# SEYOUL vs Trilogy

Page: https://lovi.care/skincare/ie/compare/seyoul-vs-trilogy

The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for Ireland.

SEYOUL and Trilogy are esteemed skincare brands, with the former loved for nourishing masks and delicate formulas, and the latter known for thoughtful moisturizers and gentle cleansers built on high-performing formulas. SEYOUL suits dry, oily, and combination skin best, featuring standout solutions like the [Collagen](https://lovi.care/skincare/ie/ingredients/collagen) Night Wrapping Mask for acne-prone skin, while Trilogy suits dry, balanced, and sensitive skin types best, offering targeted options such as the [Vitamin C](https://lovi.care/skincare/ie/ingredients/vitamin-c) Ceramide Night Cream for acne-prone skin, the [Rosehip](https://lovi.care/skincare/ie/ingredients/rosehip-oil) Cream Cleanser for skin with dark spots, and the Line Smoothing Day Cream for mature skin. These thoughtful preparations care for the complexion with quiet precision, differing primarily in their specific ingredient profiles and the exact skin types they accommodate.

This page compares some of the most popular SEYOUL and Trilogy products; for every product of both brands, with a fit score for your own skin, [use the Lovi app](https://app.pora.ai/vqqJ/j1xj2b6o?af_sub2=compare&af_sub3=selection_note&af_sub4=pgd09878adbe).

### Popular SEYOUL vs Trilogy products

#### Trilogy

- [Rosehip Cream Cleanser](https://lovi.care/skincare/ie/p/trilogy/rosehip-cream-cleanser/for/sensitive-skin) — High fit
- [Line Smoothing Day Cream](https://lovi.care/skincare/ie/p/trilogy/line-smoothing-day-cream/for/dry-skin) — High fit
- [Vitamin C Ceramide Night Cream](https://lovi.care/skincare/ie/p/trilogy/vitamin-c-ceramide-night-cream/for/mature-skin) — High fit

#### SEYOUL

- [Collagen Night Wrapping Mask](https://lovi.care/skincare/ie/p/seyoul/collagen-night-wrapping-mask/for/dry-skin) — Average fit

## Questions and answers

### SEYOUL or Trilogy: which is better?

Trilogy fits dry sensitive skin at a High level and mature skin at a High to Average level depending on the product, while SEYOUL rates Average to Warning across those same skin types on this page. Trilogy offers fragrance options, whereas every SEYOUL product on this page lists no fragrance.

### What is the difference between SEYOUL and Trilogy?

Trilogy offers a wider range of products that achieve High to Average Lovi fit levels across most skin types, whereas SEYOUL features only a single mask on this page with lower fit ratings. Reviewers note that Trilogy provides hydrating and brightening moisturizers, though some users report performance and formulation complaints.

### Which is more affordable, SEYOUL or Trilogy?

Neither SEYOUL nor Trilogy lists prices for the products on this page, so affordability cannot be compared here.

### Which causes fewer breakouts, SEYOUL or Trilogy?

Trilogy may cause fewer breakouts than SEYOUL because the products on this page by Trilogy achieve average or high fit levels for acne-prone skin, whereas SEYOUL's mask carries caution fit levels for acne-prone skin.

### Which brand has been established longer, SEYOUL or Trilogy?

Trilogy has been established longer, having been founded in 2002, while SEYOUL was founded in 2022.

### Do any products from SEYOUL or Trilogy contain fragrance?

Every product from SEYOUL lists no fragrance on this page. In contrast, Trilogy includes fragrance in two out of its three products on this page, specifically the [Rosehip](https://lovi.care/skincare/ie/ingredients/rosehip-oil) Cream Cleanser and the [Vitamin C](https://lovi.care/skincare/ie/ingredients/vitamin-c) Ceramide Night Cream.

### How do the Lovi fit levels for dry skin compare between SEYOUL's mask and Trilogy's moisturizers?

Trilogy's moisturizers achieve a High Lovi fit for dry skin, whereas SEYOUL's mask only reaches an Average fit for this skin type. Reviewers mostly mention that Trilogy's moisturizers are hydrating and brightening.

