Magnesium Trisilicate

INCI Name:
Magnesium Trisilicate

Description:
Magnesium Trisilicate is used as an absorbent, anti-caking, and viscosity-controlling agent in cosmetic and personal-care formulations. It is a fine, white, odorless powder valued for its ability to absorb excess oil, mattify the skin, and stabilize formulations. It is widely used in skincare, face powders, deodorants, and pharmaceutical suspensions.

Solubility:
Insoluble in water. Insoluble in oils. Swells in water to form a gel-like texture.

Usage Rate:
1% – 20% (depending on desired absorption and thickening effect)

Recommended pH Range:
pH 5.0 – 9.0

Applications:

• Face powders and loose powders
• Mattifying skincare formulations
• Deodorants and antiperspirants
• Cleansers and scrubs
• Pharmaceutical suspensions
• Toothpaste and oral-care formulations

Function:

• Absorbs excess oil and reduces skin shine
• Acts as an anti-caking agent to prevent clumping
• Provides viscosity control and improves texture
• Enhances product stability by absorbing moisture
• Serves as a mild abrasive in cleansing products

Storage:
Store in a tightly sealed container, away from moisture and direct sunlight. Keep in a cool, dry environment to prevent clumping and maintain powder quality.