# Allies of Skin vs SEYOUL

Page: https://lovi.care/skincare/ca/compare/allies-of-skin-vs-seyoul

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

Allies of Skin and SEYOUL are thoughtful skincare brands that care for the complexion with quiet precision. Allies of Skin offers a rich range of moisturizers, [serums](https://lovi.care/skincare/ca/ingredients/serum), and eye products featuring [niacinamide](https://lovi.care/skincare/ca/ingredients/niacinamide), suiting dry skin and mature skin best. Meanwhile, SEYOUL provides nourishing masks and delicate formulas tailored for dry skin, oily skin, and combination skin. While both brands present targeted treatments for concerns like acne, the former focuses on anti-aging and hyperpigmentation with potent active ingredients.

This page compares some of the most popular Allies of Skin and SEYOUL 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=pg92e3ab8891).

### Popular Allies of Skin vs SEYOUL products

#### Allies of Skin

- [Copper Tripeptide & Ectoin Advanced Repair Serum](https://lovi.care/skincare/ca/p/allies-of-skin/copper-tripeptide-and-ectoin-advanced-repair-serum/for/oily-acne-prone-skin) — High fit
- [Tranexamic & Arbutin Advanced Brightening Serum](https://lovi.care/skincare/ca/p/allies-of-skin/tranexamic-and-arbutin-advanced-brightening-serum/for/acne-prone-skin) — High fit
- [Retinal & Peptides Repair Night Cream](https://lovi.care/skincare/ca/p/allies-of-skin/retinal-and-peptides-repair-night-cream/for/acne-prone-skin) — Average fit
- [Peptides & Omegas Firming Eye Cream](https://lovi.care/skincare/ca/p/allies-of-skin/peptides-and-omegas-firming-eye-cream/for/dry-skin) — Superior fit — [CA$194.18 at Amazon](https://www.amazon.ca/dp/B09FHQN9QZ?tag=lovi-care-web-product01-20&linkCode=osi&th=1&psc=1)
- [Peptides & Antioxidants Firming Daily Treatment](https://lovi.care/skincare/ca/p/allies-of-skin/peptides-and-antioxidants-firming-daily-treatment/for/mature-skin) — Superior fit — [CA$98.99 at Amazon](https://www.amazon.ca/dp/B0D3VMKT2F?tag=lovi-care-web-product01-20&linkCode=osi&th=1&psc=1)
- [Molecular Saviour Probiotics Treatment Mist](https://lovi.care/skincare/ca/p/allies-of-skin/molecular-saviour-probiotics-treatment-mist/for/acne-prone-skin) — Superior fit

#### SEYOUL

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

## Questions and answers

### Allies of Skin or SEYOUL: which is better?

Allies of Skin is generally better than SEYOUL because the products on this page achieve mostly High and Superior Lovi fit levels across diverse skin types, whereas SEYOUL offers only an Average to Warning fit.

### What is the difference between Allies of Skin and SEYOUL?

Allies of Skin offers a wide range of products including [serums](https://lovi.care/skincare/ca/ingredients/serum) and moisturizers with fit levels reaching Superior for dry and mature skin types, whereas SEYOUL features a mask on this page that has lower fit levels like Caution and Warning for most skin types. Allies of Skin utilizes key ingredients like [Niacinamide](https://lovi.care/skincare/ca/ingredients/niacinamide), which helps reduce cutaneous pigmentation.

[The British Journal of Dermatology, 2002](https://pubmed.ncbi.nlm.nih.gov/12100180/)

### Which is more affordable, Allies of Skin or SEYOUL?

SEYOUL is more affordable, whereas reviewers mostly mention a high price point for Allies of Skin. However, the products on this page from Allies of Skin generally offer higher fit levels across most skin types compared to SEYOUL.

### Which causes fewer breakouts, Allies of Skin or SEYOUL?

Allies of Skin offers products on this page with high Lovi fit levels for acne-prone skin, whereas SEYOUL shows caution or warning ratings for acne-prone skin.

### Which brand has been on the market longer, Allies of Skin or SEYOUL?

Allies of Skin has been on the market longer, having been founded in 2016 compared to SEYOUL which was founded in 2022.

### Do any products from either Allies of Skin or SEYOUL contain fragrance?

Every product on this page from both Allies of Skin and SEYOUL lists no fragrance in its ingredients.

### What key ingredient is shared across the products of Allies of Skin?

Niacinamide is a key ingredient shared across the products on this page from Allies of Skin.

