Preservative – Water Soluble PF (Liquid Germall Plus) | Broad-Spectrum Liquid Preservative for Water-Based Products
Famously known as Liquid Germall Plus, Preservative – Water Soluble PF is an advanced, broad-spectrum antimicrobial preservative specially designed to protect water-based formulations such as lotions, shampoos, body butters, and scrubs.
This highly effective liquid preservative combines Propylene Glycol, Diazolidinyl Urea, and Iodopropynyl Butylcarbamate to defend cosmetic and personal care products against bacteria, yeast, and mold, ensuring product safety and shelf life.
Key Features & Benefits
Broad-Spectrum Antimicrobial Protection
Effectively targets gram-positive and gram-negative bacteria, yeast, and mold, offering full-spectrum microbial defense.
Formaldehyde-Free & Paraben-Free
Liquid Germall Plus is a safer, eco-conscious choice, free from formaldehyde and parabens, making it ideal for natural-focused formulations.
Water-Soluble
Perfect for water-based and emulsified products like creams, lotions, shampoos, and scrubs.
Wide pH Range Compatibility
Works across a pH range of 3 to 8, offering excellent versatility in different cosmetic applications.
Temperature-Sensitive
For best results, add below 122°F (50°C) during the cool-down phase to maintain efficacy.
Ingredients & Technical Details
Common Name: Liquid Germall Plus, Preservative – Water Soluble PF
INCI Name: Propylene Glycol (and) Diazolidinyl Urea (and) Iodopropynyl Butylcarbamate
CAS No: 78491-02-8, 55406-53-6
Appearance: Colorless liquid
Solubility: Water-soluble (not oil-soluble)
Recommended Usage Rates
Lotions & Creams: 0.1%–0.5% (add during cool-down phase below 122°F)
Shampoos & Hair Care: 0.1%–0.5% in water-based hair products like shampoos and conditioners
How to Use Liquid Germall Plus Preservative
When to Add: Incorporate during the cool-down phase (below 122°F/50°C) to preserve antimicrobial activity.
pH Range: Suitable for formulations with pH 3–8.
Compatibility: Works in cationic, anionic, and non-ionic water-based systems. Note: Not recommended for aerosol or lip care products.
Storage & Shelf Life
Storage: Keep in a tightly sealed container, in a cool, dark place (59°F–77°F / 15°C–25°C).
Shelf Life: Up to 2 years when stored properly.
Safety & Important Notes
Safety: For external use only. Keep out of reach of children and pets. Do not use in aerosol or lip care products.
Natural Status: While highly effective and widely used in natural-inspired formulations, Liquid Germall Plus is a synthetic preservative, not classified as 100% natural.
Formaldehyde-Free: Yes, this preservative is formaldehyde-free.
Paraben-Free: Yes, it’s also paraben-free, offering a safer preservative choice.
Oil Solubility: No, it is water-soluble, not oil-soluble.
Important Note
This preservative shares the same INCI as Germall Plus Liquid but is not manufactured by Ashland Chemical. We rebranded it under Preservative – Water Soluble PF for compliance with legal naming requirements.
Why Buy Liquid Germall Plus from Natural Bulk Supplies?
High-quality, broad-spectrum preservative for DIY and professional use
Competitive pricing for bulk and small quantities
Expert guidance on how to use, dosage, and formulation tips
Note:This preservative shares the same INCI as Germall Plus Liquid, but is not manufactured by Ashland Chemical. We have rebranded this product under Preservative - Water Soluble PF to comply with legal naming requirements.
