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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, cleansers, toners, and moisturizers. COSRX relies on hyaluronic acid, glycerin, and niacinamide to suit oily and sensitive skin best, whereas Some By Mi utilizes niacinamide, centella asiatica, and salicylic acid to fit skin with dark spots and dry sensitive skin. While the former brand balances moisture and soothes irritation through targeted formulations, the latter brand focuses heavily on maintaining skin clarity and reducing hyperpigmentation.

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 · A$222.98 · 93% fitBuy COSRX routine · A$239.37 · 91% fitSee multi-brand routine · 97% fit

COSRX vs Some By Mi routines for oily skin

Buy COSRX routine · A$330.57 · 92% fitBuy Some By Mi routine · A$301.59 · 88% fitSee multi-brand routine · 96% fit

COSRX vs Some By Mi routines for combination skin

Buy COSRX routine · A$311.08 · 89% fitBuy Some By Mi routine · A$224.16 · 88% fitSee multi-brand routine · 95% fit

Questions and answers

COSRX or Some By Mi: which is better?

COSRX and Some By Mi both fit dry skin, sensitive skin, dry sensitive skin, combination skin, and mature skin at equal levels, while COSRX fits oily skin, acne-prone skin, and oily acne-prone skin at Superior levels compared to Some By Mi's High levels. Some By Mi provides a Superior fit for skin with dark spots, whereas COSRX achieves a High level for that skin type.

What is the difference between COSRX and Some By Mi?

COSRX is founded in 2013 in South Korea and owned by Amorepacific Group since 2024, whereas Some By Mi is founded in 2016 in South Korea and owned by JKL Partners since 2021. For the products on this page, COSRX focuses more on hydration and moisture, while Some By Mi scores better for acne and pore control, soothing, and brightening.

COSRX or Some By Mi for dry skin?

Both COSRX and Some By Mi fit dry skin equally well, as Lovi rates the routine fit for both brands as Superior on this page. Reviewers report that COSRX delivers better hydration and moisture, while Some By Mi excels in soothing, calming, and brightening.

COSRX or Some By Mi: which cleanser is better?

Comparing the cleansers on this page, COSRX fits sensitive, acne-prone, dry, and dry sensitive skin at a Superior level, while Some By Mi offers cleansers with deep pore cleansing and effective acne-clearing treatments. Both brands provide gentle formulas, but COSRX is Lovi fit best for oily, sensitive, and dry sensitive skin overall.

Which is more affordable, COSRX or Some By Mi?

This public Lovi page does not provide pricing or affordability information for either COSRX or Some By Mi.

COSRX or Some By Mi for brightening and glow?

Some By Mi is better for brightening and glow as it does better on this review theme than COSRX.

COSRX or Some By Mi for oily skin?

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

COSRX or Some By Mi: which moisturizer is better?

Both COSRX and Some By Mi offer moisturizers with a High fit level for many skin types, though COSRX is noted for hydration and moisture while Some By Mi excels in brightening and glow. The products on this page feature key ingredients like hyaluronic acid, niacinamide, and panthenol that help improve skin quality.

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

COSRX or Some By Mi for sensitive skin?

Both COSRX and Some By Mi fit sensitive skin at a Superior level on this page. Reviewers report that both brands provide gentle and soothing formulas, although COSRX generally offers better hydration and moisture.

COSRX or Some By Mi: which sunscreen is better?

Both COSRX and Some By Mi offer sunscreens with High Lovi fit levels for nearly all skin types on the products on this page. COSRX provides options like the Ultra-Light Invisible Sunscreen and Aloe Soothing Sun Cream, while Some By Mi offers the V10 Hyal Air Fit Sunscreen.

COSRX or Some By Mi for acne-prone skin?

COSRX is the better choice for acne-prone skin because the routine fit on this page is Superior, whereas Some By Mi has a High fit level.

COSRX or Some By Mi for skin with dark spots?

Some By Mi is better for skin with dark spots, as the products on this page achieve a Superior fit for that concern compared to COSRX's High fit level. Niacinamide helps reduce cutaneous pigmentation and suppress melanosome transfer.

The British Journal of Dermatology, 2002Antioxidants, 2021

COSRX or Some By Mi for dry sensitive skin?

Both COSRX and Some By Mi provide a Superior routine fit for dry sensitive skin. The products on this page for both brands feature key ingredients like niacinamide and centella asiatica, which help soothe and calm irritated skin.

The British Journal of Dermatology, 2002Antioxidants, 2021

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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