This is my experience with finally getting cigarette smoke out of 2 bags, multiple washes, charcoal filters, airing it out and more - but it finally worked. I will avoid cigarette smoke bags in the future!
https://forum.purseblog.com/threads...tte-smoke-smell-out-of-2-leather-bags.796750/
https://forum.purseblog.com/threads...tte-smoke-smell-out-of-2-leather-bags.796750/