Left wrist is current formula YSL Kouros, Right wrist is an older vintage of the same. Both decent but the older one is definitely deeper and more raunchy. It also seems to meld into the skin more whereas the new one is sharper and is projecting more.
Still not sold on if I can wear this bad boy at 30 but we'll see. My gf who's come to like some of my weirder stuff like oud, musk, incense etc still thinks I smell like a public toilet and her father 20 years ago.