Some seamless joins between definition and wordplay which misled at first.
Solving time: 22 mins
* = anagram
ACROSS
6 PE DAN TIC
9 WI NONA West Indies and anon = soon reversed.
10 A MAN DINE Thought eat was a containing indicator at first. Used in cosmetics.
20 PLECTRUM l in (crumpet)*
23 Enoch PO WE LL
24 NO W ON DER
DOWN
1 PEN I C ILL IN In = at home You’ll see that again and again.
2 EAT OUT Definition = dine in restaurant Cryptically eat out could provide tea i.e. an anagram. Nice idea, quite misleading before light dawned.
5 BE (A) N
7 CLAP HAM COMMON
8 SLAMMER Slam dancer and stir = prison.
13 S (AND) HOPPER Cunning split in flea / market
15 TRENCHER A plate and the Western Front in World War I, fought in trenches.
16 NOS TRILl Another cunning split Opening / numbers.