Unique scalp innovation in the palm of your hand Better Not Younger's Superpower Liquid Comb scalp massaging applicator's smooth, retractable aluminum ball-tipped dispensers easily part hair and hug the scalp to evenly distribute serum at roots to help energize scalp and follicles.BenefitsMassages scalp.Easily distributes serum to scalp to help boost results.Comfortable and easy to hold. Suggested Use: 1. Open and remove the top cover of the comb by turning counterclockwise. 2. Add the liquid scalp serum* into the filling port using the dropper. Close the cover. Recommend starting with 1 - 2 dropper amounts. Add more as needed. (Better if used with Better Not Younger's Superpower Fortifying Hair & Scalp Serum) 3. Gently press the comb to the scalp so the teeth retract and begin dispensing the serum. 4. Softly slide the comb over the scalp area to evenly distribute the serum. Do not rinse out. 5. Comb can be used without serum as a scalp-massaging tool. Pro Tip: For optimal results apply once daily (day or night, to towel-dried or dry hair). The longer you leave the serum on before washing, the better it works. * Note: Serum not included UPC: 000002585516 Weight: 0.63 lbs