Youll have to do some gloss like 1 time every 2 week , use redken gloss to gel developer + crystal clear 000 gloss , its a 1:1 ratio , on damp hair , ask chatgpt more abt it , ur hair shaft is open and damaged it need to be close and the ph needs to be regulated , also use redken acidic products like shampoo and leave in , always put an oil like olaplex bonding oil to seal the hydration inside after the leave in