Neem, Azadiracta indica, is a cooling herb with bitter and astringent tastes. It is best at reducing aggravated pitta and kapha in an individual. Neem leaves are especially known to purify and cleanse blood, having an impact on the liver and skin organs. In Ayurveda, neem leaf acts as a broad-spectrum anti-microbial and is used in Asia for a wide range of infections. Neem is also a common ingredient used in many soap and shampoo products.