Neelayamari (Indigofera tinctoria) is native to South and South East Asia. Neelayamari is a woody shrub with a purple-blue colour flower. The seeds of the herb is yellowish red. Neelayamari also has an antioxidant and antibacterial activity. Neelayamari oil is used for premature greying of the hair, hair growth, dandruff, hair dye and dry hair. Neelayamari is mainly used in the form of hair oil for stimulating hair growth and in the form of hair pack for dyeing the hair.

A book based on research.