What does the cryptic crossword clue "Cosmetic treatments deal with bags (4,5)" mean?

The wordplay uses a charade (building blocks). FACE (synonym="“deal with”") + PACKS (synonym="“bags”") = FACEPACKS The answer is FACEPACKS.

Cosmetic treatments deal with bags (4,5)

Guardian Cryptic #29508 | 1 Across | 2024-10-08 flower