Zero N-O-Dor x2 Powder is for the serious outdoorsman. Contains no fragrance, drugs or antimicrobials. Abscents selectively adsorbs the organic acids that smell. It is hydrophobic so it works excellent even in the presence of water. Safe for daily use. It is not a cover-up. It permanently controls odors. Effective odor control without exposure to fragrances or antiperspirants. Once a week keeps the nastiest shoes and boots under control. Contains Abscents. Use it with boots, shoes, hats, gloves or any other items that need odor control. No fragrances or antiperspirants.