Ear hair canal is sometimes trimmed for cosmetic reasons. Excessive hair growth within or on the ear is known medically as "auricular hypertrichosis". Some men, particularly in the male population of India, have coarse hair growth along the lower portion of the helix, a condition referred to as "having "hairy pinnae"" ("hypertrichosis lanuginosa acquisita"). Hair is a protein filament that grows from follicles in the dermis, or skin. With the exception of areas of glabrous skin, the human body is covered in follicles which produce thick terminal and fine vellus hair. It is an important biomaterial primarily composed of protein, notably keratin.
Artificial nails and his brother, Tom, patented a successful version and started the company Patti Nails. Fred Slack used his dental equipment and chemicals to replace his natural nail, but over time the process has significantly changed. In the late 20th century, artificial nails for women became widely popular all over the world. In today's time there are even nail styling competitions. Judges of these nail competitions look for consistency from nail to nail. They also judge whether or not the nails complement the model's hands. If the nails are beautiful, but too long for the model's hands, the judge will count