A substance or property that soothes inflamed skin.

Acetone is a strong solvent that is used in nail polish removers. It is appropriate for natural nails only. It can be found in some astringents/toners/fresheners.

A molecule produced by B cells that circulates in the bloodstream and neutralizes antigens (antigens are harmful invaders of the immune system).

A sanitizer used to disinfect salon implements.

An artificial nail tip plastic. The "virgin" variety is the least likely to crack.

A product that works under the surface of the skin and provides the necessary ingredients for melanin production, which will accelerate the rate at which the skin tans. An accelerator is most effective when used after a shower or at least four hours before tanning.

A water-soluble conditioning agent that is compatible with anionic and nonanionic systems as opposed to quaternary surfactants compatible only with cationics. This agent's primary purpose is to add shine.

This acid is present in vinegar and is sometimes used to remove oil from the skin.

Acetylated lanolin is an agent that forms a protective coating on the skin's surface and helps prevent moisture loss. It is a hypoallergenic agent that smoothes and softens the skin.

Acids are used in skin care products to stabilize formulas that have an unwanted alkaline level. Its purpose is to change the pH level of a substance.