| abstract |
[PROBLEMS] To improve the elasticity of hair damaged by daily physical and chemical stimulation. Dimer acid amide obtained by reacting dimer acid with ammonia or amines is used as a hair elasticity improving agent. In addition, (A) dimer acid amide is used together with (B) cationic surfactant and (C) oil agent, optionally (D) aromatic alcohol, and further optionally cationic polymer, and hair cosmetics such as rinse, conditioner, treatment, etc. To do. [Selection figure] None. |