hair grease vs toiletry

hair grease and toiletry both are nouns.

Word	Noun	Adjective	Verb	Adverb
hair grease	Yes	No	No	No
toiletry	Yes	No	No	No

As nouns, toiletry is a hypernym of hair grease; that is, toiletry is a word with a broader meaning than hair grease:

hair grease: a toiletry for the hair
toiletry: artifacts used in making your toilet (washing and taking care of your body)

Other hypernyms of hair grease include toilet articles.

hair grease (noun)	toiletry (noun)
a toiletry for the hair	artifacts used in making your toilet (washing and taking care of your body)