Hair loss can be caused by a number of factors, including hereditary thinning, medical conditions, prescription drugs, psychiatric disorders and over-processing of the hair. Some of the medical conditions that lead to hair loss directly affect the skin of the scalp.

Skin discoloration, or hyperpigmentation, can leave you with unattractive dark areas on your face. When the hyperpigmentation occurs on your upper lip, the condition is called melasma.

Two factors determine hair thickness: the thickness of the hair follicles and the number of hair follicles on the scalp. While genetics play a role in hair thickness, the foods you eat also impact the number and size of the hair follicles on your scalp.

While stretch marks are often associated with pregnancy or gaining weight too rapidly, they can also occur if you build muscle too quickly. Bulking up too fast can make your skin stretch beyond its capacity and lead to stretch marks. Common areas for this to happen when working out are the arms, thighs, back and chest.

Neem oil is a pungent, yellow-brown oil found in the seeds of the neem tree, which originated in India. It is often used as an alternative to synthetic, chemical-based insect repellents and head lice treatments.

Vitamin B is not a single vitamin, but rather a group of vitamins consisting of eight members: Thiamine, riboflavin, niacin, pantothenic acid, B-6, biotin, B-12 and folate. (ref 1) B vitamins are water soluble, which means if you get too much the excess is excreted in your urine and unlikely to cause health problems.

Skin tags are little flaps or knobs of skin that can appear on various parts of the body. The tags are flesh-colored and are benign, though the size of a skin tag can sometimes interfere with normal activities. A child can develop skin tags, also called papillomas, just as adults.

A painful foot is enough to ruin your whole day. If you feel as if you always have a stone in your shoe, you may have a corn or plantar wart. These common foot conditions look similar and are often confused. It is important to know the difference because the causes, treatments and prevention strategies differ.

Plantar warts are noncancerous growths occurring on the bottom of the foot, which is also called the the plantar surface of the foot. Plantar warts are caused the by human papillomavirus, abbreviated HPV, which infects people through cuts in the skin.

Plantar warts appear on your feet, usually at the soles. They're caused by a virus called human papillomavirus. Most warts are harmless, but because plantar warts appear on the bottom of your feet, they're often sore or irritated from walking and friction.

Stretch marks, also called striae, look like pink, purple or white streaks that spread across your skin. They occur because your skin stretches too quickly, such as during pregnancy or weight gain. Many treatments claim to reduce or eliminate stretch marks, but the truth is, there's no sure-fire cure for stretch marks.

A skin tag is a small piece of benign tissue that hangs from the skin, according to Cleveland Clinic. Skin tags are most commonly found on parts of the body where the skin may fold, such as the groin, armpits, the neck and underneath breasts.