Revitalash is a cosmetic product designed to enhance the appearance of eyelashes. It typically comes in a small tube with a brush applicator, allowing users to apply the serum directly to the base of their lashes. The formula often contains a blend of peptides, vitamins, and botanical extracts aimed at promoting healthier, fuller-looking lashes. Many users report improvements in lash length and thickness after consistent use over several weeks. Revitalash is often marketed as a safe and effective option for those looking to achieve more voluminous lashes without the need for extensions or falsies.