Hey dear lack of sleep ND poor nutrition s a reason of dark circles too .so take rest ND sleep 8 to 10 hours per day ,take healthy diet as add milk,cheese,butter paneer ,ghee ,green vegetables ,fresh fruits, nuts ,oats ,ragi in diet too I also have sane issue I add these food in my diet ND start using mamaearth bye bye dark circles cream .it's also helps ..u can try it dear..