[The British Journal of Dermatology, 2002](https://pubmed.ncbi.nlm.nih.gov/12100180/)

## Research behind their key ingredients

- [The effect of niacinamide on reducing cutaneous pigmentation and suppression of melanosome transfer](https://pubmed.ncbi.nlm.nih.gov/12100180/) Niacinamide · The British Journal of Dermatology, 2002
- [Cosmetic benefits of astaxanthin on humans subjects](https://pubmed.ncbi.nlm.nih.gov/22428137/) Astaxanthin · Acta Biochimica Polonica, 2012
- [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/) Hyaluronic acid, Sodium hyaluronate · Dermatologic Therapy, 2022
- [Topical use of dexpanthenol in skin disorders](https://pubmed.ncbi.nlm.nih.gov/12113650/) Panthenol · American Journal of Clinical Dermatology, 2002
- [Regulatory effects of Lactobacillus plantarum-GMNL6 on human skin health by improving skin microbiome](https://pubmed.ncbi.nlm.nih.gov/33526970/) Probiotics · International Journal of Medical Sciences, 2021
- [Lactobacillus reuteri DSM 17938-A comparative study on the effect of probiotics and lysates on human skin](https://pubmed.ncbi.nlm.nih.gov/31021014/) Probiotics · Experimental Dermatology, 2019
- [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
- [The Effect of Lactobacillus plantarum Extracellular Vesicles from Korean Women in Their 20s on Skin Aging](https://pubmed.ncbi.nlm.nih.gov/35723322/) Probiotics · Current Issues in Molecular Biology, 2022
- [Prospective, randomized, double-blind assessment of topical bakuchiol and retinol for facial photoageing](https://pubmed.ncbi.nlm.nih.gov/29947134/) Bakuchiol · The British Journal of Dermatology, 2019
- [Use of Collagen in Cosmetic Products](https://pubmed.ncbi.nlm.nih.gov/38534748/) Collagen · Current Issues in Molecular Biology, 2024
- [Design, characterization, and clinical evaluation of argan oil nanostructured lipid carriers to improve skin hydration](https://pubmed.ncbi.nlm.nih.gov/25143733/) Argania spinosa kernel oil · International Journal of Nanomedicine, 2014
- [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
- [Randomized controlled study for the anti-aging effect of human adipocyte-derived mesenchymal stem cell media combined with niacinamide after laser therapy](https://pubmed.ncbi.nlm.nih.gov/33103316/) Niacinamide · Journal of Cosmetic Dermatology, 2021
- [A new topical panthenol-containing emollient: Results from two randomized controlled studies assessing its skin moisturization and barrier restoration potential, and the effect on skin microflora](https://pubmed.ncbi.nlm.nih.gov/27425824/) Panthenol · The Journal of Dermatological Treatment, 2017
- [Senomorphic activity of a combination of niacinamide and hyaluronic acid: correlation with clinical improvement of skin aging](https://pubmed.ncbi.nlm.nih.gov/39009698/) Niacinamide · Scientific Reports, 2024
- [Sunscreens and Cosmetic Formulations Containing Ascorbyl Tetraisopalmitate and Rice Peptides for the Improvement of Skin Photoaging: A Double-blind, Randomized Placebo-controlled Clinical Study](https://pubmed.ncbi.nlm.nih.gov/33529350/) Tetrahexyldecyl ascorbate · Photochemistry and Photobiology, 2021
- [Clinical evidence of the efficacy and safety of a new 3-in-1 anti-aging topical night serum-in-oil containing melatonin, bakuchiol, and ascorbyl tetraisopalmitate: 103 females treated from 28 to 84 days](https://pubmed.ncbi.nlm.nih.gov/30924254/) Tetrahexyldecyl ascorbate · Journal of Cosmetic Dermatology, 2019
- [A comparative study of gluconolactone versus benzoyl peroxide in the treatment of acne](https://pubmed.ncbi.nlm.nih.gov/1303072/) Gluconolactone · The Australasian Journal of Dermatology, 1992
- [Evaluation of dermal extracellular matrix and epidermal-dermal junction modifications using matrix-assisted laser desorption/ionization mass spectrometric imaging, in vivo reflectance confocal microscopy, echography, and histology: effect of age and peptide applications](https://pubmed.ncbi.nlm.nih.gov/25817264/) Palmitoyl tripeptide-1, Palmitoyl tetrapeptide-7 · Journal of Cosmetic Dermatology, 2015
- [Comparison of clinical efficacies of sodium ascorbyl phosphate, retinol and their combination in acne treatment](https://pubmed.ncbi.nlm.nih.gov/19134126/) Sodium ascorbyl phosphate · International Journal of Cosmetic Science, 2009
- [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
- [Encapsulation of alpha arbutin, a depigmenting agent, in nanosized ethosomes: Invitro and invivo human studies](https://pubmed.ncbi.nlm.nih.gov/37681127/) Alpha-arbutin · Heliyon, 2023
- [A dermocosmetic containing bakuchiol, Ginkgo biloba extract and mannitol improves the efficacy of adapalene in patients with acne vulgaris: result from a controlled randomized trial](https://pubmed.ncbi.nlm.nih.gov/25914553/) Bakuchiol · Clinical, Cosmetic and Investigational Dermatology, 2015
- [Antioxidant-based topical formulations influence on the inflammatory response of Japanese skin: A clinical study using non-invasive techniques](https://pubmed.ncbi.nlm.nih.gov/28385617/) Tetrahexyldecyl ascorbate · European Journal of Pharmaceutics and Biopharmaceutics, 2017
