Free water percentage calculation

Evaluation of the microbial contamination risk and water activity

Regulatory reference: ISO 29621
Claim: Free water percentage calculation and Low microbial contamination risk
Application field: Cosmetics.
Description of the test: Evaluation of the risk of microbial contamination in a cosmetic product by ISO 29621 method for the determination of water activity (Aw) parameter.
Posted in Make up, Preservative systems, Claim for cosmetics, Free water percentage calculation, Low microbial contamination risk