Asana Vilwadi Thailam formulated on kerala ayurveda principles.As there is use of keram oil(coconut oil) as the base hence the name.
Its usage:
In treating earaches, tinitus.
Eye pain, infection of eyes.
headaches.
How to use:
Application over the head or as karna purana(filling in the ear), also as tarpana karma for eyes.
Asanavilwadi enna (Thailam)  ingredients:
Asana – Pterocarpus marsupium
Vilwa – Aegle marmelos
Bala – Sida cordifolia
Amruta – Tinospora cordifolia
Madhuka – Licorice – Glycyrhiza glabra
Nagara – Ginger – Zingiber officinalis
Triphala – Terminalia chebula, Terminalia bellirica, Emblica officinais
Cow Milk
Taila  – Sesame oil or coconut oil
Reference: Sahasrayoga.