First time deadlifting (50kg)

Hi guys! I need help for my form and tips stuffs! (I don’t have no one to talk with about gym stuffs😅) it’s my first time doing deadlifts. (I lifted 50kg) could you guys check if my form is okay or not? Also do u guys have tips for sweaty hands? I saw sum videos they use white powder but I’m not sure what that is? How to also build your strength? THANK YOU SO MUCH IN ADVANCE I WILL REALLY REALLY APPRECIATE IT IF U GUYS WILL COMMENT TY TU 💕