However, many people try hair, skin, and nail vitamins to boost their everyday appearance.
Others take them when they notice a dull complexion due to aging, environmental factors, or inadequate nutrition.
Yet, the main ingredients in most of these supplements are B complex vitamins and in particular, biotin.

Most people with healthy diets get an adequate amount of nutrients from food.
If your vitamin levels are healthy, you may simply need to adjust your lifestyle habits.
For hair, be very careful to not use too much heat and chemicals on a regular basis.

For skin, use a moisturizer and sunscreen, and stay out of the direct sun.
Totreat brittle nails, keep them out of water which can expand the nail bed and make them weak.
