hairwash

Etymology

From hair + wash.

hairwash means The act of washing the hair on a person's head. Lexicurio rates it Sui generis — a strength score of 88 out of 100.

noun

The act of washing the hair on a person's head.“I had a hairwash today and the barber came and cut my nails.”
A preparation used for washing the hair on a person's head: shampoo or similar.“Chokecherry bark […] A hairwash to strengthen the hair and encourage growth.”