Mamaearth Charcoal Kajal: Buy a pack of 2 Charcoal black long stay kajal with vitamin C & chamomile for an 11-hour smudge-free stay at Rs 299 worth Rs 598 from Mamaearth. Get free shipping on orders above Rs 399. Apply the coupon code to get this offer. Also, get an extra 5% off on prepaid orders. Let your eyes do all the talking with the Mamaearth Charcoal Black Long Stay Kajal. Waterproof & smudge-free, the Kajal glides on effortlessly, adding a glossy sheen and a rich color that stays for 11 hours. Shop now