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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, moisturizers, and more. COSRX features hyaluronic acid, glycerin, and niacinamide to suit acne-prone and oily acne-prone skin best, while Some By Mi utilizes niacinamide, centella asiatica, and salicylic acid to suit sensitive skin and skin with dark spots best. Both brands formulate targeted products for specific concerns, but they differ in their foundational ingredient combinations and primary skin type recommendations.

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 · SAR 1,130.72 · 84% fitBuy COSRX routine · SAR 690.19 · 83% fitSee multi-brand routine · 96% fit

COSRX vs Some By Mi routines for oily skin

Buy COSRX routine · SAR 843.29 · 90% fitBuy Some By Mi routine · SAR 1,138.39 · 87% fitSee multi-brand routine · 97% fit

COSRX vs Some By Mi routines for combination skin

Buy COSRX routine · SAR 735.92 · 89% fitBuy Some By Mi routine · SAR 1,118.78 · 87% fitSee multi-brand routine · 97% fit

Questions and answers

COSRX or Some By Mi: which is better?

Both COSRX and Some By Mi have products on this page that perform well, with COSRX having a Superior routine fit for oily skin and acne-prone skin, while Some By Mi offers a Superior fit for dry sensitive skin and skin with dark spots. Reviewers note that COSRX excels in hydration and moisture, whereas Some By Mi takes the lead in acne and pore control, soothing and calming, and brightening and glow.

What is the difference between COSRX and Some By Mi?

COSRX is owned by Amorepacific Group and leans into hydration and moisture, while Some By Mi is owned by JKL Partners and performs better for acne and pore control, soothing, and brightening. For specific routines, COSRX has a Superior fit level for oily skin, acne-prone skin, and oily acne-prone skin, whereas Some By Mi has a Superior fit level for skin with dark spots and dry sensitive skin.

COSRX or Some By Mi for dry skin?

Both COSRX and Some By Mi achieve a High routine fit level for dry skin on the products on this page. COSRX tends to bring better hydration and moisture, while Some By Mi features a high-performing selection with key ingredients like hyaluronic acid and panthenol that may help support skin quality.

Journal of Pharmacy & Pharmaceutical Sciences, 2015Dermatologic Therapy, 2022

COSRX or Some By Mi: which cleanser is better?

Comparing the products on this page, both COSRX and Some By Mi offer popular cleansers with specific strengths. Some By Mi excels in deep pore cleansing cleansers, while COSRX features options like the Advanced Snail Mucin Gel Cleanser which rates as Superior for sensitive, acne-prone, dry, and combination skin.

Which is more affordable, COSRX or Some By Mi?

This public Lovi page compares COSRX and Some By Mi, but it does not provide pricing or affordability information for either brand.

COSRX or Some By Mi: which brand is better for managing skin with dark spots?

Some By Mi is better for skin with dark spots, achieving a Superior Lovi fit level for this skin type while COSRX reaches a High level. Reviewers on the products on this page note that Some By Mi excels specifically in complexion brightening and smoothing textures.

The British Journal of Dermatology, 2002Antioxidants, 2021

COSRX or Some By Mi: which brand is better for dry sensitive skin?

For dry sensitive skin, Lovi rates Some By Mi as Superior and COSRX as High. Some By Mi performs better on this page for soothing and calming, while COSRX offers stronger hydration and moisture.

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

Some By Mi performs better for acne and pore control, as the products on this page excel in acne-clearing treatments and pore cleansing.

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. Lovi rates the routine fit for oily skin as Superior for COSRX and High for Some By Mi.

COSRX or Some By Mi: which moisturizer is better?

COSRX is better for hydration and moisture among the moisturizers on this page. Both brands offer high routine fit levels for dry skin, but COSRX is noted for superior hydration.

COSRX or Some By Mi for sensitive skin?

Both COSRX and Some By Mi fit sensitive skin at a Superior level on this page. COSRX features gentle, fragrance-free products, while Some By Mi offers targeted brightening and soothing care.

COSRX or Some By Mi: which sunscreen is better?

For sunscreens on this page, COSRX offers options like the Ultra-Light Invisible Sunscreen and Aloe Soothing Sun Cream, while Some By Mi offers the V10 Hyal Air Fit Sunscreen. Both brands provide sunscreens that achieve a High fit level for various skin types such as dry, oily, and sensitive skin.

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's High fit level. The products on this page for COSRX are noted for effective acne control and clearing.

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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