Here at Beautiful Bohemian we grow our own sage (non gmo, no pesticides or chemical fertilizers).
The sage is infused into many of our shampoos. I am not a Doctor.
It is said that sage has many benefits for Hair.

Sage contains beta-sitosterol, a 5-alpha reductase compound which has been found to be effective in treating male pattern baldness and alopecia.

Contains vitamins A, B, E and the Minerals potassium and calcium. These are key to nourishment and strength of hair.

Helps fight premature greying.

Stimulates the scalp to increase blood flow to the follicles. This helps with hair growth and reduces shedding