US Patent No. 9,474,705 B2; ELC Management LLC has patented a method for whitening discrete hyperpigmented spots on skin by applying a liquid pigmented treatment composition that has at least one skin whitening active in a polymeric coating material comprising 1-35% dimethicone silylate; from 1-50% of a volatile solvent selected from the group consisting of isododecane, dimethicone and mixtures thereof; from 1-50% of a non-volatile silicone oil having a viscosity of 20 to 200,000 cst at room tem...