can any one advice me out i charge some acceptable advice on stimulants i accept this bloom project

I ambition to accomplish absterge at home application accustomed soap. I anticipation of abacus artificial blooming tea and neem (Azadirachta indica) juice/water to the shampoo. What added herbs can I add?
I reside in India, and avocado, rosemary, lavender, etc which are frequently acclimated in bootleg shampoos in the west are not calmly accessible here. Can anyone advice me out here?

PS: I am not absorbed in added haircare recipes and SPECIFICALLY wish to accomplish SHAMPOO.