Both makeup and make-up are acceptable.
In regards to cosmetics, "makeup" (also "make-up")
The noun 'makeup' is an abstract noun as a word for the composition or organization of something; a word for a concept.The noun 'makeup' is a concrete noun as a word for cosmetics; a word for physical things.
The spelling of the makeup may also be one word "eyeliner."
is lipstick a compuond word ?
The word makeup collocates with the verb wearbecause "wearing makeup" is a fixed expression that was established over time by context-dependent use. This means that if you tried to use a different verb instead of wear with makeup, it would not make sense and would violate "conventional" rules.
The word is makeup.
Human
The word makeup (cosmetics) can be one word when used as a noun. Less clear is its use to mean construction or composition, which seems to be more often hyphenated as make-up. This form seems to be used also for the special noun or adjective used in a make-up test (repeated exam).The verb to make up (reconcile) is two words.
The colloquial phrase "make up" (fabricate, concoct) is two words.The term for facial cosmetics is one word "makeup."
like this Mkup
Heredity.
One can watch makeup videos and tutorials on cosmetic webpages such as Maybelline. Alternatively, one can view makeup videos on video sharing webpages such as Youtube.