公开(公告)号：US11839673B2

公开(公告)日：2023-12-12

申请号：US17460217

申请日：2021-08-28

Applicant: L'OREAL

Inventor： Jasmine Martich ,  Kristina Kannheiser ,  Kimberly Dreher ,  Leslie Warner ,  Mohamed Amer Alkahwaji

IPC: A61Q5/10 ,  A61K8/19 ,  A61Q5/06 ,  A61K8/41

CPC classification number: A61K8/19 ,  A61K8/41 ,  A61Q5/065 ,  A61K2800/43

Abstract: The disclosure relates to buffer systems having ammonium hydroxide, ammonium bicarbonate, and optionally monoethanolamine, hair color bases, hair color altering compositions, and kits and methods for altering the color of hair. Hair color bases and hair color altering compositions comprise a buffer system having ammonium hydroxide, ammonium bicarbonate, and optionally monoethanolamine.