The Collaborative International Dictionary of English v.0.48:
hairdressing \hairdressing\ n. a toiletry for the hair. Syn: hairtonic, hair oil, hair grease. [WordNet 1.5]WordNet (r) 3.0 (2006):
hairdressing n 1: a toiletry for the hair [syn: hairdressing, hair tonic, hair oil, hair grease] 2: care for the hair: the activity of washing or cutting or curling or arranging the hair [syn: hair care, haircare, hairdressing]