Article in English: Toothpaste is generally considered the best method for removing Kool Aid. If you have toothpaste on hand, use that before trying other means. Stain removal or whitening toothpastes are probably your best option as they're designed to remove set in stains on teeth and will act similarly on your hands. Look for toothpaste that contains blue covarine, as this has the most immediate effect. You don't need to leave the toothpaste in any longer than it takes to remove the stain. If toothpaste is unavailable, try oils. While not generally recommended to treat Kool Aid stains specifically, oils are often useful for removing dye from skin. They might be helpful for Kool Aid as well. The following oils may help remove Kool Aid:  Olive oil Vegetable oil Baby oil Yet again, kitchen products are not recommended for Kool Aid specifically but have been shown effective at removing dyes. Make sure you dilute any acidic kitchen products, like vinegar or those containing citrus fruit, with water before using them on your skin and avoid contact with cuts or sores. If toothpaste is unsuccessful, you may want to try some of the following kitchen products:  Lemon juice Salt Vinegar As a strong dish soap is used to remove stains from dishes, using a small amount of dish soap on your hands may successfully remove Kool Aid stains. If other means do not work, try simply washing your hands with warm water and dish soap.

Summary in Vietnamese:
Kem đánh răng là lựa chọn số 1. Xem xét việc dùng các loại dầu. Thử dùng các sản phẩm nhà bếp. Dùng nước rửa chén.