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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 thoughtful arrays of serums, cleansers, toners, moisturizers, and more. COSRX is beloved for formulations featuring trusted ingredients like hyaluronic acid, glycerin, and niacinamide, which suit oily and acne-prone skin best by balancing excess oil and soothing irritation. In contrast, the second brand builds its products around niacinamide, centella asiatica, and salicylic acid to fit sensitive and dry sensitive skin best. While both brands target common concerns like acne, dark spots, and aging, they differ in their primary ingredients and ideal 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 · AED 485.71 · 87% fitBuy COSRX routine · AED 408.70 · 83% fitSee multi-brand routine · 96% fit

COSRX vs Some By Mi routines for oily skin

Buy COSRX routine · AED 581.27 · 91% fitBuy Some By Mi routine · AED 714.25 · 87% fitSee multi-brand routine · 97% fit

COSRX vs Some By Mi routines for combination skin

Buy COSRX routine · AED 475.50 · 89% fitBuy Some By Mi routine · AED 714.25 · 88% fitSee multi-brand routine · 96% 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 skin with dark spots. Reviewers note that COSRX provides superior hydration and moisture, while Some By Mi excels in acne and pore control, soothing, calming, brightening, and glow.

What is the difference between COSRX and Some By Mi?

COSRX tends to be better for hydration and moisture, while Some By Mi takes the lead for acne and pore control, soothing, and brightening. Both brands offer solid routines for sensitive skin, but COSRX is superior for oily and acne-prone skin, whereas Some By Mi shines 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 offers superior hydration and moisture, while Some By Mi features soothing and calming benefits.

COSRX or Some By Mi: which cleanser is better?

Some By Mi does better in acne and pore control review themes, while COSRX cleansers reach Lovi fit levels ranging from Low to Superior depending on the skin type.

Which is more affordable, COSRX or Some By Mi?

The products on this page do not list pricing information, so it is not possible to determine whether COSRX or Some By Mi is more affordable.

Which brand has fewer fragrance concerns, COSRX or Some By Mi?

Some By Mi is the better choice for avoiding fragrance concerns, as every product on the page lists no fragrance in its ingredients. In comparison, COSRX has a small number of products on this page with fragrance.

COSRX or Some By Mi for oily skin?

For oily skin, COSRX has a Superior routine fit, whereas Some By Mi has a High routine fit. COSRX fits oily skin best by its brand-focused routines.

COSRX or Some By Mi: which moisturizer is better?

When it comes to moisturizers, COSRX provides better hydration and moisture for the products on this page. Lovi rates the COSRX moisturizer routines as High for dry skin and Superior for oily acne-prone skin.

COSRX or Some By Mi for sensitive skin?

Both COSRX and Some By Mi fit sensitive skin at a Superior level on Lovi. COSRX features a routine with a High fit level for dry sensitive skin, while Some By Mi achieves a Superior fit level for dry sensitive skin.

COSRX or Some By Mi: which sunscreen is better?

For sunscreens on this page, COSRX features the Ultra-Light Invisible Sunscreen, Aloe Soothing Sun Cream, and Vitamin E Vitalizing Sunscreen SPF 50+, while Some By Mi offers the V10 Hyal Air Fit Sunscreen. Lovi gives both brands a High fit level for sunscreens across most skin types.

COSRX or Some By Mi for acne-prone skin?

For acne-prone skin, COSRX is a better fit with a Superior routine level compared to Some By Mi, which offers a High routine fit on this page.

COSRX or Some By Mi for skin with dark spots?

For skin with dark spots, Some By Mi is a better fit with a Superior routine level, while COSRX has a 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?

For dry sensitive skin, Some By Mi achieves a Superior Lovi fit level while COSRX reaches High. Some By Mi does better on this page for soothing and calming, and for brightening and glow, whereas COSRX provides better hydration and moisture.

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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