Why Is Windex Blue?

The reason most glass cleaners on the market are blue is that, during the 1960s, Windex's original recipe used a translucent blue dye to help it stand out from the pack. In response to this product's popularity, many customers began associating the color of light blue spray with glass cleaners.

Does Windex have dye in it?

The S.C. Johnson website lists Windex's ingredients as water, 2-hexoxyethanol, isopropanolamine, sodium dodecylbenzene sulfonate, lauramine oxide, ammonium hydroxide, fragrance, and Liquitint sky blue dye.

Does blue Windex have ammonia?

A: Most Windex^® Glass and Multi-Surface Cleaners are formulated with detergents, solvents, fragrance and in some cases ammonia (see below for ammonia-free products).