Let me start of by saying this, I've loved Althair from the first stiff when I tried it in Obsentum, and, nothing will beat the smoothness of the orignial, but, Liquid Brun gets pretty damn close.
The fragrance opens with a praline like vanilla opening with a green accord in the background from the orange blossom and bergamot but slowly mellows down into a smooth cinnamon-praline vanilla base that still projects even after 4 hours of wear! The scent lasts ~12 hours give or take with strong projection for 2-3 hours and a milder projection up until the 7 hour mark where it becomes a near skin scent.
I picked this beast up and do not regret a thing! I would recommend it to any one, but don't go around thinking it will be 1:1