Protective or Restorative Treatment for Tresses

This page is the CodyCross answer for the clue below from Train Travel, Group 701, Puzzle 3 (Large Windows).

Question is: Protective or Restorative Treatment for Tresses

and the answer is: HAIRMASK

Word Meaning:

HAIR MASK — A cosmetic application similar to a facial mask, but applied to the hair to nourish and moisturize it.

Definitions from Wiktionary.