Himalayan Chandra Neti Spray Extra Strength Hypertonic saline spray protect, cleans, moisturize and soothe your delicate nasal passages. Neti Spray Extra Strength Hypertonic Saline Spray is a sterile natural soothing saline spray. Applying a gentle fine mist in the nose is an excellent way to keep the nasal passages moist. Neti Spray Saline Spray comes in both an isotonic and hypertonic concentration.