Harshen launin shuɗi yana samo launi mai laushi idan an wanke shi a cikin dankali.
Ana shafe abubuwa daga cikin zane mai laushi, kara da teaspoon na soda buro zuwa ruwa. Zai warke launi na samfurin, kawar da ƙanshin gumi. Lokacin da ka shafe abubuwa masu sanyi na hunturu, ƙara teaspoon na glycerin zuwa ruwa a karshe na wanke - za su zama softer.
Don ci gaba da wanke samfurin da aka lalata da kuma fure, bayan wanke shi ya kamata a rinsed shi cikin ruwa mai dumi tare da kara glycerin (teaspoon na lita biyu na ruwa), sannan - a cikin sanyi tare da adadin ammonia.Don mayar da bayyanar asalin sutura, za a iya wanke shi a cikin ruwa, inda a cikin 'yan sa'o'i ne aka kwance wake. Ana wanke kayan wanke a cikin ruwan dumi, dan kadan ya bushe kuma ya bushe, yada, misali, a kan tawul.