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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 thoughtful arrays of serums, cleansers, toners, moisturizers, and masks. The former brand is formulated with hyaluronic acid, glycerin, and niacinamide to suit oily acne-prone skin and oily skin best, while the latter brand is built around niacinamide, centella asiatica, and salicylic acid to fit dry skin and skin with dark spots best. Both offer distinct standout products for particular concerns, such as acne-prone skin, dark spots, and mature skin. Ultimately, the brands differ through their unique key ingredients and targeted skin types.

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 · S$102.62 · 91% fitBuy COSRX routine · S$41.07 · 89% fitSee multi-brand routine · 99% fit

COSRX vs Some By Mi routines for oily skin

Buy COSRX routine · S$130.21 · 90% fitBuy Some By Mi routine · S$135.66 · 86% fitSee multi-brand routine · 96% fit

COSRX vs Some By Mi routines for combination skin

Buy COSRX routine · S$130.21 · 88% fitBuy Some By Mi routine · S$135.66 · 87% fitSee multi-brand routine · 97% fit

Questions and answers

COSRX or Some By Mi: which is better?

COSRX is better for oily and acne-prone skin types, whereas Some By Mi is better for dry, sensitive skin and dark spots. Both brands offer targeted routines with gentle ingredients like Centella asiatica and niacinamide to help improve skin clarity and moisture.

The British Journal of Dermatology, 2002Antioxidants, 2021

What is the difference between COSRX and Some By Mi?

COSRX is better suited for oily and acne-prone skin types, whereas Some By Mi tends to excel for dry, sensitive skin and dark spots. The products on this page show that COSRX focuses heavily on snail mucin and gentle hydration, while Some By Mi utilizes multi-acid formulations and brighteners like niacinamide to help improve complexion.

The British Journal of Dermatology, 2002Antioxidants, 2021

COSRX or Some By Mi for dry skin?

For dry skin, Some By Mi achieves a Superior routine fit, whereas COSRX achieves a High routine fit on the products on this page. Some By Mi performs better for dry skin, while COSRX delivers stronger hydration and moisture.

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 with ingredients like salicylic acid and snail mucin. Some By Mi stands out for acne and pore control, while COSRX focuses on deep hydration and moisture.

Which is more affordable, COSRX or Some By Mi?

The products on this page for both COSRX and Some By Mi do not list pricing information, so the page cannot determine which brand is more affordable.

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

Some By Mi does better for brightening and glow among the products on this page. Niacinamide helps reduce cutaneous 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 has fewer scent and fragrance issues than Some By Mi. According to the products on this page, COSRX has 37 out of 38 products listing no fragrance, with only the Vitamin E Vitalizing Sunscreen SPF 50+ containing fragrance.

COSRX or Some By Mi: which brand performs better for acne and pore control?

Some By Mi performs better for acne and pore control on the products on this page. Reviewers note that Some By Mi offers effective acne-clearing treatments and deep pore cleansing cleansers.

COSRX or Some By Mi for oily skin?

COSRX is the better brand for oily skin, as Lovi rates its overall routine fit as Superior while Some By Mi rates as High. Reviewers note that COSRX excels in hydration and moisture, and the products on this page frequently use ingredients like niacinamide and salicylic acid to help manage excess oil.

The British Journal of Dermatology, 2002Antioxidants, 2021

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, with COSRX known for strong hydration and Some By Mi performing better for brightening and soothing. Reviewers often mention that COSRX provides deep hydration while Some By Mi excels in complexion brightening.

COSRX or Some By Mi for sensitive skin?

Some By Mi is the better choice for sensitive skin, as Lovi rates its routine as Superior compared to High for COSRX. Some By Mi relies on ingredients like centella asiatica and niacinamide, which help soothe skin and reduce pigmentation.

The British Journal of Dermatology, 2002Antioxidants, 2021

COSRX or Some By Mi: which sunscreen is better?

Both COSRX and Some By Mi offer sunscreens with High Lovi fit levels for acne-prone skin, sensitive skin, and oily skin, making them similarly suitable for these skin types. The products on this page for both brands feature lightweight formulas that help protect the skin without feeling heavy.

COSRX or Some By Mi for acne-prone skin?

For acne-prone skin, COSRX fits better overall. The products on this page show that COSRX has a Superior routine fit for this skin type.

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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