It treats and relieves skin irritation, itching and chafing caused by a rash. 20% zinc oxide and 3% calamine create a protective barrier. The ginger root and chamomile in this Thera Calazinc Body Shield reduce inflammation. Essential vitamins such as B, C and E provide the skin with nourishment. This Thera Calazinc Body Shield skin protectant, 4 grams, has an amino acid blend for additional nourishment and healing. .