Here are a few of the chemicals in tobacco smoke and other places they are found: Acetone â found in nail polish remover. Acetic Acid â an ingredient in hair dye. Ammonia â a common household cleaner. Arsenic â used in rat poison.
Dimples are especially common in the face, because the muscles pull the skin on the face around, instead of just pulling around bones. The face also has bits of body fat, which cause the dimples to be more visible. Most cheek dimples are the result of a shortened muscle, zygomaticus major, pulling on the skin. There are dimples in the chin and the elbows, as well. At rest, it's not noticeable, but as the muscles around it pull into a smile, its shortness creates divots in the face.
(dim'pÄl), 1. A natural indentation, usually circular and of small area, in the chin, cheek, or sacral region. 2. A depression of similar appearance to a dimple, resulting from trauma or the contraction of scar tissue. 3. To cause dimples. /dimÂ·ple/ (dimÂ´p'l) a slight depression, as in the flesh of the cheek, chin, or sacral region. postanal dimple a dermal pit near the tip of the coccyx, indicative of the site of attachment of the embryonic neural tube to the skin.