Oziva Face Mask Offer: Get Free OZiva Hydra Plus Ultra Nourishing Moisturising Gel - 50 g + OZiva Jade Gua Sha Stone - 1 N worth Rs 1398 from Oziva. The minimum order value required at Rs 799 to get this offer. Apply the coupon code to get this offer. This gua sha will naturally promote blood circulation which thereby works like a massage tool to improve skin tone, texture and reduce wrinkles.