If you suddenly notice dark hairs around your nipples, a surge in hormones is likely to blame, according to the Hormone Help Center of New York. Women experience hormonal surges naturally throughout their lives. An increase in hormones can lead to sudden hair growth on your nipples as well as on your face or back.

Unwanted hair growth on your chin is most commonly caused by a surge in androgen--male hormone--production, according to Baylor College of Medicine professor Karen Elkind-Hirsch. Women may encounter this problem during hormonal disturbances caused by stress, menopause, and obesity.

Dandruff is a type of eczema, consisting of small flakes of dry skin on the scalp. A yeast or fungal infection is thought to be a primary cause of dandruff, so effective treatment often consists of using antifungal ingredients.

The biggest mistake that people make when growing out their hair is failing to plan. Growing out short-cropped hair can be tricky, and you should have a game plan if you want to get through the tough stages without taking scissors to your hair and ruining all that you have accomplished.

When your hair is fine or thinning, the cut makes a big difference in the way it looks. You can fool the eye into seeing more hair if you have it cut carefully and styled right.

Individuals experiencing gray hair would do well to consider eating more healthfully. Vitamins C and E have antioxidant properties and can reduce the signs of aging, notes the U.S. Department of Agriculture’s Agricultural Research Service.

When you work out, sweat seeps into your hair, and can make it look greasy and dirty. That's no big deal when you're headed home for the evening. If your day isn't over yet, find ways to make your locks look fresh.

Chemotherapy fights cancer by attacking the fastest growing cells in your body--which in some cases includes the cells in your hair follicles. For many people, the damage to hair follicles during chemo can result in weak or brittle hair, thinning hair or even complete hair loss.

Shaving, plucking, tweezing and depilatory creams are effective but only temporary means to keep hair growth under control. According to the Food and Drug Administration (FDA) electrolysis permanently destroys hair follicles by sending an electrical current through a needle to the hair follicle.

A vigorous workout can leave you drenched with sweat from head to toe. But on a day when you don't have the time or the capabilities to shower and wash your hair after a workout, you may be hesitant to exercise. Don't let the fear of sweaty hair keep you from achieving your workout goals.

Vitamin E is an antioxidant that helps repair and build tissue. When you apply vitamin E to your scalp, it helps reduce inflammation and repair damage to the follicles, and healthy follicles encourage hair growth. Vitamin E is available in pill form as a dietary supplement in the vitamin section of the drug store.

Peppermint oil isn’t just good for making candles or adding a holiday scent to your home -- you can also use it to cleanse the skin and the scalp. Peppermint oil has anti-inflammatory and antiseptic properties, and it soothes an itchy scalp, keeps dandruff at bay and defends against head lice.