US 12,389,967 B2
Eyelash extension adhesive
Katsura Shimada, Ibaraki (JP); and Hitoshi Uchida, Tokyo (JP)
Appl. No. 17/785,202
Filed by Katsura Shimada, Ibaraki (JP); and Hitoshi Uchida, Tokyo (JP)
PCT Filed Dec. 11, 2020, PCT No. PCT/JP2020/046337
§ 371(c)(1), (2) Date Jun. 14, 2022,
PCT Pub. No. WO2021/125093, PCT Pub. Date Jun. 24, 2021.
Claims priority of application No. 2019-230642 (JP), filed on Dec. 20, 2019.
Prior Publication US 2023/0038661 A1, Feb. 9, 2023
Prior Publication US 2023/0329381 A9, Oct. 19, 2023
Int. Cl. A61G 5/02 (2006.01); A41G 5/02 (2006.01); A61K 8/37 (2006.01); A61K 8/55 (2006.01); A61Q 1/10 (2006.01); A61Q 5/00 (2006.01); C08F 120/18 (2006.01)
CPC A41G 5/02 (2013.01) [A61K 8/37 (2013.01)] 3 Claims
 
1. A method for adhering an extension hair to an eyelash, comprising
adhering an adhesive to the extension hair,
setting the extension hair adhered with the adhesive to the eyelash, and
curing the adhesive by exposure to light,
wherein the adhesive comprises the following components (a) and (b), and does not comprise a cyanoacrylate compound:
(a) a monofunctional monomer of formula (I):

OG Complex Work Unit Chemistry
wherein R1 represents a hydrogen atom or a methyl group, and R2 to R6 each independently represent a hydrogen atom or a C1 to C6 alkyl group, and
(b) a photopolymerization initiator.