Cetaphil is a line of over-the-counter skin cleansers and moisturizers offered by Galderma Laboratories, a Texas-based joint venture between L'Oreal and Nestle.

Whether you call them grandma arms, bingo wings or bat wings, no one wants flabby, jiggly underarm skin. While age, gravity, diet and lack of exercise play a role in developing excess underarm skin, there are measures you can take to fight unsightly hanging flab.

Scar tissue develops after skin heals from wounds and might be unsightly in certain instances. There are myriad creams and ointments available for treating scars and helping them shrink in size or disappear. Some of these ointments are more effective than others.

Acne, or acne vulgaris, is an inflammatory skin condition that causes pimples, white heads and blackheads. Contrary to popular beliefs, particular foods do not cause acne, according to the American Academy of Dermatology. Certain foods and nutrients may, however, may help prevent or reduce your acne symptoms.

African American skin that is acne prone or sensitive is typically blemished by areas of hyper-pigmentation. These darker areas of skin are the the remnants of rashes and bumps or the result of injury to the surface of the skin caused by squeezing old pimples.

Cholesterol spots are bumps of fat that develop underneath your skin. They are also called cholesterol bumps, or more formally xanthomas. A xanthoma does not pose a health risk unless it grows large enough to impede breathing, vision or other bodily functions.

Your risk of getting skin cancer from tanning is decreased if your skin is light brown, moderately brown, dark brown or black, according to the American Academy of Dermatology. However, skin cancer is a possibility for anyone who intentionally seeks out the sun, regardless of skin tone.

Cystic acne represents the most stubborn, difficult to treat acne. These bumps are large and deep, having a diameter of 5mm or more, and are filled with pus. In addition to their unsightly appearance, they can be painful and cause scarring.

Acne is a disorder of your hair follicles and sebaceous glands. Your sebaceous glands produce an oil known as sebum that travels to the surface of your skin via the hair follicles. The hair follicles may become clogged, especially during periods of high sebum production.

Because teenagers are growing at a rapid pace, it is common for stretch marks to occur. Also known as striae, stretch marks occur when the skin is stretched beyond its growth capacity. Most teenagers experience stretch marks on areas where rapid growth occurs, such as the breast, thighs, hips or buttocks.

Dry skin is a common problem affecting most people at some point in their lives, but washing with cold water is generally not a contributing factor. Dry skin can be treated with and respond to a variety of treatments, some of which require the attention of a medical professional.

The most common cause of itchy skin on the stomach is dry skin, also called xerosis. According to the Mayo Clinic website, xerosis may occur with fluctuations in weather and humidity, either naturally-occurring seasonal changes or man-made changes from air conditioning and heating.