Cos Bar brings back their biggest gift bag of the year — Cos Bar Fall Into Beauty Event 2019. Cos Bar – Cos Bar Fall Into Beauty Event has begun, September 7-14, 2019 only. Our biggest event of the season! Receive an exclusive 17-piece bag filled with deluxe samples with any $200 purchase. See what’s in the Cos Bar Fall Into Beauty Gift Bag here. What’s so special is that all up to 50% off items in the sale page is included. Here are the links, prices and quick summary of each item in Cos Bar Beauty Gift Bag! This post may contain affiliate links. Read the full disclosure.