Aminopropyl Dimethicone
AKA “Amino Silicone, Conditioning Silicone”
Synthetic
Ingredient Facts
Aminopropyl dimethicone
AKA: Amino Silicone, Conditioning Silicone
Synthetic · Emollient · EWG: 2
Synthetic
Emollient
Occlusive
Skin Conditioner
Hair Care
Silicone
Synthetic
Clean
A silicone-based conditioner that smooths and softens hair while reducing frizz and improving shine.
CAS #
99363-37-8
Form
Liquid
See origin →
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Conditions Hair
Softens and detangles hair
Traditional Use
Created in the late 20th century by combining silicone (dimethicone) with an amino group to improve hair and skin conditioning. Developed to provide better conditioning properties than standard silicones with enhanced film-forming abilities.
Skin Types
●all-skin-types, gentle
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
ewg-2
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Agencies
Final Report on the Safety Assessment of Stearoxy Dimethicone, Dimethicone, Methicone, Amino Bispropyl Dimethicone, Aminopropyl Dimethicone, Amodimethicone, Amodimethicone Hydroxystearate, Behenoxy Di
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Aminopropyl Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
Dimethoxysilyl Ethylenediaminopropyl Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
Aminopropyl Dimethicone
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Final report on the safety assessment of stearoxy dimethicone, dimethicone, methicone, amino bispropyl dimethicone, aminopropyl dimethicone, amodimeth
Nair B, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
Verified Feb 2026
Data: CosIng · EWG · CIR