## Research behind their key ingredients

- [Benefits of topical hyaluronic acid for skin quality and signs of skin aging: From literature review to clinical evidence](https://pubmed.ncbi.nlm.nih.gov/36200921/) Sodium hyaluronate · Dermatologic Therapy, 2022
- [Anti-aging and brightening effects of a topical treatment containing vitamin C, vitamin E, and raspberry leaf cell culture extract: A split-face, randomized controlled trial](https://pubmed.ncbi.nlm.nih.gov/31975502/) Ascorbic acid · Journal of Cosmetic Dermatology, 2020
- [Collagen Supplements for Aging and Wrinkles: A Paradigm Shift in the Fields of Dermatology and Cosmetics](https://pubmed.ncbi.nlm.nih.gov/35223163/) Collagen · Dermatology Practical & Conceptual, 2022
- [Use of Collagen in Cosmetic Products](https://pubmed.ncbi.nlm.nih.gov/38534748/) Collagen · Current Issues in Molecular Biology, 2024
- [Treatment of acne with a combination of propolis, tea tree oil, and Aloe vera compared to erythromycin cream: two double-blind investigations](https://pubmed.ncbi.nlm.nih.gov/30588129/) Aloe barbadensis leaf juice · Clinical Pharmacology, 2018
- [Ceramide 1 and ceramide 3 act synergistically on skin hydration and the transepidermal water loss of sodium lauryl sulfate-irritated skin](https://pubmed.ncbi.nlm.nih.gov/18717861/) Ceramide np · International Journal of Dermatology, 2008
- [Effect of a topical antioxidant serum containing vitamin C, vitamin E, and ferulic acid after Q-switched 1064-nm Nd:YAG laser for treatment of environment-induced skin pigmentation](https://pubmed.ncbi.nlm.nih.gov/32052907/) Ascorbic acid · Journal of Cosmetic Dermatology, 2020
- [The 24-hour skin hydration and barrier function effects of a hyaluronic 1%, glycerin 5%, and Centella asiatica stem cells extract moisturizing fluid: an intra-subject, randomized, assessor-blinded study](https://pubmed.ncbi.nlm.nih.gov/28860834/) Glycerin · Clinical, Cosmetic and Investigational Dermatology, 2017
- [Clay jojoba oil facial mask for lesioned skin and mild acne--results of a prospective, observational pilot study](https://pubmed.ncbi.nlm.nih.gov/22585103/) Jojoba seed oil · Forschende Komplementarmedizin, 2012
- [A Lipid Mixture Enriched by Ceramide NP with Fatty Acids of Diverse Chain Lengths Contributes to Restore the Skin Barrier Function Impaired by Topical Corticosteroid](https://pubmed.ncbi.nlm.nih.gov/34348350/) Ceramide np · Skin Pharmacology and Physiology, 2022
- [Topical application of jojoba (Simmondsia chinensis L.) wax enhances the synthesis of pro-collagen III and hyaluronic acid and reduces inflammation in the ex-vivo human skin organ culture model](https://pubmed.ncbi.nlm.nih.gov/38344180/) Jojoba seed oil · Frontiers in Pharmacology, 2024
- [Topical Almond Oil for Prevention of Pressure Injuries: A Single-Blinded Comparison Study](https://pubmed.ncbi.nlm.nih.gov/32379165/) Prunus amygdalus dulcis oil · Journal of Wound, Ostomy, and Continence Nursing, 2020
- [A randomized controlled trial to compare the effectiveness and safety of adsorbent lotion containing tapioca starch, spent grain wax, Butyrospermum parkii extract, argania spinosa kernel oil, aloe barbadensis, rosehip oil, and allantoin with a low-potency topical corticosteroid in the treatment of intertrigo](https://pubmed.ncbi.nlm.nih.gov/33811776/) Shea butter · Journal of Cosmetic Dermatology, 2022
- [Effect of an Emollient Emulsion Containing 15.0% of Caprylic/Capric Triglyceride on the Urocanic Acid of the Stratum Corneum](https://pubmed.ncbi.nlm.nih.gov/37109405/) Caprylic capric triglyceride · Life, 2023
- [Efficacy and safety of combination cream of stimu-tex AS™ (spent grain wax, Argania Spinosa Kernel oil, Butyrospermum Parkii (shea butter) extract), and saccharide isomerate after fractional CO2 laser procedure: split-face, double blinded, randomized controlled trial](https://pubmed.ncbi.nlm.nih.gov/41134387/) Shea butter · Lasers in Medical Science, 2025
- [Monocentric, Vehicle-Controlled, Double-Blind Study to Assess the Short- and Long-Term Effects of a Ceramide NP C15-Containing Emollient on the Skin Microbiome and the Skin Barrier Function in Sensitive Skin](https://pubmed.ncbi.nlm.nih.gov/41758783/) Ceramide iii · Skin Pharmacology and Physiology, 2026

