Arappu is a powder made from the leaves of arappu tree. When the leaves are fully grown, its plucked, sundried, and made into powder. Its botanical name is Albizia amara. Arappu acts as a natural conditioner. After having a nice hot oil massage, having a hair wash with arappu powder is the most relaxing thing. Arappu powder is mixed with shikkakai powder to get a good lather. Arappu cools the body and it is chemical-free. Arappu powder is an herbal powder made from the leaves of the arappu tree (Albizia amara). It is commonly used in South Indian households for various purposes. The powder is made by drying the leaves and grinding them into a fine consistency.