Scala Shapewear reduces the appearance of cellulite and the waistline and is the only brand of shapewear with documented proven effect. In an independent university study from 2009, 82% of women who participated noticed significant reduction of cellulite and waist and thigh measurements after just 30 days.***The BioFir Leggings come in a high-tech lightweight material. If you require a heavier yarn, please see our BioPromise range.PLEASE NOTE: Scala Anti-Cellulite Shapewear garments are designed to maintain their anti-cellulite properties with regular hand washing or gentle machine washing.