TATSAT Ayurvedic is an eye soothing hand made made as per the 5000 year old kerala traditional process by an ayurvedic doctor.The chakshushya (nourishing the eyes) herbs Thriphala,daruharidra,sahadevi and tulsi are processed for 21 days to get the maximum benefit. The medicated soot is made from these chakshushya herbs using the traditional castor oil lamp method.This medicated soot is the source of pure black color for our . The presence of pressed castor oil ,desi cow's hand churned A2 ghee and pacha karpooram makes this exceptionally good for your eyes.Our is a lab tested one and it is inline with the recommended parameters.It doesn't contain any parabens ,or mineral based colors.It is 100% safe for as well.