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COSRX vs Some By Mi

Rated by Lovi · Unbiased, science-based skincare AI trained on real user outcomes · How the Fit score works

COSRX and Some By Mi are two renowned Korean skincare brands that offer thoughtful arrays of serums, cleansers, toners, moisturizers, and masks. The former incorporates hyaluronic acid, glycerin, and niacinamide to best suit oily and oily acne-prone skin, while the latter builds its products around niacinamide, centella asiatica, and salicylic acid to best suit dry sensitive skin and skin with dark spots. Both lines thoughtfully balance delicate moisture levels and address targeted concerns. Ultimately, they differ in their primary active formulations and the specific skin types they serve best.

COSRX is a Korean skincare brand founded in 2013 and owned by Amorepacific Group since 2024.

koreajoongangdaily.combeautymatter.comprnewswire.com

Some By Mi is a Korean skincare brand founded in 2016 and owned by JKL Partners since 2021.

kedglobal.compreqin.comtracxn.com

This page compares some of the most popular COSRX and Some By Mi products; for every product of both brands, with a fit score for your own skin, use the Lovi app.

Popular COSRX vs Some By Mi products

People Say

COSRXSome By Mi
  • Texture and Absorption Mostly MentionedMostly Mentioned
    • “absorbs instantly like water — COSRX The 6 Peptide Skin Booster Serum”
    • “sinks in immediately — COSRX Advanced Snail Peptide Eye Cream”
    • “Skin became smoother — Some By Mi AHA-BHA-PHA 30 Days Miracle Toner”
    • “absorbs quickly — Some By Mi Yuja Niacin Brightening Moisture Gel Cream”
  • Gentle Formula Mostly MentionedOften Mentioned
    • “No stinging or irritation — COSRX BHA Blackhead Power Liquid”
    • “extremely gentle — COSRX AHA/BHA Clarifying Treatment Toner”
    • “Zero irritation or redness — Some By Mi Retinol Intense Reactivating Serum”
    • “cleared my cystic acne — Some By Mi AHA-BHA-PHA 30 Days Miracle Acne Clear Foam”
  • Acne and Pore Control Often MentionedMostly Mentioned
    • “Reduces pimples — Some By Mi AHA-BHA-PHA 30 Days Miracle Toner”
    • “cleared my cystic acne — Some By Mi AHA-BHA-PHA 30 Days Miracle Acne Clear Foam”
    • “flattened my cystic acne — Some By Mi AHA BHA PHA 30 Days Miracle Serum”
    • “helped to improve my acne after only 2 weeks — COSRX Salicylic Acid Daily Gentle Cleanser”
  • Hydration and Moisture Mostly MentionedOften Mentioned
    • “skin drinks it up — COSRX Advanced Snail 96 Mucin Power Essence”
    • “woke up with soft, supple skin — COSRX Advanced Snail 92 All in One Cream”
    • “gives a healthy glow — COSRX The 6 Peptide Skin Booster Serum”
    • “Lasts 100 hours as claimed — Some By Mi Beta Panthenol Repair Cream”
  • Soothing and Calming Sometimes NotedOften Mentioned
    • “Calmed my retinol burn overnight — Some By Mi Beta Panthenol Repair Cream”
    • “calm my redness — Some By Mi Snail Truecica Miracle Repair Serum”
    • “calmed my angry red skin — Some By Mi AHA BHA PHA 30 Days Miracle Serum”
    • “calms down my redness — COSRX Advanced Snail 96 Mucin Power Essence”
  • Brightening and Glow Not notedOften Mentioned
    • “Fades dark spots — Some By Mi Galactomyces Pure Vitamin C Glow Serum”
    • “skin looks visibly brighter — Some By Mi Yuja Niacin Anti Blemish Serum”
    • “brightens dull skin — Some By Mi Yuja Niacin Brightening Moisture Gel Cream”
  • Scent and Fragrance Issues Sometimes NotedOften Mentioned
    • “smells like chemicals — COSRX Low pH Good Morning Gel Cleanser”
    • “smells like onions — COSRX The Retinol 0.1 Cream”
    • “smells like tea tree/medicinal — COSRX Oil-Free Ultra-Moisturizing Lotion (with Birch Sap)”
    • “overwhelming citrus fragrance — Some By Mi V10 Hyal Air Fit Sunscreen”
  • Adverse Skin Reactions and Breakouts Sometimes NotedOften Mentioned
    • “burned my skin — COSRX Advanced Snail 96 Mucin Power Essence”
    • “gave me fungal acne — COSRX Advanced Snail 96 Mucin Power Essence”
    • “gave me tiny bumps — COSRX Low pH Good Morning Gel Cleanser”
    • “Zits appeared initially — Some By Mi AHA-BHA-PHA 30 Days Miracle Toner”
  • Dryness and Stripping Often MentionedSometimes Noted
    • “left my face tight — COSRX Low pH Good Morning Gel Cleanser”
    • “leaves skin feeling tight — COSRX Salicylic Acid Daily Gentle Cleanser”
    • “not moisturizing enough — Some By Mi Yuja Niacin Brightening Moisture Gel Cream”
    • “Skin felt tight — Some By Mi AHA-BHA-PHA 30 Days Miracle Toner”

