	US 12,291,637 B2
	Acidic bonding compositions and methods for restoring and color toning lightened hair
Taylor Katherine Hart, New York, NY (US); and Kimberly Christine Dreher, Brielle, NJ (US)
Assigned to L'OREAL, Paris (FR)
Filed by L'OREAL, Paris (FR)
Filed on Sep. 30, 2022, as Appl. No. 17/957,707.
Prior Publication US 2024/0124708 A1, Apr. 18, 2024
Int. Cl. C08L 71/02 (2006.01); A61K 8/37 (2006.01); A61K 8/44 (2006.01); A61K 8/46 (2006.01); A61K 8/73 (2006.01); A61Q 5/00 (2006.01); A61Q 5/06 (2006.01)

CPC C08L 71/02 (2013.01) [A61K 8/37 (2013.01); A61K 8/44 (2013.01); A61K 8/466 (2013.01); A61K 8/731 (2013.01); A61Q 5/004 (2013.01); A61Q 5/065 (2013.01); A61K 2800/30 (2013.01); A61K 2800/432 (2013.01); A61K 2800/48 (2013.01); A61K 2800/51 (2013.01); A61K 2800/524 (2013.01)]

20 Claims

1. A hair refreshing composition comprising a color toning system comprising at least one direct dye that comprises EXT. VIOLET 2, and an acidic bonding restorative base, wherein;

the acidic bonding restorative base comprises:

at least one anionic surfactant comprising an isethionate surfactant;

at least one ester comprising coco-caprylate/caprate;

at least one cationic compound;

at least one additional surfactant selected from the group consisting of non-ionic surfactants, amphoteric surfactants and combinations thereof; and

water;

the hair refreshing composition excludes HC VIOLET NO. 2, BASIC VIOLET 2, HC BLUE NO. 2, and BASIC RED 51;

EXT. VIOLET 2 is present in the hair refreshing composition from about 0.1% to about 2% by weight based on the total weight of the hair refreshing composition; and

the hair refreshing composition has a pH in a range from about pH 5.3 to about pH 5.9.