User:Sydykim8/sandbox

Dry shampoo- Ingredients Notes

 * Many dry shampoos contain three main ingredients: a starch, a hydrophobic emollient, a propellant (in aerosols), and optionally clay or perfume components.
 * The starch is used to absorb oil, the emollient is used to soften the hair, and the propellant is used to expel dry shampoo from an aerosol container.
 * Examples of starches commonly used include cornstarch, potato starch, tapioca starch, rice starch, wheat starch, and cassaya starch.
 * The hydrophobic emollients are often long-chain alkanes, like hemisqualane, silicones, and petroleum based cationic surfactants.
 * Common propellants in aerosol dry shampoos include isobutane, dimethyl ether, carbon dioxide, and nitrous oxide.

Dry shampoo- History Notes

 * The term "dry shampoo" was used to describe a foam hair product used by barbers before it was used to describe the modern powder-based dry shampoo.