ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,456, issued on March 18, was assigned to OLAPLEX INC. (Boston).
"Methods for treating relaxed hair" was invented by Eric D. Pressly (Santa Barbara, Calif.) and Craig J. Hawker (Santa Barbara, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and kits for treating hair or preventing damage in the relaxing of hair are disclosed herein. Hair that is damaged during a relaxing treatment with hydroxide-containing relaxing agents, can be treated with formulations containing one or more active agents. The active agent formulations can be applied simultaneously with the hair relaxing formulation, or optionally applied immediately following appli...