DESCRIPTION: Activ-Shield (Sodium metabisulfite) is a preservative due to its anti-microbial properties and active protecting agent. It is used in cosmetic to actives prone to discolouration such as those prone to photo-instability like kojic acid.
At no more than 0.2% used in cosmetics as a preservative, the CIR considers Sodium MetabisulfiTe as GRAS (Generally Regarded As Safe).
- Anti-Browning agent
- Low-use levels
- Preservative booster
APPLICATIONS: In water-in-oil formulas, for skincare and haircare, creams, lotions, conditioners, butters, serums, etc
HOW TO USE
INCI: Sodium Metabisulfte
Use Rate: 0.1 – 0.2% (Do not add beyond 0.2%).
Temperature Stability: Heat tolerant ≤80°C.
pH Stability: 3.0 – 7.0
Appearance: White to off-white powder.
Storage: Store in a cool, dark, and dry place