1. After the hat is dried, apply it to the stain with Blue Moon hand washing or deep cleaning laundry liquid stock solution, completely cover the stain, let it stand for 5 minutes (gently scrub), and add Blue Moon laundry liquid for routine washing;

2. If the above method can't remove the stain, then

(1) hat made of white cotton, linen and polyester: add 1 bottle cap (40g) and blue moonlight white clothing dye (600g specification) into half a basin of water, stir well, put it into the hat and soak it for 30min, then rinse it off. If the stain is still not removed after soaking for 2 hours, take out the clothes, add 1 bottle cap into the basin, stir well, and put it into the hat to continue soaking. The cumulative soaking time shall not exceed 6 hours.

(2) White hat made of color and other materials: put the hat into the basin and stick the stained part on the bottom of the basin. Use blue moonlight clothing to dip the bottle cap (600g specification) to measure the blue moon collar of 1/4 bottle cap (10g) and1/4g bottle cap (10g) stained with colored clothing. If the stain is still not removed after 2 hours, the standing time can be extended to overnight.

Note: the color stain of white clothes is suitable for white cotton, linen, polyester, polyester cotton, cotton and linen fabrics. Please do not use it for chlorine-free bleached clothes such as silk wool, spandex and nylon. Do not use the stock solution directly. Color stains on colored clothes are not suitable for faded clothes and dry cleaning clothes. Avoid touching metal buttons, zippers, metal ornaments, etc. Avoid direct sunlight on clothes.

If you have any laundry problems in your life, please feel free to consult WeChat: Blue Moon Scientific Laundry.