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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, and more, which harness proven components like hyaluronic acid, glycerin, and niacinamide. The Korean brand suits acne-prone skin and sensitive skin best with its gentle, targeted formulations, while the American brand suits dry skin and combination skin best due to its moisture-retaining products. Both brands differ primarily in their founding years, ownership, and specific ingredient concentrations tailored for distinct complexions.

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

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

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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 · 97% fit

COSRX vs Good Molecules routines for oily skin

See multi-brand routine · 95% 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 COSRX and Good Molecules perform well, with COSRX offering superior soothing and gentle formulas while Good Molecules excels in affordability and value. Reviewers note that COSRX is well-suited for acne-prone, sensitive, and oily skin types, whereas Good Molecules is designed to fit dry and combination skin effectively.

What is the difference between COSRX and Good Molecules?

COSRX is a South Korean brand founded in 2013 and known for soothing and gentle formulas, while Good Molecules is an American brand founded in 2019 that offers great value serums and targets concerns like dark spots. Both brands feature fragrance-free options across the products on this page.

COSRX or Good Molecules for dry skin?

Good Molecules is a Superior fit for dry skin, while COSRX offers a High fit for this skin type. Hyaluronic acid helps bind moisture to the skin to improve hydration.

Journal of Pharmacy & Pharmaceutical Sciences, 2015

COSRX or Good Molecules: which cleanser is better?

Both COSRX and Good Molecules offer cleansers with strong product options depending on skin type, with COSRX particularly fitting acne-prone and sensitive skin and Good Molecules excelling for dry skin. For instance, the COSRX Advanced Snail Mucin Gel Cleanser achieves a Superior Lovi fit level for sensitive, acne-prone, dry, and dry sensitive skin, while the Good Molecules Hydrating Facial Cleansing Gel provides a High Lovi fit level for dry and sensitive skin.

Which is more affordable, COSRX or Good Molecules?

Good Molecules is more affordable, as reviewers mostly mention it for its affordable and great value serums and moisturizers. COSRX reviewers sometimes note small bottle sizes or quantities as a drawback.

Which brand performs better for soothing and gentle formulas, COSRX or Good Molecules?

COSRX performs better for soothing and gentle formulas on the products on this page. Reviewers note that COSRX offers particularly gentle and non-irritating care, making it well-suited for sensitive skin types.

Which brand has better brightening and glow results, COSRX or Good Molecules?

Good Molecules has better brightening and glow results compared to COSRX. The products on this page help improve skin texture and fade dark spots, and topical niacinamide may further reduce cutaneous pigmentation and suppress melanosome transfer.

The British Journal of Dermatology, 2002Antioxidants, 2021

How do the founding years and countries of origin compare between COSRX and Good Molecules?

COSRX was founded in 2013 in South Korea, whereas Good Molecules was established later in 2019 in the United States.

COSRX or Good Molecules for oily skin?

Good Molecules has a Superior routine fit for oily skin, whereas COSRX has a High fit level.

COSRX or Good Molecules: which moisturizer is better?

Good Molecules offers a superior routine fit for dry skin compared to COSRX, which has a high fit for dry skin. Both brands provide affordable and hydrating moisturizers, though COSRX is often noted for deep hydration and moisturization.

COSRX or Good Molecules for sensitive skin?

Both COSRX and Good Molecules offer a Superior Lovi routine fit for sensitive skin. COSRX is noted for soothing and gentle formulas, while Good Molecules features fragrance-free products.

COSRX or Good Molecules: which sunscreen is better?

Good Molecules offers a Sheer Mineral Sunscreen SPF 30 with a Lovi fit level of Superior for dry sensitive skin, dry skin, sensitive skin, skin with dark spots, and mature skin. COSRX provides the Ultra-Light Invisible Sunscreen and the Aloe Soothing Sun Cream, which also show strong performance across multiple skin types on the page.

COSRX or Good Molecules for acne-prone skin?

Both brands are a strong fit for acne-prone skin, with Lovi rating COSRX as Superior and Good Molecules as Superior. Reviewers note that COSRX helps with effective acne control and clearing, while Good Molecules helps fade dark spots and improve skin texture.

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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