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COSRX vs Good Molecules

Rated by Lovi · Unbiased, science-based skincare AI trained on real user outcomes · How the Fit score works

COSRX and Good Molecules are beloved skincare brands offering thoughtfully formulated serums, moisturizers, cleansers, masks, eye products, and exfoliants. While the Korean brand harnesses hyaluronic acid, glycerin, and niacinamide to suit acne-prone and oily acne-prone skin best, the American brand relies on glycerin and hyaluronic acid to suit dry and acne-prone skin best. Ultimately, they differ through their distinct product lineups and specialized formulations that address diverse moisture, clarity, and blemish needs.

COSRX is a Korean skincare brand founded in 2013 and owned by Amorepacific Group since 2024.

koreajoongangdaily.combeautymatter.comprnewswire.com

Good Molecules is an American skincare brand founded in 2019 and owned by Beautylish, Inc..

beautymatter.comgoodmolecules.compitchbook.compreqin.com

This page compares some of the most popular COSRX and Good Molecules products; for every product of both brands, with a fit score for your own skin, use the Lovi app.

Popular COSRX vs Good Molecules products

People Say

COSRXGood Molecules
  • Texture and Absorption Mostly MentionedMostly Mentioned
    • “sinks in immediately — COSRX Advanced Snail Peptide Eye Cream”
    • “absorbs practically immediately — COSRX Oil-Free Ultra-Moisturizing Lotion (with Birch Sap)”
    • “absorbs quickly... zero irritation or tacky feeling — Good Molecules Discoloration Correcting Serum”
    • “absorbs instantly into skin — Good Molecules Lightweight Daily Moisturizer”
  • Soothing and Gentle Formulas Mostly MentionedOften Mentioned
    • “No stinging or irritation — COSRX BHA Blackhead Power Liquid”
    • “extremely gentle — COSRX AHA/BHA Clarifying Treatment Toner”
    • “perfect for first-time retinol users — COSRX The Retinol 0.1 Cream”
    • “no skin purging — Good Molecules Gentle Retinol Cream”
  • Affordability and Value Rarely NotedMostly Mentioned
    • “best value for money — Good Molecules Hyaluronic Acid Serum”
    • “great value — Good Molecules Niacinamide Serum”
    • “huge bottle — COSRX Advanced Snail Peptide Eye Cream”
  • Hydration and Moisture Mostly MentionedOften Mentioned
    • “skin drinks it up — COSRX Advanced Snail 96 Mucin Power Essence”
    • “absorbs instantly like water — COSRX The 6 Peptide Skin Booster Serum”
    • “woke up with soft, supple skin — COSRX Advanced Snail 92 All in One Cream”
    • “skin appears smooth and supple — Good Molecules Hyaluronic Acid Serum”
  • Acne and Pore Control Often MentionedOften Mentioned
    • “helped to improve my acne after only 2 weeks — COSRX Salicylic Acid Daily Gentle Cleanser”
    • “cleared up my spots — COSRX Low pH Good Morning Gel Cleanser”
    • “pores are much smaller — Good Molecules Niacinamide Serum”
    • “pores are visibly smaller — Good Molecules Niacinamide Brightening Toner”
  • Brightening and Glow Rarely NotedOften Mentioned
    • “scar on your chin doesn't look nearly as noticeable — Good Molecules Discoloration Correcting Serum”
    • “skin looks more radiant — Good Molecules Niacinamide Brightening Toner”
    • “Assassinates fine lines — Good Molecules Super Peptide Serum”
    • “diminished fine lines under eyes — COSRX The Retinol 0.1 Cream”
  • Packaging and Sizing Issues Often MentionedSometimes Noted
    • “only 20mls... significantly less product — COSRX The Hyaluronic Acid 3 Serum”
    • “tube is tiny — COSRX The Retinol 0.1 Cream”
    • “Metal tube cracks — Good Molecules Yerba Mate Wake Up Eye Gel”
    • “Hole is too big — Good Molecules Pineapple Exfoliating Powder”
  • Drying or Insufficient Moisture Often MentionedSometimes Noted
    • “left my face tight — COSRX Low pH Good Morning Gel Cleanser”
    • “leaves skin feeling tight — COSRX Salicylic Acid Daily Gentle Cleanser”
    • “dried my skin out — Good Molecules Hyaluronic Acid Serum”
    • “didn't do anything — Good Molecules Gentle Retinol Cream”
  • Slow or Ineffective Results Sometimes NotedSometimes Noted
    • “no change in circles — COSRX Advanced Snail Peptide Eye Cream”
    • “Takes a month to work — COSRX BHA Blackhead Power Liquid”
    • “didn't really see a difference — Good Molecules Discoloration Correcting Serum”
    • “completely clear so red shows — Good Molecules PIMPLE PATCHES”

