I had many troubles with my hair after I bleached it for the first time. My hairdresser helped me out with some of these products so check them out, you might find it helpful
For hair strength :))
Don't Despair Repair Rice Water Protein + Moisture Strengthening Treatment
For me this one gave INSTANT results. It can be used on any type of hair but don't overuse it
The Kure Intense Bond Repair Hair Mask
My friend used this specific shampoo after split hair dye. She told me it helped her deal with dead ends and dryness of her hair
Extreme Bleach Recovery Shampoo
Now, I don't know should I count this in but this hairbrush kinda helped me destroy my damaged hair a little less because it is really soft and detangles perfectly