Cosmetic Ingredient

Silicon

INCI: SILICON
CAS 7440-21-3 EC 231-130-8 (I)
Silicon is a metalloid element.
Generally Safe
This ingredient has a good safety profile based on available data.
Purpose

Function

Bulking agent (CosIng listed function)
Profile

Properties

Silicone
Silicone free
Malassezia
Safe
Fungal Acne
Safe
Details

Description

Silicon is a metalloid element.

Reference

Identifiers

CAS Number
7440-21-3
EC Number
231-130-8 (I)
INCI
SILICON
Category
Cosmetic Ingredient
Updated
Apr 23, 2026