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Good Molecules vs Medik8

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

Good Molecules and Medik8 are skincare brands founded respectively in America in 2019 and Britain in 2009. The former is widely loved for serums, moisturizers, eye products, and exfoliants formulated with glycerin and hyaluronic acid, while the latter offers serums, moisturizers, eye products, and toners built around hyaluronic acid. Good Molecules suits combination skin and oily acne-prone skin best, as its balanced formulations address excess oil without heaviness. Ultimately, both brands differ through their distinct ownership and specific product lineups for addressing dark spots, mature skin, and acne.

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

beautymatter.comgoodmolecules.compitchbook.compreqin.com

Medik8 is a British skincare brand founded in 2009 and owned by L'Oréal Groupe since 2025.

loreal.commedik8.comtracxn.com

This page compares some of the most popular Good Molecules and Medik8 products; for every product of both brands, with a fit score for your own skin, use the Lovi app.

Popular Good Molecules vs Medik8 products

People Say

Good MoleculesMedik8
  • Gentle and soothing formula Often MentionedMostly Mentioned
    • “zero irritation or peeling — Medik8 CRYSTAL RETINAL 3”
    • “only Vitamin C my sensitive skin can tolerate — Medik8 C-Tetra Serum”
    • “Best retinol replacement — Medik8 Bakuchiol Peptides”
    • “no skin purging — Good Molecules Gentle Retinol Cream”
  • Affordable price and great value Mostly MentionedRarely Noted
    • “best value for money — Good Molecules Hyaluronic Acid Serum”
    • “great value — Good Molecules Niacinamide Serum”
    • “better value than Skinceuticals — Medik8 Super C Ferulic”
  • Lightweight and pleasant texture Often MentionedOften Mentioned
    • “absorbs quickly... zero irritation or tacky feeling — Good Molecules Discoloration Correcting Serum”
    • “absorbs instantly into skin — Good Molecules Lightweight Daily Moisturizer”
    • “absorbs almost instantly — Good Molecules Hyaluronic Acid Serum”
    • “absorbed effortlessly — Medik8 Total Moisture Daily Facial Cream”
  • Improves skin texture and smoothness Often MentionedOften Mentioned
    • “skin looks like brand new baby skin — Good Molecules Overnight Exfoliating Treatment”
    • “Leaves skin "baby soft," "super smooth," "polished feel" — Good Molecules Pineapple Exfoliating Powder”
    • “smoother skin — Medik8 Surface Radiance Cleanse”
    • “My skin was smoother, my skin texture felt more resurfaced. — Medik8 Sleep Glycolic”
  • Hydration and plumping Often MentionedOften Mentioned
    • “Restores moisture — Medik8 Liquid Peptides”
    • “Instantly quenched the skin — Medik8 Hydr8 B5 Intense”
    • “Reduces fine lines — Medik8 Liquid Peptides”
    • “skin appears smooth and supple — Good Molecules Hyaluronic Acid Serum”
  • Fades dark spots and brightens Often MentionedOften 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”
    • “I wake up glowing. It adds back that youthful bloom that I've lost. — Medik8 Sleep Glycolic”
    • “unlocked a serious glow — Medik8 C-Tetra Serum”
  • Slow, no, or ineffective results Sometimes NotedSometimes Noted
    • “didn't really see a difference — Good Molecules Discoloration Correcting Serum”
    • “No change in circles — Good Molecules Yerba Mate Wake Up Eye Gel”
    • “Not as effective as retinol — Medik8 Bakuchiol Peptides”
    • “no difference — Medik8 Oxy-R Peptides”
  • Packaging issues and design flaws Sometimes NotedSometimes Noted
    • “Metal tube cracks — Good Molecules Yerba Mate Wake Up Eye Gel”
    • “Hole is too big — Good Molecules Pineapple Exfoliating Powder”
    • “Glass bottle breaks easily — Medik8 Liquid Peptides”
    • “hard to get last bit — Medik8 CRYSTAL RETINAL 3”

Good Molecules vs Medik8 serums and treatments

Questions and answers

Good Molecules or Medik8: which is better?

Good Molecules is better for affordability and value, whereas Medik8 is better for gentle and soothing hydration and plumping. Reviewers note that Good Molecules offers budget-friendly serums and lightweight moisturizers, while Medik8 provides deep hydration and plumping with a more luxurious experience.

What is the difference between Good Molecules and Medik8?

Good Molecules and Medik8 differ mainly in price and formulation focus, as Good Molecules is recognized for its affordable and great value serums, while Medik8 is favored for its gentle and soothing formulas and deep hydration. Both brands are equal when it comes to fading dark spots and improving skin texture.

Good Molecules or Medik8: which cleanser is better?

Good Molecules offers better value with its affordable Cleansing Gel, whereas Medik8 provides a surface radiance cleanser that is especially well-suited for acne-prone skin.

Which is more affordable, Good Molecules or Medik8?

Good Molecules is more affordable, as reviewers mostly mention its affordable and great value serums and moisturizers, whereas reviewers often mention Medik8's high price point.

Which causes fewer breakouts, Good Molecules or Medik8?

Medik8 is noted for gentle and soothing formulas, whereas Good Molecules reviewers sometimes note breakouts from the products on this page.

Between Good Molecules and Medik8, which brand offers better hydration and plumping for the skin?

Medik8 is noted for offering better hydration and plumping for the skin. The products on this page help deliver deep hydration, backed by ingredients such as hyaluronic acid which helps improve skin quality and signs of aging.

Drug Delivery, 2017Dermatologic Therapy, 2022

How do the founding years and corporate ownerships of Good Molecules and Medik8 compare?

Good Molecules was founded in 2019 in the United States and is owned by Beautylish, Inc., whereas Medik8 was founded in 2009 in the United Kingdom and is owned by L'Oréal Groupe since 2025.

Which brand has more fragrance-free products across its lineup, Good Molecules or Medik8?

Good Molecules has more fragrance-free products on this page, as every single product from the brand lists no fragrance. Medik8 also offers mostly fragrance-free products, though one item includes fragrance.

Good Molecules or Medik8: which moisturizer is better?

Good Molecules offers affordable and hydrating moisturizers, whereas Medik8 is noted for deep hydration and plumping, with Hyaluronic acid featured across the products on this page to help improve skin quality and signs of aging.

Drug Delivery, 2017Dermatologic Therapy, 2022

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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