Hello, the usage rate of each ingredient Members can check from the web page, the line "Usage Rate". The team copied it as an example for
Sodium Metabisulfite Usage: For any formulation to help maintain the quality of the ingredients Mixing Method: Mix in water in the formula
Use ratio: 0.1-0.2% (recommended 0.2%). Product appearance: off-white powder Solubility: soluble in water. Storage: can be stored at room temperature. But close the lid of the bottle tightly. and protected from sunlight or heat, the product has a shelf life of at least 2 years INCI Name:
Sodium Metabisulfite (as preservative, usage up to 0.2%)