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 overlay acts as a false layer of nail, protecting the nail plate from splitting or becoming damaged. Typically, these methods require the assistance of a trained professional. Cheaper, less rigid tips that can be quickly glued at home are an option to those unwilling to enlist one. Another inexpensive option are stick-on nails, the durability of which ranges from one day to two weeks. Historically, artificial nails were common symbols of status all across the world: "The earliest experiments and resultant artificial nails used a monomer and polymer mix applied to the nail and extended over a supporting form. This