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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 popular Korean skincare brands known for their targeted serums, cleansers, toners, and moisturizers that utilize proven ingredients like hyaluronic acid, glycerin, niacinamide, centella asiatica, and salicylic acid. The first brand suits acne-prone and oily acne-prone skin best through formulations that address blemishes effectively, while the second brand fits dry sensitive and dry skin best. Both brands differ in their foundational ingredients, as COSRX harnesses hyaluronic acid and glycerin for hydration and barrier support, whereas Some By Mi relies on salicylic acid and centella asiatica to maintain clarity and soothe the complexion.

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

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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

See multi-brand routine · 98% fit

COSRX vs Some By Mi routines for oily skin

See multi-brand routine · 97% fit

COSRX vs Some By Mi routines for combination skin

See multi-brand routine · 96% fit

Questions and answers

COSRX or Some By Mi: which is better?

Both brands are great, but Some By Mi is better for dry sensitive skin, while COSRX is better for oily acne-prone skin. Some By Mi excels in acne and pore control, soothing, and brightening, whereas COSRX is favored for hydration and moisture.

What is the difference between COSRX and Some By Mi?

Some By Mi is better for acne and pore control, soothing, and brightening, while COSRX is better for hydration and moisture. The products on this page from Some By Mi are best for dry sensitive skin, dry skin, and sensitive skin, while COSRX focuses best on acne-prone skin, oily acne-prone skin, and oily skin.

COSRX or Some By Mi for dry skin?

Some By Mi is the better choice for dry skin, as Lovi rates its routine fit as Superior compared to High for COSRX. The products on this page for Some By Mi also focus heavily on hydration and moisture, making them well-suited for dry skin types.

COSRX or Some By Mi: which cleanser is better?

Both COSRX and Some By Mi offer well-liked cleansers on the products on this page, but they cater to different needs. Some By Mi excels in deep pore cleansing cleansers, while COSRX cleansers are frequently noted for gentle application.

Which is more affordable, COSRX or Some By Mi?

The products on this page do not list pricing information, so it is not possible to determine whether COSRX or Some By Mi is more affordable.

Between COSRX and Some By Mi, which brand performs better for hydration and moisture according to review themes?

According to the review themes on this page, COSRX performs better than Some By Mi for hydration and moisture.

Which brand has more products containing fragrance, COSRX or Some By Mi?

COSRX has more products containing fragrance, with one product listing fragrance compared to zero for Some By Mi.

How do the foundation years and ownership of COSRX and Some By Mi compare?

COSRX was founded in South Korea in 2013 and has been owned by Amorepacific Group since 2024. Some By Mi was founded in South Korea in 2016 and is owned by JKL Partners.

COSRX or Some By Mi for oily skin?

For oily skin, COSRX fits better with a Superior routine level compared to Some By Mi's High level. COSRX features specific products like the Oil-Free Ultra-Moisturizing Lotion and Two In One Poreless Power Liquid that achieve a Superior fit for oily skin.

COSRX or Some By Mi: which moisturizer is better?

Both COSRX and Some By Mi offer well-liked moisturizers on the products on this page, but they cater to different skin needs. Reviewers find that COSRX excels in hydration and moisture, while Some By Mi provides superior brightening and soothing benefits.

COSRX or Some By Mi for sensitive skin?

Both COSRX and Some By Mi fit sensitive skin with a Superior level according to Lovi. Reviewers note that both brands offer gentle and lightweight formulas, though reviewers mention that Some By Mi products may sometimes cause sensitivity.

COSRX or Some By Mi: which sunscreen is better?

Both brands offer sunscreens with a Lovi fit level of High across all or nearly all skin types on this page. COSRX has 37 out of 38 products listing no fragrance, with only its Vitamin E Vitalizing Sunscreen SPF 50+ containing fragrance, whereas every product on the Some By Mi page lists no fragrance.

COSRX or Some By Mi for acne-prone skin?

COSRX is a better fit for acne-prone skin, achieving a Superior routine fit compared to Some By Mi which has a High fit level.

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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