Is Hydroxypropyl Chitosan safe in cosmetics?
Hydroxypropyl Chitosan has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
EXCELLENT
Active Ingredient
Hydroxypropyl Chitosan
Also known as: chitosan, product with methyloxirane
INCI: HYDROXYPROPYL CHITOSAN
Hydroxypropyl Chitosan (CAS 84069-44-3) is a cosmetic active ingredient functioning as Film-forming polymer; conditioning agent; antimicrobial agent; wound-healing. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 84069-44-3 →
Function
Film-forming polymer; conditioning agent; antimicrobial agent; wound-healing active
Editorial assessment
EXCELLENT
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted cosmetic ingredient; chitin/chitosan biocompatibility extensively documented in medical device and wound dressing context; ECHA microplastics restriction exempt as natural biodegradable polymer; not individually GRAS-listed
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Hydroxypropyl Chitosan.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Film former
Thickening agent
Editorial summary
Preliminary editorial summary for Hydroxypropyl Chitosan — not a computed safety verdict. See the sourced toxicological data above.
Regulatory Flags
biodegradable
natural-origin
microplastics-exempt
eco-preferred
antimicrobial-properties
Known Synonyms
chitosan, product with methyloxirane
Chemical Function
Film former
Thickening agent
Regulatory Lists
Canada; Personal care; Substances in PCP - Canada (4/2014)
Canada; Personal care; Substances in PCP - Canada (4/2014)
Frequently Asked Questions
Is Hydroxypropyl Chitosan allowed in the EU?
Hydroxypropyl Chitosan EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Hydroxypropyl Chitosan do in cosmetics?
Hydroxypropyl Chitosan functions as: Film-forming polymer; conditioning agent; antimicrobial agent; wound-healing active. It is classified as a Active Ingredient in our database. CAS number: 84069-44-3.
Compliance Tools
Check Hydroxypropyl Chitosan compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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