Patent ID: 8580861

Claim:
A preservative formulation for skin care and hygiene products, comprising constituents including: a) at least one organic carboxylic acid that is maleic acid present in a concentration from about 0.01 to about 30 wt./wt. % of the formulation; b) at least one alcohol that is a phenyl alcohol present in a concentration from about 0.01 to about 60 wt./wt. % of the formulation; c) ammonium sulphate present in a concentration from about 0.01 to about 80 wt./wt. % of the formulation; and d) at least one chelating agent that is a sodium salt of iminodisuccinic acid present in a concentration from about 0.01 to about 20 wt./wt. % of the formulation.