Hair growth serum

Hair growth serum is made with an ingredient known to help stimulate new hair growth and improve the strength and shine of hair as well. 
Rosemary extract has been proven to increase hair growth, shine, and volume. 
Usage: apply this serum directly to the scalp while sectioning the hair using the dropper tip. Use enough to lightly coat the area of concern. Gently massage into the scalp with fingertips. 
Method 1: leave on for either 15-20 minutes and then shampoo as usual. 
Overnight method: leave on scalp over night and shampoo the next morning. (best results)