Jerome Russell Hair Color Thickener Spray was created by Jerome Russell as an answer to thinning hair or hair loss. Thinning areas will appear fuller and thicker. Variety of colors allows simple matching. Shampoos out. 
Hair Color Thickener to the area by holding can nozzle about four inches away and spraying until the hair and skin tone match. Spray the hair around the thinning area and blend. Allow area to dry and repeat if necessary until desired coverage is achieved. When hair and scalp are completely dry, use a coarse brush and very gently brush hair into place over thinning area. Your newly sprayed hair and scalp gives the illusion of a thicker, fuller head of hair.
Directions:
Wash with your favorite shampoo. 
Be sure not to use a conditioner or conditioning shampoo. 
Completely dry hair and scalp. Hair dryer may be used. 
Brush or comb hair to be sure it is free of any tangles or knots, leaving bald or thinning spots exposed.