What can i do for Super healthy hair?

I really want my hair to be extremely healthy. As of now I use Mastey (sulfate free shampoo) and tresseme conditioner (smooth and sleek), dont blow dry or straighten my hair, comb it with a wide toothed comb when wet, spray it with leave in conditioner, and take biotin. What else can i do?? Also, is sleeping with wet hair very bad? because often I have to unless i want to stay up very late. and is blowdrying on cool damaging at all??What can i do for Super healthy hair?
dont shampoo it everyday, do it every other day and dont straight it often, blowdrying is acceptable. ALso if you want your hair to look big as in volumnize then get short layers on top soo when you have your hair down it makes you hair looks heathyWhat can i do for Super healthy hair?
Use a sulfate free shampoo. they are hard to find in the grocery stores. wet head is controversial, so try and dry it best you can. Indian women use henna and other means on hair (neutral henna is non staining)

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