A hair cosmetic composition comprising a mixture of 3.5 to 52.5 mass% of polyhydric alcohol monomer as component (A) and 7.5 to 52.5 mass% of polyhydric alcohol polymer of 2 to 10 polymerization degree as component (B) and 0.07 to 12.5 mass% of surfactant as component (C) and 0.07 to 12.5 mass% of water as component (D). This hair cosmetic composition excels in convenience and damage care effects for hair.