I understand the “shed” perspectives here, but honestly, fin could have just stopped working for you full stop.

Having your standard, slow crawl mpb, I hopped on it. Never had aggressive loss, and it worked incredibly for me for a year. Stopped the itch immediately, thickened it back up like crazy, then poof.

The itch came back with a vengeance, hair started to thin out both on the temples and crown, losing a ton of hair in the shower every morning (great feeling seeing that first thing in the morning). And it’s been like that for the past 2 years. I look in the mirror and hate the reflection. So yeah obviously sheds are common, but at the same time your genetics are your genetics.