Self-tanners work by reacting with the amino acids in the dead cells of your skin's outer layer, creating a temporary brown color. elaborate
Some moisturizers contain humectants, which draw moisture *from* the air to your skin. elaborate
Facial serums are often lightweight and quickly absorbed because they have a higher concentration of active ingredients and a lower concentration of water than other skincare products. elaborate
The first mass-produced nail polish was created in the 1920s, inspired by car paint. elaborate
Setting spray, despite its name, doesn't actually "set" makeup in the way setting powder does; it more accurately *blends* and *extends* the wear time. elaborate