PCOS hair loss

Yaz • 28y | Baby boy born 12 June ‘19! 🧔🏻👩🏻🐱👼🏻👶🏻
Every time I have a shower I clean up a handful of hair from the drain, there's hair everywhere in my house, and I've had enough! I'm on Metformin 1000mg/day. Very irregular cycles though. 
Is anyone else going through this and are there any remedies for it?