lotion vs body lotion

lotion and body lotion both are nouns.

Word	Noun	Adjective	Verb	Adverb
lotion	Yes	No	No	No
body lotion	Yes	No	No	No

As nouns, body lotion is a hyponym of lotion; that is, body lotion is a word with a more specific, narrower meaning than lotion:

Other hyponyms of lotion include after-shave, after-shave lotion, hand lotion, toner.

lotion (noun)	body lotion (noun)
any of various cosmetic preparations that are applied to the skin	lotion applied to the body after bathing
liquid preparation having a soothing or antiseptic or medicinal action when applied to the skin