Excellent eyelash treatment works well in strengthening and stimulating lash & brow hair follicles to grow. It is developed to promote healthy, stronger lashes and brows. You can also use this treatment while wearing eyelash extension to keep your natural lashes healthy. The ingredients used help to stimulate blood circulation and provide nutrients to the roots of your eyelashes and eyebrows. Increased blood flow helps to activate the roots. This will create the appearance of longer, thicker lashes and brows. It is imperative to use Excellent Eyelash Treatment twice a day every day for over 3 weeks in order to see results. Shake well before use and apply to lash line.