Liquid Germall Plus

Liquid Germall Plus

Liquid Germall Plus is a highly effective, broad-spectrum preservative used in skincare and haircare formulations. It protects products from bacteria, yeast, and mold, even at very low usage levels.

INCI Name

Propylene Glycol (and) Diazolidinyl Urea (and) Iodopropynyl Butylcarbamate

Appearance

Clear, thick liquid
Water-soluble

Key Benefits

• Broad-spectrum antimicrobial protection

• Effective at very low usage levels (0.1%–0.5%)

• Works in a wide pH range (3–8)

• Compatible with most cosmetic ingredients

• Does not affect product color or scent

• Easy to use and suitable for cold-process formulations

Recommended Usage

0.1%–0.5%
Typical usage: 0.5% for strong preservation

How to Use in Formulation

1. Add during the cool-down phase below 50°C, as high heat can weaken the preservative.

2. Mix thoroughly for even distribution.

3. Suitable for:

   • Water-based formulations

   • Emulsions (lotions and creams)

   • Gels

   • Serums

   • Shampoos and conditioners

Important Notes

• Not suitable for anhydrous (oil-only) products

• Should not be used in aerosol spray products

• Avoid formulations with a pH above 8

Ideal Product Applications

• Lotions and creams

• Toners

• Essences and serums

• Shampoos and conditioners

• Cleansers

• Hair masks

• Peel-off mask