Millions of women and men use hair dye to enhance, update or change up their look. Most people tolerate hair dye without a problem, but it can cause a reaction in some users. These reactions, known as contact dermatitis, are due to various chemicals in different types of hair dye.

Fiberglass, a common ingredient used in the manufacture of insulation, boats and window treatments, can be an irritant when the small glass fibers become embedded in the skin and cause itching.

Originating in India thousands of years ago, Ayurvedic medicinal treatments are complementary and alternative medicine, or CAM, in the United States. Typically, ayurvedic treatments are an option when standard treatments have been found unsatisfactory.

Itchy hands may be caused by a variety of skin conditions including psoriasis, poison ivy, chickenpox, winter itch, dry skin or eczema. Scratching your hands may feel satisfying, but dirt and bacteria underneath your fingernails can cause an infection on the skin.

Irritated, itchy skin in the area below the knees can range from mildly uncomfortable to downright disruptive. A persistent itch can lead to continuous scratching that may damage the skin.

When hair follicles are damaged by friction from clothing or blocked by skin cells, the result can be folliculitis, a bacterial infection. Itching, redness and the appearance of white, pus-filled bumps are symptoms of folliculitis.

So you're sitting in a job interview, on a first date or even standing at the altar when it happens: your foot itches uncontrollably. It's not some garden variety itch that will eventually go away if you don't think about it.

Red bumps that itch can have several causes. According to Medline Plus, mosquito, flea and mite bites usually cause red bumps to appear on the surface of the skin. Folliculitis, dermatitis and allergic reactions are other causes of red bumps that itch.

Anal itching, or pruritus ani, is a common yet embarrassing problem. Anal itching is usually an isolated symptom in a healthy individual. People are able to treat many causes of anal itching at home.

Scabies is a skin infestation caused a tiny mite called Sarcoptes scabiei. The six-legged mite is highly contagious and spreads from person to person through prolonged, direct contact skin contact with and infected individual. The female mite burrows under skin to lay eggs, causing tiny bumps to appear on the skin.

Reflexology is an ancient art that may help you relax and reduce stress. Practitioners use gentle pressure from their thumbs and fingers to stimulate specific reflex points on the soles of your feet thought to correspond with each of your organs.

Ringworm is a fungal infection involving the skin. Different types of fungi affect various parts of the body, including the scalp, groin, foot and body. Jock itch, also referred to as tinea cruris, is a ringworm infection in the groin. Ringworm thrives in warm, moist environments and spreads easily between people.