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COSRX vs Trilogy

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

COSRX and Trilogy are two distinctive skincare brands offering thoughtful serums, moisturizers, cleansers, and masks. The former utilizes ingredients like hyaluronic acid, glycerin, and niacinamide to best suit oily and acne-prone skin, while the latter is built on high-performing formulas that suit dry, balanced, and sensitive skin types best. Both brands differ primarily in their core active components and the specific skin types they target.

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

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

Popular COSRX vs Trilogy products

People Say

COSRXTrilogy
  • Deep hydration and moisturization Mostly MentionedMostly Mentioned
    • “Keeps skin moisturized — Trilogy Vitamin C Ceramide Night Cream”
    • “Leaves skin thoroughly moisturised — Trilogy Line Smoothing Day Cream”
    • “Feels moisturizing — Trilogy Rosehip Cream Cleanser”
    • “skin drinks it up — COSRX Advanced Snail 96 Mucin Power Essence”
  • Gentle and non-stripping Often MentionedOften Mentioned
    • “No stinging or irritation — COSRX BHA Blackhead Power Liquid”
    • “perfect for first-time retinol users — COSRX The Retinol 0.1 Cream”
    • “Doesn't irritate my sensitive skin — Trilogy Rosehip Cream Cleanser”
  • Creamy and rich texture Not notedMostly Mentioned
    • “Silky cream consistency — Trilogy Rosehip Cream Cleanser”
    • “Luxuriously rich — Trilogy Vitamin C Ceramide Night Cream”
    • “Not greasy — Trilogy Line Smoothing Day Cream”
  • Skin texture and smoothness Often MentionedOften Mentioned
    • “gives me that glass skin look — COSRX Advanced Snail 96 Mucin Power Essence”
    • “skin feels softer immediately — COSRX The 6 Peptide Skin Booster Serum”
    • “Skin feels like glass — COSRX BHA Blackhead Power Liquid”
    • “Noticeable difference — Trilogy Line Smoothing Day Cream”
  • Lightweight and fast absorption Often MentionedNot noted
    • “absorbs instantly like water — COSRX The 6 Peptide Skin Booster Serum”
    • “sinks in immediately — COSRX Advanced Snail Peptide Eye Cream”
    • “absorbs practically immediately — COSRX Oil-Free Ultra-Moisturizing Lotion (with Birch Sap)”
  • Acne and pore control Often MentionedNot noted
    • “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”
    • “Melted blackheads right off — COSRX BHA Blackhead Power Liquid”
  • Unpleasant texture and sticky finish Sometimes NotedOften Mentioned
    • “texture is gooey and stringy — COSRX Advanced Snail 92 All in One Cream”
    • “too slimy and sticky — COSRX Advanced Snail 96 Mucin Power Essence”
    • “Oily feeling on my face — Trilogy Line Smoothing Day Cream”
    • “Does leave that kind of residue — Trilogy Vitamin C Ceramide Night Cream”
  • Strong scent or smell issues Sometimes NotedSometimes Noted
    • “smells like chemicals — COSRX Low pH Good Morning Gel Cleanser”
    • “smells like onions — COSRX The Retinol 0.1 Cream”
    • “If you are sensitive to fragrances, you might find it irritating — Trilogy Rosehip Cream Cleanser”
    • “Scent is awful — Trilogy Line Smoothing Day Cream”
  • Drying or insufficient for dry skin Often MentionedNot noted
    • “left my face tight — COSRX Low pH Good Morning Gel Cleanser”

Questions and answers

COSRX or Trilogy: which is better?

COSRX is better for lightweight absorption, acne control, and skin texture, whereas Trilogy provides deeper hydration with rich, creamy moisturizers. COSRX offers a much wider range of products that are mostly fragrance-free.

What is the difference between COSRX and Trilogy?

COSRX specializes in lightweight, fast-absorbing formulas that help control acne and smooth skin texture, while Trilogy offers richer moisturizers known for deep hydration and brightening. The products on this page for COSRX fit oily, acne-prone, and dry skin best.

COSRX or Trilogy: which cleanser is better?

COSRX offers a wider range of cleansers with varying Lovi fit levels suited for oily, acne-prone, and dry skin types, whereas Trilogy features a single cream cleanser. Reviewers note that the products on this page for both brands are gentle and non-stripping.

Which is more affordable, COSRX or Trilogy?

This page does not compare prices or list costs for either COSRX or Trilogy.

Which causes fewer breakouts, COSRX or Trilogy?

COSRX does better with acne and pore control than Trilogy. The products on this page help provide effective acne control and clearing.

Between COSRX and Trilogy, which brand offers better options for acne and pore control?

COSRX offers better options for acne and pore control, as review themes show it performs better in acne and pore control than Trilogy. The products on this page include targeted options like the BHA Blackhead Power Liquid and Salicylic Acid Daily Gentle Cleanser.

How do COSRX and Trilogy compare in terms of fragrance use across their product lines?

COSRX includes no fragrance in the vast majority of the products on this page, whereas Trilogy features fragrance in most of its items. Shoppers sensitive to scent may find COSRX a more reliable option.

Which brand performs better for skin texture and smoothness according to review themes?

COSRX does better than Trilogy for skin texture and smoothness according to review themes. The products on this page help improve skin texture as an often mentioned benefit.

COSRX or Trilogy: which moisturizer is better?

COSRX offers a broader range of moisturizers with High to Superior Lovi fit levels across skin types, featuring key ingredients like hyaluronic acid and snail mucin that help provide lightweight hydration. Trilogy provides richer creams such as the Vitamin C Ceramide Night Cream, which Lovi rates as High for mature and dry sensitive skin.

Journal of Pharmacy & Pharmaceutical Sciences, 2015Drug 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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