- [Evaluating the Safety and Efficacy of a Topical Formulation Containing Epidermal Growth Factor, Tranexamic Acid, Vitamin C, Arbutin, Niacinamide and Other Ingredients as Hydroquinone 4% Alternatives to Improve Hyperpigmentation: A Prospective, Randomized, Controlled Split Face Study](https://pubmed.ncbi.nlm.nih.gov/33022197/) Alpha arbutin · Journal of Cosmetic Science, 2020
- [Efficacy and Tolerability of Topical Nicotinamide Plus Antibacterial Adhesive Agents and Zinc-Pyrrolidone Carboxylic Acid Versus Placebo as an Adjuvant Treatment for Moderate Acne Vulgaris in Indonesia: A Multicenter, Double-blind, Randomized, Controlled Trial](https://pubmed.ncbi.nlm.nih.gov/32983333/) Zinc pca · The Journal of Clinical and Aesthetic Dermatology, 2020
- [Effects of 1,3-propanediol associated, or not, with butylene glycol and/or glycerol on skin hydration and skin barrier function](https://pubmed.ncbi.nlm.nih.gov/37699769/) Propanediol · International Journal of Cosmetic Science, 2024
- [Whitening effect of alpha-bisabolol in Asian women subjects](https://pubmed.ncbi.nlm.nih.gov/20642768/) Bisabolol · International Journal of Cosmetic Science, 2010
- [Assessment of Combined Ascorbyl Palmitate (AP) and Sodium Ascorbyl Phosphate (SAP) on Facial Skin Sebum Control in Female Healthy Volunteers](https://pubmed.ncbi.nlm.nih.gov/27756097/) Sodium ascorbyl phosphate · Drug Research, 2017
- [A clinical evaluation of the efficacy and tolerability of a novel topical antioxidant formulation featuring vitamin C, astaxanthin, and fermented turmeric](https://pubmed.ncbi.nlm.nih.gov/37608511/) Astaxanthin · Journal of Cosmetic Dermatology, 2023
- [Supramolecular collagen nanoparticles for anti-wrinkle, skin whitening, and moisturizing effects](https://pubmed.ncbi.nlm.nih.gov/39383579/) Palmitoyl tripeptide-5 · Colloids and Surfaces. B, Biointerfaces, 2025
- [Comparative physicochemical stability and clinical anti-wrinkle efficacy of transdermal emulgel preparations of 5% sodium ascorbyl phosphate and or ascorbic acid on human volunteers](https://pubmed.ncbi.nlm.nih.gov/32383548/) Sodium ascorbyl phosphate · Journal of Cosmetic Dermatology, 2021
- [Evaluation of the Efficacy and Safety of a Panthenol-Enriched Mask for Skin Barrier Recovery After Facial Laser Treatment: Results of a Double-Blind Randomized Controlled Study](https://pubmed.ncbi.nlm.nih.gov/40613435/) Panthenol · Journal of Cosmetic Dermatology, 2025
- [Preparation and characterization of astaxanthin-loaded biodegradable polyhydroxybutyrate (PHB) microbeads for personal care and cosmetic applications](https://pubmed.ncbi.nlm.nih.gov/38072340/) Astaxanthin · International Journal of Biological Macromolecules, 2024
- [Prospective randomized double-blind comparative study of topical acetyl zingerone with tetrahexyldecyl ascorbate versus tetrahexyldecyl ascorbate alone on facial photoaging](https://pubmed.ncbi.nlm.nih.gov/38525606/) Tetrahexyldecyl ascorbate · Journal of Cosmetic Dermatology, 2024
- [Clinical efficacy of facial masks containing yoghurt and Opuntia humifusa Raf. (F-YOP)](https://pubmed.ncbi.nlm.nih.gov/22152494/) Yogurt · Journal of Cosmetic Science, 2011
- [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
- [A Randomized Controlled Trial of the Genistein Plus Bakuchiol and Vitamins (GEN+) Product for Male Facial Skin: Effects on Skin Appearance and Properties](https://pubmed.ncbi.nlm.nih.gov/41562471/) Bakuchiol · Skin Research and Technology, 2026
- [Augmented Skin Beneficial Effects of Thermus Thermophilus and Bacillus Subtilis Mixed-Culture Ferment Extract by Tripeptide GHK-Cu](https://pubmed.ncbi.nlm.nih.gov/42573538/) Copper tripeptide-1 · Skin Research and Technology, 2026
- [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/) Argania spinosa kernel oil · Lasers in Medical Science, 2025
- [Targeting Circadian Rhythm for the Regulation of Skin Collagen Metabolism](https://pubmed.ncbi.nlm.nih.gov/41527525/) Palmitoyl tripeptide-1 · Journal of Cosmetic Dermatology, 2026
- [Mechanistic understanding and peptide ingredient screening for type III collagen via biological knowledge graph and molecular docking](https://pubmed.ncbi.nlm.nih.gov/42683869/) Palmitoyl tripeptide-1 · International Journal of Cosmetic Science, 2026
- [Prospective, Randomized, Double-Blind Assessment of Supramolecular Bakuchiol and Terminalia Chebula Extract for Facial Photoaging in Chinese Sensitive Skin Population](https://pubmed.ncbi.nlm.nih.gov/41424674/) Bakuchiol · Health Science Reports, 2025
- [Simmondsia chinensis (jojoba) cake fermentation: A new, sustainable technology for advanced skin and scalp care ingredients](https://pubmed.ncbi.nlm.nih.gov/42698229/) Lactobacillus ferment · International Journal of Cosmetic Science, 2026
- [Split-face evaluation: Gluconolactone plus oxybrasion versus gluconolactone plus microneedling. The effects on skin parameters](https://pubmed.ncbi.nlm.nih.gov/37357656/) Gluconolactone · Skin Research and Technology, 2023
- [Effects of a Greek Yoghurt-based Complex on the Human Facial Skin Microbiome](https://pubmed.ncbi.nlm.nih.gov/42049453/) Yogurt · In Vivo, 2026

