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Some By Mi vs Principia

Some By Mi and Principia are two distinct skincare lines known for thoughtful cleansers, targeted serums, and daily essentials. The Korean brand relies on niacinamide, centella asiatica, and salicylic acid to soothe dry and dry sensitive skin, while its counterpart favors precise formulas that suit balanced to oily skin best. While both help maintain a healthy complexion, they differ primarily in their core ingredients and the specific skin types they address.

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.

Questions and answers

Some By Mi or Principia: which is better?

Some By Mi is the better choice for most shoppers because the products on this page offer a much wider range of targeted treatments and higher Lovi fit levels across skin types, whereas Principia features only a single cleanser. Niacinamide helps reduce cutaneous pigmentation and control skin aging.

The British Journal of Dermatology, 2002Antioxidants, 2021

What is the difference between Some By Mi and Principia?

Some By Mi offers a large selection of products featuring ingredients like niacinamide that helps brighten the complexion and salicylic acid for acne-clearing treatments, whereas Principia has only a single cleanser listed on this page.

The British Journal of Dermatology, 2002Antioxidants, 2021

Some By Mi or Principia: which cleanser is better?

For cleansers, Some By Mi offers products on this page with higher Lovi fit levels across multiple skin types compared to Principia.

Which is more affordable, Some By Mi or Principia?

The provided page does not contain pricing information, so a comparison of affordability between Some By Mi and Principia cannot be made.

Which causes fewer breakouts, Some By Mi or Principia?

Some By Mi is more likely to help prevent breakouts because the products on this page include targeted acne-clearing treatments, whereas Principia lists only a single cleanser with average fits for acne-prone skin.

Which brand has been on the market longer, Some By Mi or Principia?

Some By Mi has been on the market longer, having been founded in South Korea in 2016, whereas Principia was founded in 2020.

Do either Some By Mi or Principia products contain fragrance?

Every product on this page for both Some By Mi and Principia lists no fragrance in its ingredients.

What are the main key ingredients found across Some By Mi products?

The main key ingredients across the products on this page for Some By Mi are Niacinamide, Centella asiatica, and Salicylic acid. Niacinamide helps reduce cutaneous pigmentation and controls skin aging and pigmentation.

The British Journal of Dermatology, 2002Antioxidants, 2021

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.

How does it fit your skin?

Scan your face, then any product: Lovi shows how well it fits you and what fits even better.