Optical brighteners are chemical compounds that absorb light in the ultraviolet and violet region of the electromagnetic spectrum, and re-emit light in the blue region by fluorescence.
These additives are often used to enhance the appearance of colour of products, causing a “whitening” effect.
Optical Brightener; commonly known as OB-1, OB, OB-ADV of superior quality.
Shiner; Improve the shining of products