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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 esteemed Korean skincare brands offering thoughtful arrays of serums, moisturizers, cleansers, toners, and masks. The former utilizes trusted ingredients like hyaluronic acid, glycerin, and niacinamide to suit oily and acne-prone skin best, while the latter builds around niacinamide, centella asiatica, and salicylic acid to fit dry and dry sensitive skin. They differ primarily in their core formulation approaches and ideal skin types, with both delivering targeted solutions for acne, dark spots, and mature skin through precise active components.

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 · CA$333.73 · 96% fitBuy COSRX routine · CA$218.38 · 91% fitSee multi-brand routine · 99% fit

COSRX vs Some By Mi routines for oily skin

Buy COSRX routine · CA$288.29 · 92% fitBuy Some By Mi routine · CA$315.33 · 89% fitSee multi-brand routine · 96% fit

COSRX vs Some By Mi routines for combination skin

Buy COSRX routine · CA$271.24 · 91% fitBuy Some By Mi routine · CA$300.34 · 91% fitSee multi-brand routine · 96% fit

Questions and answers

COSRX or Some By Mi: which is better?

COSRX and Some By Mi are both South Korean skincare brands founded in the 2010s that offer specialized routines for various skin types. According to the products on this page, COSRX fits oily and acne-prone skin best, while Some By Mi fits dry and sensitive skin best.

What is the difference between COSRX and Some By Mi?

COSRX is owned by Amorepacific Group and fits oily, acne-prone, and dry skin best, whereas Some By Mi is owned by JKL Partners and fits dry, dry sensitive, and sensitive skin best.

COSRX or Some By Mi for dry skin?

Both COSRX and Some By Mi are well suited for dry skin, as Lovi rates their routines as Superior. The products on this page for both brands feature key ingredients like hyaluronic acid and glycerin to help deliver deep hydration.

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

COSRX or Some By Mi: which cleanser is better?

Both COSRX and Some By Mi offer well-liked cleansers, but Some By Mi does better in acne and pore control. Lovi rates the routine fit for cleansers and other products as Superior for COSRX on oily skin, while Some By Mi reaches a High level for oily 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 brightening and glow?

Some By Mi performs better than COSRX for brightening and glow. Niacinamide helps reduce cutaneous pigmentation and suppresses melanosome transfer, contributing to this complexion brightening effect.

The British Journal of Dermatology, 2002Antioxidants, 2021

How do COSRX and Some By Mi compare regarding scent and fragrance issues?

COSRX does better than Some By Mi regarding scent and fragrance issues. While 37 of 38 COSRX products on this page list no fragrance, review themes indicate that scent and fragrance issues are more frequently associated with COSRX.

Which brand has a better routine fit for mature skin, COSRX or Some By Mi?

Some By Mi provides a Superior routine fit for mature skin, whereas COSRX has a High fit for this skin type.

COSRX or Some By Mi for oily skin?

COSRX is the better choice for oily skin, as Lovi rates its routine as Superior compared to High for Some By Mi. COSRX features key ingredients like niacinamide and salicylic acid, which help control excess oil and clear pores.

The British Journal of Dermatology, 2002Antioxidants, 2021

COSRX or Some By Mi: which moisturizer is better?

Comparing moisturizers from both brands on this page, COSRX features options like the Advanced Snail 92 All in One Cream that fits dry skin and sensitive skin at a Superior level, while Some By Mi offers moisturizers such as the Yuja Niacin Brightening Moisture Gel Cream with Superior fit levels for dry skin and acne-prone skin.

COSRX or Some By Mi for sensitive skin?

Both COSRX and Some By Mi fit sensitive skin equally well, as Lovi rates both brands as having a Superior routine fit for sensitive skin.

COSRX or Some By Mi: which sunscreen is better?

Both brands offer sunscreens where Lovi rates the fit as High across multiple skin types, including the COSRX Ultra-Light Invisible Sunscreen and the Some By Mi V10 Hyal Air Fit Sunscreen.

COSRX or Some By Mi for acne-prone skin?

For acne-prone skin, COSRX fits better with a Superior routine level compared to Some By Mi's High level. Both brands provide effective acne-clearing treatments and target pores well on the products on this page.

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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