COSRX vs Good Molecules routines for dry skin

See multi-brand routine · 98% fit

COSRX vs Good Molecules routines for oily skin

See multi-brand routine · 97% fit

COSRX vs Good Molecules routines for combination skin

See multi-brand routine · 96% fit

Questions and answers

COSRX or Good Molecules: which is better?

Both brands offer great options, but COSRX is a better fit for oily, sensitive, and dry sensitive skin, while Good Molecules is a better fit for dry and mature skin and skin with dark spots. Reviewers note that COSRX excels in soothing and gentle formulas and hydration, whereas Good Molecules stands out for affordability and brightening.

What is the difference between COSRX and Good Molecules?

COSRX is well suited for oily, acne-prone, and sensitive skin types, while Good Molecules is typically a great fit for dry skin, mature skin, and fading dark spots. Reviewers often mention COSRX for soothing formulas and deep hydration, whereas Good Molecules is frequently praised for affordable serums and brightening benefits.

COSRX or Good Molecules for dry skin?

Good Molecules has a Superior Lovi fit level for dry skin, making it a better match than COSRX, which has a High fit level. Reviewers mention that Good Molecules offers affordable and hydrating moisturizers for dry skin types.

COSRX or Good Molecules: which cleanser is better?

Both brands offer cleansers that are well-regarded, but COSRX is noted for doing better with soothing and gentle formulas. Its Advanced Snail Mucin Gel Cleanser achieves a superior Lovi fit level for sensitive and dry skin types.

Which is more affordable, COSRX or Good Molecules?

Good Molecules is the brand that does better for affordability and value, offering budget-friendly serums and moisturizers. Reviewers note that Good Molecules is mostly known for its affordable and great value serums and moisturizers.

COSRX or Good Molecules for oily skin?

For oily skin, Lovi finds that COSRX has a Superior routine fit while Good Molecules has a High fit.

COSRX or Good Molecules: which moisturizer is better?

Both COSRX and Good Molecules offer effective moisturizers, but they suit different needs. COSRX fits oily skin at a Superior level and dry skin at a High level, while Good Molecules achieves a Superior fit for dry skin and a High fit for oily skin.

COSRX or Good Molecules for sensitive skin?

For sensitive skin, COSRX is the better choice because Lovi rates its overall routine as Superior compared to High for Good Molecules. Reviewers also frequently note that COSRX provides soothing and gentle formulas.

COSRX or Good Molecules: which sunscreen is better?

Both brands offer highly rated sunscreens for various skin concerns on the products on this page. COSRX features options like the Ultra-Light Invisible Sunscreen, which is a Superior fit for acne-prone skin, while Good Molecules offers the Sheer Mineral Sunscreen SPF 30, rated as a Superior fit for dry sensitive skin and mature skin.

COSRX or Good Molecules for acne-prone skin?

Both COSRX and Good Molecules offer a Superior Lovi routine fit for acne-prone skin, with COSRX focusing heavily on snail mucin and gentle soothing ingredients while Good Molecules leans on affordable, targeted serums. Reviewers frequently note that COSRX helps with effective acne control and clearing, whereas Good Molecules is often praised for being budget-friendly and providing great value.

COSRX or Good Molecules for dry sensitive skin?

Good Molecules has a Superior Lovi fit level for dry sensitive skin, while COSRX has a High fit level. Hyaluronic acid helps maintain skin hydration.

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

COSRX or Good Molecules for mature skin?

Good Molecules provides a superior routine fit for mature skin on this page, while COSRX offers a high fit. Both brands feature products that help target signs of aging.

The Journal of Investigative Dermatology, 2000Archives of Dermatology, 2007

COSRX or Good Molecules for skin with dark spots?

For skin with dark spots, Good Molecules has a Superior routine fit, whereas COSRX has a High fit on the products on this page. Niacinamide helps reduce cutaneous pigmentation and suppress melanosome transfer.

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

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