Big 264 Demon..

15 ac for cosmetics I have found MAQUILLARSE which unfortunatly is 11 letter's so maybe it is a variation of this word.As for the others still looking.
philcottiee

22 dn ASSISTANCE.
100 ac the clue is locations surrounding area(7) I have P???I?U.
80 dn The clue is Disparage (7) I have TR?D?CE. could this be TRADUCE.
96 ac The clue is Leave golf ball short (3.2) I have LAY?P could this be LAYUP.
In the meantime will keep looking.
philcottie.

For 100a l came up with PURLIEU, which means surround, hope it fits, good luck.

15 ac MAQUILLAGE
philcottie

It is indeed PURLIEU with the U on the end part of 80 dn which is Traduce.
I have LAYUP for 96 ac why I don't know can anyone explain why this is so when the clue is Leave golf ball short(3-2) perhaps this a golfing term
philcottie

layup is indeed a golfing term philcottie