new on here diagnosed with bc had op awtg chemo

hi all i’m 30 was diagnosed with bc last month i’ve had 2 lumpectomy ops with removal of all lymph nodes on right arm pit. Wtg for chemo to start on 10 jan having 6 cycles of fec-t. Then to have mastectomy and recon. Extremely scared, firstly on how i will cope with cold cap and second if it doesn’t work. Anyone with tips pls post x