1.(+) I tried almost all known brands - this is best for me becoz it gives dark orange( heena alone) n reddish brown color if u add coffee powder ON GREY HAIRS FOR BLACK HAIRS - after 3-4 coating u can get little shade. As only chemicals can change color of black hairs 2. (+) Completely natural , no chemical no indigo ( Indigo will turn ur black hairs into grey very soon) 3.(-) Hairs will gets little dry but this is common for all heena. Add curd