Geogard 221 Preservative (120g)

Geogard 221 Preservative
Geogard 221 is a broad-spectrum cosmetic preservative used in skincare, haircare, and personal care formulations to protect products from bacteria, yeast, and mold contamination.

Description
INCI Name: Benzyl Alcohol (and) Dehydroacetic Acid (and Water/Aqua depending on supplier)
Appearance: Clear to pale yellow liquid
Type: Broad-spectrum preservative system
Best pH Range: Works best at pH 2–6, especially below pH 6
Solubility: Water-soluble / water-dispersible
Usage Rate
Typical recommended usage:

0.2% – 1.1%
Most formulators commonly use:
0.5% – 1% in lotions, creams, serums, shampoos, conditioners, and toners
How to Use
Add during the cool-down phase
Recommended addition temperature:
Below 40°C for best stability
Final formulation pH should be checked and adjusted below 6 for optimal preservation performance.
Benefits
Broad-spectrum protection against:
bacteria
yeast
mold
ECOCERT / COSMOS accepted for natural formulations
Paraben-free and formaldehyde-free
Compatible with many cosmetic ingredients and emulsions
Suitable for:
creams
lotions
shampoos
conditioners
body wash
serums
liquid soaps
baby care products