Antihistamines are designed to help block an allergic reaction whether it’s on your skin or within your body, such as your nasal cavity or sinuses. When you have an allergic reaction to something, you won’t always develop a skin rash to accompany the signs or symptoms of an allergic reaction.

Retinol and glycolic acid are chemicals commonly used in skin treatments. Retinol, a form of vitamin A, has a number of physiological effects on your skin, both when ingested or applied topically. Glycolic acid belongs to a family of alpha-hydroxy acids that have an effect on your skin when applied topically.

While first-degree burns typically don't leave scars, a severe burn can leave a lasting mark on your skin. Coping with a burn injury is difficult, especially when the burn is on a highly visible part of the body. Burns cause stress, pain, discomfort and self-consciousness. Scars add to this burden.

Acne found along your chest and decolletage can make you feel awkward and self-conscious when you wear low-cut shirts. In the summer, you may even find yourself avoiding the beach. Luckily, you can treat your chest acne in the same way that you treat the acne on your face.

Tanning beds utilize bulbs that give off artificial light that results in a tanned appearance. While they may help a person achieve a darker tan, tanning beds have recently been under fire for being a known carcinogen--a cancer-causing agent.

Acne breakouts south of the border are a common problem and may be exacerbated by exercise. Butt blemishes aren't a pretty sight, but there is plenty you can do to prevent and treat them.

Vitamin E is a fat-soluble vitamin that has powerful antioxidant properties. In addition, vitamin E functions in the immune system and aids in tissue repair. Vitamin E oil supplements are used to treat a variety of conditions, including dark spots on the skin.

If the first thing you do before cooking a potato is peel off the skin, you're not alone. Although many people choose to peel the skin away from the potato before cooking and eating, leaving the skin on could be a healthier choice.

Acne, otherwise known as pimples, blackheads, whiteheads or simply zits, are the bane of teenagers the world over, although people of any age can develop acne. While many foods have been cited as a potential cause of breakouts, little evidence exists to support this idea.

Cigarette smoking causes premature aging and symptoms such as wrinkles and lines. According to the Mayo Clinic, nicotine in cigarettes narrow blood vessels in the outer layers of skin and reduce blood flow to these areas.

Oily skin poses a higher risk of blackhead and whitehead formation, which could develop into acne flare-ups. According to the Doctors Book of Home Remedies, oily skin is hereditary as well as a result of hormonal imbalance during puberty, pregnancy or menopause.

Acne marks are technically known as post-inflammatory hyperpigmentation, a normal part of the skin’s inflammatory process, according to SkinCarePhysicians.com. Acne marks are not permanent, but they can take up to two years to fade away on their own.