## The brands

- Skincare: [SEYOUL](https://lovi.care/skincare/ie/brands/seyoul)
- Skincare: [Trilogy](https://lovi.care/skincare/ie/brands/trilogy)

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- [CeraVe vs SEYOUL](https://lovi.care/skincare/ie/compare/cerave-vs-seyoul)
- [CeraVe vs Trilogy](https://lovi.care/skincare/ie/compare/cerave-vs-trilogy)
- [La Roche-Posay vs SEYOUL](https://lovi.care/skincare/ie/compare/la-roche-posay-vs-seyoul)
- [La Roche-Posay vs Trilogy](https://lovi.care/skincare/ie/compare/la-roche-posay-vs-trilogy)
- [Dr. Althea vs SEYOUL](https://lovi.care/skincare/ie/compare/dr-althea-vs-seyoul)
- [Dr. Althea vs Trilogy](https://lovi.care/skincare/ie/compare/dr-althea-vs-trilogy)
- [Some By Mi vs SEYOUL](https://lovi.care/skincare/ie/compare/some-by-mi-vs-seyoul)
- [Some By Mi vs Trilogy](https://lovi.care/skincare/ie/compare/some-by-mi-vs-trilogy)

## About the Lovi Fit

Lovi: Unbiased, science-based skincare AI trained on real user outcomes.

Lovi compares products by their fit scores, calculated from the full ingredient list with brand-independent rules its 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. Levels from best to worst: Superior, High, Average, Low, Caution, Warning.

Behind this comparison: Nadia Kapleva, MS (Co-founder, Medical Director); Alexey Shagraev, PhD (Co-founder, CEO and CTO); Dr. Sofía Perea Pérez, MD, MSc (Medical Board); Aishani Shah, MD (Medical Board); Asya Zubkova, MS (Medical Board); Hanna Kurets, MD (Medical Board, Medical Advisor); Elina Nazarenko, MD (Medical Board); Victoria Derkova, MS (Medical Board).

Page built Nov 8, 2026.

More from Lovi: https://lovi.care/skincare/llms.txt

## This page in other countries

- United States: https://lovi.care/skincare/compare/seyoul-vs-trilogy
- United Kingdom: https://lovi.care/skincare/uk/compare/seyoul-vs-trilogy
- Ireland: https://lovi.care/skincare/ie/compare/seyoul-vs-trilogy (this page)
- Germany: https://lovi.care/skincare/de/compare/seyoul-vs-trilogy
- France: https://lovi.care/skincare/fr/compare/seyoul-vs-trilogy
- Italy: https://lovi.care/skincare/it/compare/seyoul-vs-trilogy
- Netherlands: https://lovi.care/skincare/nl/compare/seyoul-vs-trilogy
- Spain: https://lovi.care/skincare/es/compare/seyoul-vs-trilogy
- Canada: https://lovi.care/skincare/ca/compare/seyoul-vs-trilogy
- Australia: https://lovi.care/skincare/au/compare/seyoul-vs-trilogy
- Singapore: https://lovi.care/skincare/sg/compare/seyoul-vs-trilogy
- Saudi Arabia: https://lovi.care/skincare/sa/compare/seyoul-vs-trilogy
- United Arab Emirates: https://lovi.care/skincare/ae/compare/seyoul-vs-trilogy