Powder bleach, also known as lightener, is a chemical compound used to lighten hair color. It is typically used with a developer to create a bleaching solution. Powder bleach is available in a variety of strengths, from mild to strong. The strength of the bleach will determine how much it lightens the hair.
Powder bleach is often used to create highlights, lowlights, or ombr effects. It can also be used to remove unwanted color from hair. Powder bleach is a powerful chemical, so it is important to use it carefully and according to the manufacturer's instructions.