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Kiehl's vs Medik8

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

Kiehl's and Medik8 are skincare brands known for offering nourishing moisturizers, targeted serums, soothing toners, and gentle eye products. Kiehl's uses glycerin and squalane to suit dry skin and mature skin best, while Medik8 builds its products around hyaluronic acid. Both brands differ in their foundational ingredients and regional origins, allowing readers to choose formulations that address their unique complexion needs.

Kiehl's is an American skincare brand founded in 1851 and owned by L'Oréal S.A. since 2000.

loreal.comen.wikipedia.org

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 Kiehl's and Medik8 products; for every product of both brands, with a fit score for your own skin, use the Lovi app.

Popular Kiehl's vs Medik8 products

People Say

Kiehl'sMedik8
  • Gentle on Sensitive Skin 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”
    • “experienced zero irritation — Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum”
  • Deep Hydration and Moisture Mostly MentionedOften Mentioned
    • “Keeps skin moisturized for 24+ hours — Kiehl's Ultra Facial Cream”
    • “Feels like a drink of water — Kiehl's Hydro-Plumping Serum Concentrate”
    • “savior for dry patches — Kiehl's Creamy Eye Treatment with Avocado”
    • “Restores moisture — Medik8 Liquid Peptides”
  • Improves Skin Barrier and Texture Often MentionedOften Mentioned
    • “smoother skin — Medik8 Surface Radiance Cleanse”
    • “My skin was smoother, my skin texture felt more resurfaced. — Medik8 Sleep Glycolic”
    • “skin feels baby soft — Medik8 CRYSTAL RETINAL 3”
    • “leaves skin feeling silky — Kiehl's Powerful-Strength Line-Reducing Concentrate”
  • Lightweight and Non-Greasy Texture Often MentionedOften Mentioned
    • “feels like nothing — Kiehl's Better Screen UV Serum”
    • “absorbs instantly without residue — Kiehl's Ultra Facial Oil-Free Gel Cream”
    • “Absorbs quickly — Kiehl's Ultra Facial Cream”
    • “absorbed effortlessly — Medik8 Total Moisture Daily Facial Cream”
  • Fades Dark Spots and Brightens Sometimes NotedOften Mentioned
    • “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”
    • “pigmentation lightened slightly — Medik8 Oxy-R Peptides”
    • “Acne marks are gone — Kiehl's Clearly Corrective™ Dark Spot Solution”
  • No White Cast and Glowing Finish Sometimes NotedSometimes Noted
    • “works on dark skin — Kiehl's Better Screen UV Serum”
    • “doubles as moisturizer — Kiehl's Better Screen UV Serum”
    • “Leaves skin looking glass-like and radiant — Medik8 Press & Glow”
    • “brightens skin — Medik8 Surface Radiance Cleanse”
  • High Price Point and Poor Value Mostly MentionedOften Mentioned
    • “Expensive per bottle — Medik8 Liquid Peptides”
    • “very expensive for amount — Medik8 CRYSTAL RETINAL 3”
    • “hefty price tag — Medik8 C-Tetra Serum”
    • “pricy daily staple — Kiehl's Ultra Facial Cream”
  • Ineffective or Slow Results Sometimes NotedSometimes Noted
    • “Did absolutely nothing — Kiehl's Clearly Corrective™ Dark Spot Solution”
    • “Takes months to see — Kiehl's Clearly Corrective™ Dark Spot Solution”
    • “Not as effective as retinol — Medik8 Bakuchiol Peptides”
    • “no difference — Medik8 Oxy-R Peptides”
  • Greasy or Oily Residue Sometimes NotedRarely Noted
    • “too oily for my combination skin — Medik8 C-Tetra Serum”
    • “Oily texture unpleasant — Medik8 Bakuchiol Peptides”
    • “too oily — Medik8 Super C Ferulic”
    • “oil slick in summer — Kiehl's Ultra Facial Cream”

Kiehl's vs Medik8 serums and treatments

Questions and answers

Kiehl's or Medik8: which is better?

Medik8 does better for fading dark spots and improving the skin barrier, while Kiehl's is better for deep hydration and lightweight texture.

What is the difference between Kiehl's and Medik8?

Medik8 tends to do better on sensitive skin, skin barrier and texture improvement, and brightening dark spots, while Kiehl's is noted for deep hydration, moisture, and lightweight, non-greasy textures.

Kiehl's or Medik8: which cleanser is better?

Medik8 does better for surface radiance and acne-prone skin on this page, while Kiehl's fits a wider range of skin types with superior ratings for oily and acne-prone skin.

Which is more affordable, Kiehl's or Medik8?

Both Kiehl's and Medik8 have reviewers frequently mentioning a high price point as a negative aspect of the products on this page.

Which causes fewer breakouts, Kiehl's or Medik8?

Both Kiehl's and Medik8 offer products that help improve skin texture, but reviews note that Kiehl's may sometimes cause breakouts and skin irritation.

Which brand has more fragrance-free products, Kiehl's or Medik8?

Kiehl's has more fragrance-free products on this page than Medik8, offering 26 fragrance-free formulas compared to Medik8's 11.

Which brand is better at fading dark spots and brightening the skin?

Medik8 does better at fading dark spots and brightening the skin. Reviewers on the page frequently mention these benefits for Medik8 products like Oxy-R Peptides and Surface Radiance Cleanse.

What are the key differences in how reviewers describe the hydration and texture of Kiehl's versus Medik8 products?

Reviewers often describe Kiehl's products as offering deep hydration alongside lightweight, non-greasy moisturizers, whereas Medik8 is noted for providing deep hydration and plumping with luxurious textures. Both brands help improve skin texture, but reviewers more frequently mention that Medik8 helps improve the skin barrier and texture.

Drug Delivery, 2017Dermatologic Therapy, 2022

Kiehl's or Medik8: which moisturizer is better?

Both brands offer well-rated options for hydration, with Kiehl's providing deep moisture and lightweight textures while Medik8 focuses on improving the skin barrier and delivering deep hydration and plumping.

Drug Delivery, 2017

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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