A natural vegetable soap for long lasting lingerie Not only do stains come out well, but also uses a gentle formula that cares for underwear that touches bare skin. You can gently clean & refresh underwear that are close to your skin and delicate bras that you don't want to lose their shape. No additive: Fluorescent brightener, bleach, preservative, coloring agent, synthetic surfactant, animal-derived material. Use 97% or more of natural origin ingredients. Comes with a sponge that also becomes a soap holder. How to use: Wash the bra or underwear in a shower at 40°C or less for about 30 seconds. Scrub the soap with the given sponge and wet the sponge Wash laundry with the foamy sponge Apply hot water below 40°C and gently rinse as you push hot water until it becomes clear. Gently push the water off, gently with a towel, absorb extra water. Hold the bra behind the hook and dry under two places under the cup. To prevent the underwear from stretching, pinch and dry two places on the left and right of the waist. Soaps should be well drained, placed on sponges and kept well ventilated for longer use. When the dirt is severe, it can be used as a partial wash before washing with a fully automatic washing machine.