Category: L

Technical term for freckles; small yellow colored to brown-colored spots on skin exposed to sunlight and air.  

Graduated effect achieved by cutting the hair with elevation or over direction; the hair is cut at higher elevations, usually 90 degrees or above, which removes weight.  

Muscles that coordinate with the masseter, temporalis, and medial pterygoid muscles to open and close the mouth and bring the jaw forward; sometimes referred to as chewing muscles.  

Permanent hair removal treatment in which a laser beam is pulsed on the skin, impairing the hair growth.  

Process by which hydroxide relaxers permanently straighten hair; they remove a sulfur atom from a disulfide bond and convert it into a lanthionine bond.  

The bonds created when disulfide bonds are broken by hydroxide chemical hair relaxers after the relaxer is rinsed from the hair.  

A disease that is caused partly by unhealthy behaviors and partly by other factors.  

A firm advocate of the reality of Atlantis. In the seven books he wrote on the subject, including The Problem of Atlantis (1924), he drew on evidence from geology, biology, and archaeology to substantiate the ancient myth. He drew a parallel between the decadence of the ancient Atlanteans and the present- day Europeans, particularly the…

The most successful manufacturer of proprietary medicine in 19th century America. Lydia Pinkham was born and raised in Lynn, Massachusetts. Under her maiden name, Lydia Estes, she became a schoolteacher, and an activist in the causes of slavery abolition, temperance, and women’s rights, and a devoted disciple of the natural diet program of Grahamism. She…

One of the 20th-century’s leading chemists, born in Portland, Oregon, and educated first at the Oregon State Agricultural College (now Oregon State University) and then at the California Institute of Technology (CIT), from which he received his Ph.D. in 1925. His main work in chemistry was in determining the nature of chemical bonds and molecular…