08.03.15
US Patent No. 8,999,310 B1; Chuckles, Inc., Manchester, NH, has patented a keratinous fiber treatment formulation consisting of a crotonic acid/vinyl C8-12 isoalkyl esters/VA/bis-vinyldimethicone crosspolymer and an effective amount of a 50% ammonium cysteine solution having a pH ranging from about 8-9.