Kayyanyadi tailam is a herbal oil formulation.

Its usage:

It is used in the treatment of split hairs, hair fall, baldness and grey hairs.
It strengthens teeth and is good for eyes.
It is used to apply over the scalp.
It is used as a hair oil.
Kayyonyadi tailam  ingredients:

Kayyonni (Bhringaraja) – Eclipta alba – juice extract – 1.024 liters

Guduchi – Tinospora cordifolia – decoction -1.024 liters

Amalaki – Emblia officinalis – juice extract – 1.024 liters

Taila – Coconut oil – 768 ml

Payasa – cow milk – 768 ml

Madhuka – Licorice – Glycyrhiza glabra – 48 g

Anjana – Berberis aristata – 48 g

Reference: Sahasra Yoga