Our hat foam cleaner contains coconut oil diethanolamide, sodium bicarbonate, sodium citrate. It can be efficiently cleaned, leaving no trace, no odor, refreshing and clean, mild formula, comfortable experience, strong applicability, safe and reliable. Its application is simple: Spray the cleaner on the foam for 5-10 minutes and gently wipe away the foam and stains with a clean soft cloth or sponge. Spray the foam evenly on the surface of the hat and wait for it to fully penetrate and break down the stain. It can effectively dissolve oil and sweat stains, improve cleaning ability, and help remove stubborn stains.