Nasya means instillation of Ayurvedic Oils or Powders in Nose. It is amongst the five main Panchakarmas as told in classical texts of Ayurveda. Generally it is carried out after Mukha Abhyanga and Sweda.
Nasya is a Detoxification process mainly of the head and neck region. For a healthy life, every person should undergo Nasya Panchakarma to detoxify the Urdhwajatrugata Pradesha i.e. Head and Neck region and prevent of diseases arising from Vaata and Kapha Dosha.