Trichilemmal cyst Trichilemmal cyst A trichilemmal cyst, also known as a wen, pilar cyst or isthmus-catagen cyst, is a common cyst that forms from a hair follicle. They are most often found on the scalp. The cysts are smooth, mobile and filled with keratin, a protein component found in hair, nails, skin, and horns. They are, however, clinically and histologically distinct from trichilemmal horns, which are much more rare and not limited to the scalp. Trichilemmal cysts may run in families and they may or may not be inflamed and tender, often depending on whether they have ruptured. Rarely, these cysts may
Artificial nails can also be a risk when nails are applied by a disreputable nail salon that doesn't follow sanitary practices. There is concern over the flammability of ingredients used to make acrylic nails. It is suggested that they be kept at a distance from hair straighteners, dryers or curling irons, as well as from heat and flames when cooking, in order to avoid potential flame hazards. From an occupational health standpoint, there could be hazards to nail salon workers who are exposed to the chemical fumes from artificial nails during their entire work shift. Ethyl methacrylate can be used for artificial