The best time to apply any hair tonic is at night. The reason being, there is no dust contamination of hair at night. The essential ingredients present in the hair tonic can penetrate deep into the scalp and create wonderful effects on the hair. Ecovani Hair tonic for instance is comprised of many essential oils and gives its best results when left undisturbed for few hours after application on the hair. The Ecovani Hair tonic vitalizes & nourishes the scalp to hold the hair better. The hair in turn gets better nourished and becomes soft with regular application.