Doris Day M.D. Rapid Growth Serum rejuvenates and supports hair follicle growth. This advanced formula features clover and aloe extracts to help stimulate hair growth and support a healthy scalp. The serum nourishes hair from the root, promoting thicker, fuller-looking hair with continued use. Unlock your hair's potential with this revitalizing serum, and see visible improvements in hair density and overall health. This serum may improve keratin production to promote hair strength.