Zenius butt & thigh kit is for removing the dark spots in the bum and thigh areas. These areas develop darkness due to the least ventilation in these areas and add to it the constant rub against the clothes. This makes the skin rough and also develop dark spots as there is no proper oxygenation of the cells. The bum and thigh kit helps to maintain the nutrition level of the cells and thus preserve the natural skin colour. In addition, the bum cream softens the skin and keeps it hydrated. How to Use Massage the Bum and Thighs with the Bum & Thigh cream and gel until the cream is thoroughly absorbed into the skin. The cream is quick to be absorbed and leaves no oily stains.