4 months postpartum help

KRISTINA • 👣
So I'm 4 months pp and I just went back to work a week ago. I'm loosing my hair like crazyyyyy OMG it's not even funny. I have to basically vaccume my room daily or there is hair everywhere and since I've been back to work I'm loosing my milk supply big time :( I feel like I only get about an oz out of each boob a day? What can I do so I don't loose my milk ?