Amway product are world standard. I am using persona coconut oil from past elevan months.coconut oil of Amway is pure no adulteration is in their product.My hair become blackish and strong. Oil give pure nourishment to scalp .Massage of these Amway oil produce hair growth stronger and shiny.These oil is edible also because in Kerala people used this oil in their food.When apply to hair no coconut like smelly property observed.Product is costly but it's a pure, edible, coconut oil.coconut oil massage is best therapy for dead scalp.