Exogenous ketone acid), β-HB acts like a ketone, providing the body with energy in the absence of glucose. In fact, β-Hydroxybutyrate is the most abundant ketone in the blood during ketosis. Acetone is an organic compound with the formula (CH3)2CO and is one of the simplest and smallest ketones. It is synthesized from the breakdown of acetoacetate in ketotic individuals within the liver. Ketone salts are natural compounds, such as β-HB, that are mixed with sodium, potassium, or calcium to improve absorption and overall bioavailability. Ketone esters are synthetic compounds that link an alcohol group to a ketone body, producing an ester.
Nail polish either makeup or nail coloring, since natural appearances were considered more chaste and pure. In the 1920s, however, women left corsets and long gowns behind, changed to simple loose-fitting dresses, and began to wear color in new makeups and nail products, partly in rebellion to such prim customs of their recent past. Since the 1920s, nail colors progressed from French manicures and standard reds to various palettes of color choices, usually coordinated with the fashion industry's clothing colors for the season. By the 1940's the whole nail is finally painted as before it was fashionable to have the tips bare