Dermedy Better Back Acne Spray 100 ml Product Details Dermedy Better Back Acne Spray An acne body spray combining science and nature together, - Salicylic acid concentration of 2% and Tea Tree Oil help to treat and prevent all acne problems. it also decreases the redness and irritation that comes with red, tender pimples. - Witch Hazel helps minimize pore. - Tranexamic Acid and Acai Berry help reduce dark spot and whiten skin - Aloe Vera and Centella asiatica extract help reduce acne inflammation. help healing by speeding up skin cell production and collagen synthesis. It's also antibacterial, and may increase antioxidant activity.