia: which cleanser is better?

For cleansers, the products on this page show that Some By Mi generally fits various skin types better than Principia. For example, the Snail Truecica Miracle Repair Low pH Gel Cleanser achieves a Superior Lovi fit level for skin with dark spots and mature skin, whereas Principia's Gel de Limpeza GL-01 only reaches an Average fit for those skin types.

Which is more affordable, Some By Mi or Principia?

The provided page facts do not contain pricing information, 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 effectively with multiple dedicated acne treatments on this page, whereas Principia features only a single cleanser with average to low acne-clearing Lovi fit levels.

When was Some By Mi founded compared to Principia?

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

Which brand has more products listed on the comparison page, Some By Mi or Principia?

Some By Mi has significantly more products listed on this page than Principia, offering a wide range of targeted skincare items.

Do any products from Some By Mi or Principia contain fragrance in their ingredients?

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

How does it fit your skin?

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