# Chitosan Page: https://lovi.care/skincare/uk/ingredients/chitosan The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for the United Kingdom. Carboxymethyl chitosan creates noticeable antioxidant effects and provides significantly greater moisture for the skin than standard alternatives. It suits almost all skin types well and typically comes in lightweight [serums](https://lovi.care/skincare/uk/ingredients/serum). This ingredient layers easily into any daily routine. [Polymers, 2020](https://pubmed.ncbi.nlm.nih.gov/32605198/) This page shows chitosan products with a Lovi page. For every product, and a routine built for your skin, use the Lovi app. ### Popular chitosan products - [47 Skin Anti-Blemish & Scar Repair Serum](https://lovi.care/skincare/uk/p/47-skin/anti-blemish-and-scar-repair-serum/for/dry-skin) — Average fit ## Questions and answers ### What does chitosan do for the skin? Chitosan helps moisturize the skin and provides antioxidant benefits. High molecular weight forms demonstrate significantly greater moisturizing effects. [Polymers, 2020](https://pubmed.ncbi.nlm.nih.gov/32605198/) ### How do you use chitosan? Chitosan helps provide moisturizing effects, and it may be used to support skin hydration. Different molecular weights offer varying benefits, with high molecular weight chitosan demonstrating significant moisturizing properties. [Polymers, 2020](https://pubmed.ncbi.nlm.nih.gov/32605198/) ### Should you use chitosan in the morning or at night? You can use chitosan in the morning or at night because it helps hydrate and protect the skin. High molecular weight chitosan may provide significantly greater moisturizing effects than pure chitosan. [Polymers, 2020](https://pubmed.ncbi.nlm.nih.gov/32605198/) ### Can you use chitosan every day? Yes, you can use chitosan every day because it helps provide moisturizing effects for the skin. [Polymers, 2020](https://pubmed.ncbi.nlm.nih.gov/32605198/) ### Does chitosan cause purging or irritation? Chitosan is unlikely to cause purging or irritation as it is primarily used for its moisturizing and antioxidant properties. [Polymers, 2020](https://pubmed.ncbi.nlm.nih.gov/32605198/) ### Which skin types is chitosan best for? Chitosan helps moisturize dry skin, making it best suited for anyone needing extra hydration. It is found in products like the 47 Skin Anti-Blemish & Scar Repair [Serum](https://lovi.care/skincare/uk/ingredients/serum). [Polymers, 2020](https://pubmed.ncbi.nlm.nih.gov/32605198/) ## Research on chitosan - [Antioxidant and Moisturizing Properties of Carboxymethyl Chitosan with Different Molecular Weights](https://pubmed.ncbi.nlm.nih.gov/32605198/) Chitosan · Polymers, 2020 ## Brands with chitosan - British skincare: [47 Skin](https://lovi.care/skincare/uk/brands/47-skin) ## About the Lovi Fit Lovi: Unbiased, science-based skincare AI trained on real user outcomes. Lovi checks every ingredient 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 ingredient guide: 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/ingredients/chitosan - United Kingdom: https://lovi.care/skincare/uk/ingredients/chitosan (this page) - Ireland: https://lovi.care/skincare/ie/ingredients/chitosan - Germany: https://lovi.care/skincare/de/ingredients/chitosan - France: https://lovi.care/skincare/fr/ingredients/chitosan - Italy: https://lovi.care/skincare/it/ingredients/chitosan - Netherlands: https://lovi.care/skincare/nl/ingredients/chitosan - Spain: https://lovi.care/skincare/es/ingredients/chitosan - Canada: https://lovi.care/skincare/ca/ingredients/chitosan - Australia: https://lovi.care/skincare/au/ingredients/chitosan - Singapore: https://lovi.care/skincare/sg/ingredients/chitosan - Saudi Arabia: https://lovi.care/skincare/sa/ingredients/chitosan - United Arab Emirates: https://lovi.care/skincare/ae/ingredients/chitosan