Hair cosmetic composition

A hair cosmetic composition, which is a one-agent type hair cosmetic composition composed of a single agent, or a multi-agent type hair cosmetic composition composed of multiple agents,

• wherein the hair cosmetic composition comprising the following components (A) to (D):
• (A):
• one or more compounds selected from the group consisting of glyoxylic acid, a glyoxylic acid hydrate, a glyoxylate salt, and a glyoxylamide;
• (B):
• one or more phenolic compounds selected from component (B1), (B2) and (B3):
• (B1):
• resorcin;
• (B2):
• a compound of formula (1) as defined below;
• (B3):
• a compound of formula (2) as defined below;
• (C):
• a direct dye;
• and
• (D):
• water:
• wherein:
• R1 represents a hydrogen atom or a methyl group;
• A1 and A1, which may be identical to or different from each other, each represent a hydrogen atom, a C1 to C12 linear-chain or branched-chain alkyl or alkenyl group, an optionally substituted C7 to C12 aralkyl or arylalkenyl group, a C1 to C6 linear-chain or branched-chain alkoxy or alkenyloxy group, a halogen atom, or —CO—R1 (wherein R1 represents a C1 to C12 linear-chain or branched-chain alkyl or alkenyl group, an optionally substituted C7 to C12 aralkyl or arylalkenyl group, or an optionally substituted C6 to C12 aromatic hydrocarbon group);
• B represents a hydrogen atom, a C1 to C12 linear-chain or branched-chain alkyl or alkenyl group, an optionally substituted C7 to C12 aralkyl or arylalkenyl group, or —OR3 or —COOR3 (wherein R3 represents a hydrogen atom or a C1 to C6 linear-chain or branched-chain alkyl or alkenyl group);
• D represents a hydrogen atom, a hydroxyl group, a methyl group, or a C1 to C12 linear-chain or branched-chain alkoxy or alkenyloxy group;
• and
• E represents a hydrogen atom, a hydroxyl group, a C1 to C6 linear-chain or branched-chain alkyl or alkenyl group, or a C1 to C6 linear-chain or branched-chain alkoxy or alkenyloxy group,
• wherein two or three of A1, A2, B, and E each are a hydrogen atom, with each of remaining being a group which is not a sulfo group, and in the case where D is a hydrogen atom or a methyl group, A1 and B, or A1 and B form an optionally hydroxyl group-substituted benzene ring with two adjacent carbon atoms;
• wherein,
• R4 represents a hydrogen atom or a methyl group;
• X represents a hydrogen atom, a hydroxyl group, or a methoxy group;
• Y represents a hydrogen atom, an oxygen atom, a hydroxyl group, or a methoxy group;
• Z represents a hydrogen atom or a C1 to C5 linear-chain or branched-chain alkyl or alkenyl group;
• RX represents a hydrogen atom, an oxygen atom, a hydroxy group, a methoxy group, or an aromatic hydrocarbon group, which is optionally substituted with up to three hydroxy groups or methoxy groups and which optionally forms a condensed ring with 1,3-dioxolane;
• Ry represents a hydrogen atom, a hydroxy group, a methoxy group, or an aromatic hydrocarbon group, which is optionally substituted with up to three hydroxy groups or methoxy groups and which optionally forms a condensed ring with 1,3-dioxolane, or an arylcarbonyloxy group or aralkylcarbonyloxy group, which is optionally substituted with up to three hydroxy groups or methoxy groups;
• a dotted line portion may be a double bond;
• each of the combinations of the dotted line and the solid line being adjacent to Rx or Y denotes a double bond in the case where Rx or Y is an oxygen atom, and denotes a single bond in the other cases;
• and
• Z represents a C1 to C5 linear-chain or branched-chain alkyl or alkenyl group, only when Rx or Ry is an o,p-dihydroxyaromatic hydrocarbon group, and represents a hydrogen atom in the other cases.