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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 that offer serums, moisturizers, cleansers, masks, and toners formulated with proven ingredients like niacinamide, hyaluronic acid, glycerin, centella asiatica, and salicylic acid. The first brand suits acne-prone skin and oily acne-prone skin best through targeted formulations that address specific blemishes effectively, while Some By Mi fits skin with dark spots and dry sensitive skin best. Both brands differ primarily in their founding years, ownership, and the specific combinations of key ingredients they utilize to benefit the complexion remarkably.

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

See multi-brand routine · 99% fit

COSRX vs Some By Mi routines for oily skin

See multi-brand routine · 95% fit

COSRX vs Some By Mi routines for combination skin

See multi-brand routine · 95% 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 sensitive skin, where Lovi rates its routine fit as Superior, compared to High for COSRX. COSRX is better for acne-prone skin and oily acne-prone skin, where its routine fit is Superior, compared to High for Some By Mi.

What is the difference between COSRX and Some By Mi?

COSRX and Some By Mi are both South Korean skincare brands, with COSRX offering better hydration and moisture while Some By Mi excels at soothing, calming, and brightening the complexion. For routine fit, Lovi rates Some By Mi as Superior for dry sensitive skin, sensitive skin, skin with dark spots, and dry skin, whereas COSRX achieves Superior ratings for acne-prone skin and oily acne-prone skin.

COSRX or Some By Mi for dry skin?

Some By Mi has a Superior routine fit for dry skin, whereas COSRX achieves a High fit level for this skin type.

COSRX or Some By Mi: which cleanser is better?

When comparing cleansers from the products on this page, both COSRX and Some By Mi offer options that help with deep cleansing, but they cater differently to various skin types. For instance, the COSRX Advanced Snail Mucin Gel Cleanser is rated as a Superior fit for sensitive, acne-prone, dry, dry sensitive, and combination skin, while Some By Mi features options like the Snail Truecica Miracle Repair Low pH Gel Cleanser which is rated as a Superior fit for acne-prone skin, combination skin, skin with dark spots, and mature skin.

Which is more affordable, COSRX or Some By Mi?

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

Between COSRX and Some By Mi, which brand does better for brightening and glow?

Some By Mi does better than COSRX for brightening and glow. Niacinamide helps reduce cutaneous pigmentation and suppress melanosome transfer.

The British Journal of Dermatology, 2002Antioxidants, 2021

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

COSRX was founded in South Korea in 2013 and is owned by Amorepacific Group, whereas Some By Mi was established in South Korea in 2016 and is owned by JKL Partners.

Which brand performs better for soothing and calming according to the review themes?

Some By Mi performs better for soothing and calming according to the review themes.

COSRX or Some By Mi for oily skin?

Both COSRX and Some By Mi offer a High routine fit for oily skin. Review themes show that both brands provide equal levels of texture, absorption, and dryness.

COSRX or Some By Mi: which moisturizer is better?

Both COSRX and Some By Mi offer moisturizers, with COSRX leaning toward hydration and moisture while Some By Mi excels in brightening and soothing. The products on this page feature key ingredients like hyaluronic acid and niacinamide, which help improve skin quality and hydration.

Journal of Pharmacy & Pharmaceutical Sciences, 2015The British Journal of Dermatology, 2002

COSRX or Some By Mi for sensitive skin?

For sensitive skin, Some By Mi has a Superior Lovi fit level, whereas COSRX has a High Lovi fit level.

COSRX or Some By Mi: which sunscreen is better?

Some By Mi is well-suited for multiple skin types with its V10 Hyal Air Fit Sunscreen, which has a High fit level for oily, acne-prone, sensitive, dry, mature, and combination skin as well as skin with dark spots. COSRX also offers sunscreens with High fit levels across similar skin types, including its Ultra-Light Invisible Sunscreen, Aloe Soothing Sun Cream, and Vitamin E Vitalizing Sunscreen SPF 50+.

COSRX or Some By Mi for acne-prone skin?

For acne-prone skin, COSRX fits better than Some By Mi, earning a Superior routine fit compared to a High fit for Some By Mi. The products on this page for COSRX are well-regarded for effective acne control and clearing, alongside deep hydration and moisturization.

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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