Xylityl Sesquicaprylate
Xylityl Sesquicaprylate
XYL
8/10
Concern level
High concern
A cosmetic multifunctional ester derived from xylitol and caprylic acid. It is commonly used as a mild antimicrobial booster, deodorizing agent, and emollient/co-emulsifier in skincare and personal care products.
Pore-clogging
Low
Pregnancy
Safe
Regulatory
No data
Benefits
AntisepticMoisturizing
Chemical Properties
pH Range
3.50 - 8.00Typical Concentration
0.20% - 2.00%CAS Number: 129811-19-6
Skin Type Compatibility
dry skin7/10
oily skin7/10
sensitive skin8/10
acne prone7/10
mature skin7/10
normal skin8/10
Interactions
incompatible with: No major interactions known., Formulators should verify compatibility with the full preservative system and target pH.
Risks & Warnings
Usually low risk, but any ester can occasionally cause irritation in very sensitive skin. Data on standalone comedogenicity and pregnancy-specific risk are limited; cosmetic-use safety is generally considered favorable.
Vegan Cruelty-Free