COSRX vs Some By Mi routines for dry skin

Buy Some By Mi routine · $124.60 · 91% fitBuy COSRX routine · $128.96 · 87% fitSee multi-brand routine · 99% fit

COSRX vs Some By Mi routines for oily skin

Buy COSRX routine · $292.12 · 91% fitBuy Some By Mi routine · $232.30 · 87% fitSee multi-brand routine · 98% fit

COSRX vs Some By Mi routines for combination skin

Buy COSRX routine · $268.03 · 89% fitBuy Some By Mi routine · $232.30 · 88% fitSee multi-brand routine · 97% fit

Questions and answers

COSRX or Some By Mi: which is better?

Some By Mi is better for dry sensitive skin, skin with dark spots, and dry skin, while COSRX is better for oily and oily acne-prone skin. Both brands offer targeted routines with high compatibility across various skin types, but Some By Mi often leads in brightening and soothing results.

What is the difference between COSRX and Some By Mi?

COSRX and Some By Mi differ mainly in their formulation focus, with COSRX leaning toward hydration and moisture while Some By Mi excels in brightening and soothing. Lovi routine fit shows COSRX is superior for oily skin, whereas Some By Mi achieves a superior fit for dry sensitive skin and skin with dark spots.

COSRX or Some By Mi for dry skin?

Some By Mi is the better choice for dry skin, as the routine fit on this page is Superior compared to High for COSRX.

COSRX or Some By Mi: which cleanser is better?

When comparing cleansers, Some By Mi achieves a better review theme for acne and pore control across the products on this page. Lovi lists Some By Mi's Snail Truecica Miracle Repair Low pH Gel Cleanser as a Superior fit for sensitive, acne-prone, and mature skin types.

Which is more affordable, COSRX or Some By Mi?

The products on this page do not list pricing information, so a comparison of affordability between COSRX and Some By Mi cannot be determined from the available facts.

COSRX or Some By Mi: which brand performs better for hydration and moisture?

COSRX performs better for hydration and moisture among the products on this page. Reviewers often mention deep hydration and moisturization as a key strength for COSRX.

COSRX or Some By Mi: which brand is better for brightening and glow?

Some By Mi is better for brightening and glow because review themes on the products on this page rank it higher in that area. Niacinamide helps reduce skin pigmentation and suppress melanosome transfer.

The British Journal of Dermatology, 2002

COSRX or Some By Mi: which brand has fewer scent and fragrance issues?

COSRX does better than Some By Mi on scent and fragrance issues. The products on this page for COSRX feature only one item with fragrance.

COSRX or Some By Mi for oily skin?

COSRX is better for oily skin. Lovi rates the routine fit for oily skin as Superior for COSRX and High for Some By Mi.

COSRX or Some By Mi: which moisturizer is better?

Comparing the moisturizers on this page, COSRX is better for hydration and moisture, while Some By Mi does better with brightening and glow.

COSRX or Some By Mi for sensitive skin?

Some By Mi is the better brand for sensitive skin, as Lovi rates its routine as Superior compared to High for COSRX. Reviewers note that Some By Mi offers gentle and lightweight serums and effective acne-clearing treatments, while COSRX can occasionally cause adverse skin reactions and breakouts.

COSRX or Some By Mi: which sunscreen is better?

Both COSRX and Some By Mi offer sunscreens that perform well across skin types on this page, with formulas containing no fragrance except for the COSRX Vitamin E Vitalizing Sunscreen SPF 50+. Lovi rates the COSRX Ultra-Light Invisible Sunscreen and Aloe Soothing Sun Cream as High to Superior for sensitive and acne-prone skin, while the Some By Mi V10 Hyal Air Fit Sunscreen is rated High for all listed skin types including oily and sensitive skin.

COSRX or Some By Mi for acne-prone skin?

Both COSRX and Some By Mi fit acne-prone skin well, with Lovi fit levels of High for both brands on this page. COSRX offers superior oily acne-prone skin care on this page, while Some By Mi does better in acne and pore control.

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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