2B Optical Brightener Powder

How they work
Optical brighteners absorb ultraviolet light that humans cannot see

• They re-emit the light in the blue region of the spectrum, which humans can see

• This makes the material appear whiter or brighter

Where they are used

• Laundry detergents: Optical brighteners make clothes appear whiter and brighter

• Paper: Optical brighteners enhance the appearance of paper

• Plastics: Optical brighteners improve the color of plastics by masking yellowness

• Cosmetics: Optical brighteners are used in cosmetics

• Hair care products: Optical brighteners are used in hair care products