If you are having thinning of the hair, it is hard to grow back your hair without surgical intervention. There are medications like minoxidil and finasteride that help with male pattern baldness, but the success rate varies.
If your hair is severely damaged, it will not be possible to get a color that requires pre-lightening, such as pink, without risking severe damage and breakage.
Coconut oil will help keep your hair silky and smooth so it's easier to comb through. Leave it in your hair for 20 minutes or overnight to condition it.
It is possible that if you treat the immunological and endocrinological diseases that your hair may grow back. I would consult an endocrinologist or immunologist about your hair loss.
Your hair will get stronger if you adjust your diet to get nutrient-rich food. Make sure you stay hydrated by drinking a lot of water as well, or else your...