This Is Him Undressed is an eau de toilette. EDTs tend to have a lower scent concentration than EDPs, with up to 15% of the cologne made from fragrance oil. EDTs tend to have a sillage of about three to four hours, depending on the scent and application. Warmer climates and different body chemistry can change how the longevity of the cologne. This Is Him Undressed can be purchased at major department stores, but FragranceX is a solid option for buying perfumes and colognes online. FragranceX sells authentic, quality fragrances at discount prices, allowing you to save up to 80% off.