Dioleyl Tocopheryl Methylsilanol
Dioleyl Tocopheryl Methylsilanol
DIO
8/10
Concern level
High concern
Dioleyl Tocopheryl Methylsilanol is a vitamin E–derived organosilicon cosmetic ingredient used primarily as an antioxidant and skin-conditioning agent. It combines tocopherol-related chemistry with oleyl groups and a methylsilanol moiety, which helps make it oil-soluble and suitable for emulsions, oils, and conditioning products.
Pore-clogging
Low
Pregnancy
Safe
Regulatory
No data
Benefits
MoisturizingSupports Barrier Function
Chemical Properties
pH Range
5.00 - 8.00Typical Concentration
0.01% - 2.00%CAS Number: 130986-04-8
Skin Type Compatibility
dry skin8/10
oily skin5/10
sensitive skin8/10
acne prone5/10
mature skin8/10
normal skin8/10
Interactions
incompatible with: strong oxidizers may reduce antioxidant performance, high-heat processing can reduce long-term stability in the finished formula, heavy occlusive oils may increase the risk of a greasy feel in acne-prone formulations
Risks & Warnings
Generally considered low risk in cosmetic use, with low expected irritation and no established major toxicological concern at normal use levels. Because it is an oil-phase ingredient, it may feel rich on very acne-prone or highly clog-prone skin in heavier formulas. Human pregnancy-specific data are limited, but cosmetic use is generally regarded as low concern.
Vegan Cruelty-Free
