A method of treating a textile, the textile carrying a stain. The method comprises the following steps: (i) applying a liquid detergent composition in the form of a foam to a textile, the liquid detergent composition comprises a time dependent fading chromophore, and carriers and adjuncts to 100%; (ii) waiting until the foam, as applied, has changed colour from its originally applied colour; (iii) rinsing the portion of the textile to which the foam has been applied with water; and, (iv) drying the textile.