Usilam powder also known as "Arappu" in Tamil is a traditional herbal powder widely used for external applications especially in South India. It is derived from the leaves of the Albizia amara tree which are sun-dried and finely ground into a soft powder. This herbal product is an eco-friendly chemical-free alternative to commercial shampoos and soaps. Arappu has been used for centuries as a natural hair cleanser and conditioner. When mixed with water it forms a smooth paste that can be applied to the scalp and hair. The paste lathers naturally effectively removing dirt excess oil and impurities while leaving the hair soft shiny and well-nourished. It also helps in cooling the scalp relieving heat-related issues and preventing dandruff and hair loss.