haircare vs hair care

haircare and hair care both are nouns.

Word	Noun	Adjective	Verb	Adverb
haircare	Yes	No	No	No
hair care	Yes	No	No	No

As nouns, haircare and hair care are synonyms defined as:

haircare and hair care: care for the hair: the activity of washing or cutting or curling or arranging the hair

Other synonyms of haircare include hairdressing.

haircare (noun)	hair care (noun)
care for the hair: the activity of washing or cutting or curling or arranging the hair	care for the hair: the activity of washing or cutting or curling or arranging the hair