Khair vitalizer for hair greying: Khair never works on Melanin stuff. It will work inside your hair roots. To enhance the melanin properties and natural dye. Click here to know more.    Infused Avaram Senna oil for hair greying: Avaram senna (commonly called Avarampoo) is one of the best flowers on the planet for cleansing, nurturing, and opening hair roots in the scalp. Click here to know more.