Tulsi, also known as Holy Basil or Ocimum tenuiflorum or Ocimum sanctum lamiaceae, is revered in Ayurvedic scriptures. Tulsi is the most important of the herbs used in Ayurveda. It is used to treat common colds and coughs, as well as bacterial and viral infections, stress, anxiety, and depression. Tulsi extract is also used to treat hair and skin problems.