The present invention relates to a method of producing keratin hydrolysate comprising the steps of: i) reacting keratin material with a protease； and ii) reacting keratin material with a chemical oxidant； wherein step ii occurs: a) after step i)； b) during step i) when the selected protease hydrolyses under the pH conditions used for the chemical reaction and/or c) prior to step i) when the selected protease hydrolyses under the reaction conditions used for the chemical reaction； keratin hydrolysate so produced and uses thereof.
