12.01.16
US Patent No. 9,474,708 B2; Julius Zecchino of New York has patented a formulation consisting of at least one hydrophilic polymer, at least one desquamatory agent, water, at least one additive, preservatives, flavoring and coloring agents, and alpha hydroxyl acid. The hydrophilic polymer is selected from a group consisting of polyglutamic acid, crosslinked polyglutamic acid, crosslinked hyaluronic acid, crosslinked poly lactic acid, and combination and mixtures thereof. The desquamatory agent is selected from a group consisting of N-acetyl glucosamine, glucosamine, glucosamine hydrochloride and combination and mixtures thereof. The additive is selected from a group consisting of water, glycerin, glycols, polyols, polyglutamic acid, hyaluronic acid, and combinations and mixtures thereof. The alpha hydroxyl acid is mandelic acid.