• Broad-spectrum protection against bacteria, mold, and yeast
• Compatible with a wide pH range (3–8)
• Easy to incorporate into cool-down phase
• Paraben-free, formaldehyde-free
• Ideal for lotions, creams, serums, cleansers, and gels

Germall Plus Liquid – Broad-Spectrum Preservative for DIY Cosmetics

Germall Plus Liquid is a clear, water-soluble preservative system combining Diazolidinyl Urea and Iodopropynyl Butylcarbamate. It provides excellent antimicrobial protection with low usage levels, making it perfect for preserving emulsions, surfactants, and aqueous formulations. Unlike some preservatives, it doesn’t release formaldehyde and is effective at a low concentration, making it a reliable option for both professional and DIY cosmetic formulators.

INCI Name: Diazolidinyl Urea (and) Iodopropynyl Butylcarbamate

CAS Number: 78491-02-8, 55406-53-6

Solubility: Water-soluble

Add Phase: Cool-down phase (below 50°C)

pH Stability: 3.0 – 8.0

Processing Temperature: Max 50°C

Appearance: Clear to pale yellow liquid

Odor: Mild

Molecular Formula: Blend

Molecular Weight: Blend

Flash Point: >100°C

Density: ~1.1 g/cm³

Chemical Type: Antimicrobial preservative

Functional Groups: Urea derivative + Carbamate

Primary Cosmetic Uses: Creams, lotions, serums, cleansers, toners

• Usage Rate: 0.1% – 0.5%
• Recommended Additions: Water-based formulations, emulsions
• Storage: Store in a cool, dry place, tightly closed

Always add Germall Plus Liquid below 50°C during the cool-down phase to retain preservative strength. Avoid using it in products meant for lips or inhalation (e.g., sprays).

✔️ Oily

✔️ Normal

✔️ Combination

✔️ Dry

❌ Not suitable for use in aerosols or lip products

1. Gentle Facial Moisturizer

65% Distilled Water

10% Aloe Vera Juice

5% Glycerin

7% Sweet Almond Oil

5% Emulsifying Wax

2% Stearic Acid

0.3% Germall Plus Liquid

2. Balance: Vitamin E, Fragrance

DIY Hydrating Toner

85% Rose Water

5% Witch Hazel

5% Panthenol (Vitamin B5)

2% Niacinamide

0.2% Germall Plus Liquid

2.8% Distilled Water

Serums
⭐⭐⭐⭐⭐ – Excellent
🟩🟩🟩🟩🟩


Creams & Lotions
⭐⭐⭐⭐⭐ – Excellent
🟩🟩🟩🟩🟩


Toners
⭐⭐⭐⭐⭐ – Excellent
🟩🟩🟩🟩🟩


Face Masks
⭐⭐⭐⭐⭐ – Excellent
🟩🟩🟩🟩🟩


Cleansers
⭐⭐⭐⭐⭐ – Excellent
🟩🟩🟩🟩🟩


Hair Masks
⭐⭐⭐⭐☆ – Good
🟩🟩🟩🟩⬜


Deodorants
⭐⭐⭐☆☆ – Moderate
🟨🟨🟨⬜⬜


Eye Creams
⭐⭐⭐⭐☆ – Good
🟩🟩🟩🟩⬜


Shampoos
⭐⭐⭐⭐☆ – Good
🟩🟩🟩🟩⬜


Soaps
⭐⭐⭐⭐☆ – Good
🟩🟩🟩🟩⬜


Conditioners
⭐⭐⭐⭐☆ – Good
🟩🟩🟩🟩⬜


Lip Balms
☆☆☆☆☆ – Not Suitable
🟥⬜⬜⬜⬜


Body Butters
⭐⭐⭐⭐☆ – Good
🟩🟩🟩🟩⬜


Ointments
⭐⭐⭐⭐☆ – Good
🟩🟩🟩🟩⬜