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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 offering expertly formulated serums, moisturizers, cleansers, toners, and masks. The former incorporates hyaluronic acid, glycerin, and niacinamide to suit acne-prone and oily skin best, whereas the latter builds around niacinamide, centella asiatica, and salicylic acid to fit sensitive skin and skin with dark spots best. While both brands use key ingredients like niacinamide to decrease hyperpigmentation and improve aging signs, the first brand thoughtfully focuses on balancing, clarifying, and restorative components, and the second brand emphasizes gentle exfoliation and repair.

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 · 99% fit

COSRX vs Some By Mi routines for oily skin

See multi-brand routine · 96% 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?

COSRX performs better for hydration and moisture, while Some By Mi takes the lead for acne and pore control, soothing and calming, and brightening and glow based on the products on this page.

What is the difference between COSRX and Some By Mi?

COSRX and Some By Mi are both South Korean skincare brands founded in the 2010s, with COSRX focusing more on hydration, acne control, and soothing ingredients like snail mucin and centella asiatica, while Some By Mi emphasizes complexion brightening and exfoliation through products featuring multi-acid blends and niacinamide.

COSRX or Some By Mi for dry skin?

Some By Mi is the better fit for dry skin, offering a Superior routine compared to COSRX's High fit on this page.

COSRX or Some By Mi: which cleanser is better?

Both COSRX and Some By Mi offer cleansers with strong performance, but COSRX achieves a Superior Lovi fit level for sensitive skin, dry skin, and acne-prone skin with products like the Advanced Snail Mucin Gel Cleanser. Some By Mi excels in pore-cleansing power and brightening effects, with cleansers like the Snail Truecica Miracle Repair Low pH Gel Cleanser reaching a Superior fit for dark spots, mature skin, and combination skin.

Which is more affordable, COSRX or Some By Mi?

The provided page does not contain pricing or affordability information to compare COSRX and Some By Mi.

Between COSRX and Some By Mi, which brand performs better for managing dark spots?

Some By Mi performs better for managing dark spots, as the products on this page achieve a Superior routine fit for skin with dark spots compared to COSRX's High fit.

How do the foundation years and ownership 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 founded in South Korea in 2016 and is owned by JKL Partners.

Which brand has more products that list fragrance in their ingredients?

COSRX has more products that list fragrance in their ingredients, as 1 of its products on this page lists fragrance while Some By Mi lists none.

COSRX or Some By Mi for oily skin?

COSRX is the better choice for oily skin, offering a Superior routine fit compared to Some By Mi, which has a High routine fit for this skin type.

COSRX or Some By Mi: which moisturizer is better?

When it comes to moisturizers, COSRX fits better for hydration and moisture, while Some By Mi scores a Superior routine fit for dry sensitive skin and skin with dark spots on the products on this page.

COSRX or Some By Mi for sensitive skin?

Both COSRX and Some By Mi are well-suited for sensitive skin, with Lovi fit levels of Superior for both brands on this page. COSRX fits best for sensitive skin, while Some By Mi fits best for sensitive skin and dry sensitive skin.

COSRX or Some By Mi: which sunscreen is better?

COSRX and Some By Mi both offer sunscreens that are a High fit for all skin types on the products on this page. COSRX has a slightly broader selection of sunscreens, including the Aloe Soothing Sun Cream and the Vitamin E Vitalizing Sunscreen SPF 50+, while Some By Mi features the V10 Hyal Air Fit Sunscreen.

COSRX or Some By Mi for acne-prone skin?

COSRX is a better fit for acne-prone skin, as the products on this page achieve a Superior routine fit for this skin type compared to Some By Mi's 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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