## The brands

- Skincare: [Allies of Skin](https://lovi.care/skincare/ca/brands/allies-of-skin)
- Skincare: [SEYOUL](https://lovi.care/skincare/ca/brands/seyoul)

## More comparisons

- [SKIN1004 vs Allies of Skin](https://lovi.care/skincare/ca/compare/skin1004-vs-allies-of-skin)
- [SKIN1004 vs SEYOUL](https://lovi.care/skincare/ca/compare/skin1004-vs-seyoul)
- [Anua vs Allies of Skin](https://lovi.care/skincare/ca/compare/anua-vs-allies-of-skin)
- [Anua vs SEYOUL](https://lovi.care/skincare/ca/compare/anua-vs-seyoul)
- [Medicube vs Allies of Skin](https://lovi.care/skincare/ca/compare/medicube-vs-allies-of-skin)
- [Medicube vs SEYOUL](https://lovi.care/skincare/ca/compare/medicube-vs-seyoul)
- [The Ordinary vs Allies of Skin](https://lovi.care/skincare/ca/compare/the-ordinary-vs-allies-of-skin)
- [The Ordinary vs SEYOUL](https://lovi.care/skincare/ca/compare/the-ordinary-vs-seyoul)
- [Beauty of Joseon vs Allies of Skin](https://lovi.care/skincare/ca/compare/beauty-of-joseon-vs-allies-of-skin)
- [Beauty of Joseon vs SEYOUL](https://lovi.care/skincare/ca/compare/beauty-of-joseon-vs-seyoul)
- [COSRX vs Allies of Skin](https://lovi.care/skincare/ca/compare/cosrx-vs-allies-of-skin)
- [COSRX vs SEYOUL](https://lovi.care/skincare/ca/compare/cosrx-vs-seyoul)
- [CeraVe vs Allies of Skin](https://lovi.care/skincare/ca/compare/cerave-vs-allies-of-skin)
- [CeraVe vs SEYOUL](https://lovi.care/skincare/ca/compare/cerave-vs-seyoul)
- [La Roche-Posay vs Allies of Skin](https://lovi.care/skincare/ca/compare/la-roche-posay-vs-allies-of-skin)
- [La Roche-Posay vs SEYOUL](https://lovi.care/skincare/ca/compare/la-roche-posay-vs-seyoul)
- [Dr. Althea vs Allies of Skin](https://lovi.care/skincare/ca/compare/dr-althea-vs-allies-of-skin)
- [Dr. Althea vs SEYOUL](https://lovi.care/skincare/ca/compare/dr-althea-vs-seyoul)
- [Some By Mi vs Allies of Skin](https://lovi.care/skincare/ca/compare/some-by-mi-vs-allies-of-skin)
- [Some By Mi vs SEYOUL](https://lovi.care/skincare/ca/compare/some-by-mi-vs-seyoul)

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