Lips dry out at night because all the moisture evaporates off your delicate lip skin. Drinking water doesn’t help. It’s a like a dolphin drying out when he’s out of water — giving him water to drink won’t help. Applying a barrier to prevent water from evaporating will help.

• Use petroleum jelly (Vaseline, Aquaphor) or any lip balm that you like. Keep it at your bedside. Apply whenever you wake up.
• Use a room humidifier and avoid antihistamine sleeping medications such as diphenhydramine.
• Sleep with your mouth closed (not so easy, though).

Photo: Leo Reynolds, Flickr CC

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I just got back from a conference in Hawaii. Did I get a base tan first? No. Why? Because it does more harm than good.

Tanned skin is damaged skin. Even if the base tan helps prevent sunburn, you had to damage your skin to get that tan in the first place. Using artificial tanning to rush a tan before you get on your flight can be even more damaging.

Go to Hawaii, swim with the dolphins, lounge by the pool. Cover up, wear sunscreen, sit in the shade. Your skin needs a vacation too.

Photo: J Benabio, MD

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No. Unless you’re malnourished, eating more steak or other protein won’t significantly affect your hair growth. For your hair to grow you need to be free of disease, have your stress under control, and eat a well balanced diet.

Iron and biotin are essential for hair growth. If you’re a vegetarian or you don’t have a healthy diet, then consider iron and biotin supplements. And if you smoke, even occasionally, stop.

Photo credit, FCC, Mike Baird.

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Many people notice that after drinking alcohol their face turns red. Often acne or rosacea looks much worse. Sometimes people become sweaty and flushed. This is because your liver is eliminating the alcohol in your body and creates acetaldehyde, a toxic by-product. Acetaldehyde causes facial redness, flushing, sweating, and nausea. Asian people are more susceptible. In this video I explain how this happens, why it happens to people of Asian descent more often, and how you can avoid having a red face.

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Warts aren’t just for witches. People of all ages and races get warts, those ugly, sometimes painful skin growths, most commonly found on hands, feet, and genitals. That’s because warts are caused by a virus, the human papillomavirus (HPV), that’s highly contagious and easily transmitted. You can get a wart by touching someone else’s warts, by touching contaminated surfaces such as soiled towels, or by picking at a wart, causing it to spread to other areas.

Here are three ways to keep warts from spreading on your hands:

1. Stop chewing your nails. Nail biting is the fastest way to spread warts. Nail biting causes tiny tears in the skin on your fingertips and on the nail beds which pokes a whole huge in your front line defense against HPV. The virus finds these tiny openings, takes root, and grows.

2. Stay moisturized: By keeping your skin moisturized, you create a powerful barrier against viruses. Remember that moisturized skin is healthy skin. When skin is dry and cracked, it’s vulnerable, making it easy for HPV to enter the skin and infect you.

3. Wash your hands regularly: Hand-washing is cheap, easy, and effective in the battle against spreading warts. Make sure to wash your hands with soap and warm water for at least 20 seconds and to dry them throughly with a clean towel, paper towel, or air dryer.

Photo credit, FCC, koiart71.

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Melanoma is a deadly form of skin cancer. Catching it early is critical. The best way to find melanoma is to check your moles using the ABCDs. However, nodular melanomas can be trickier to find. A recent study from the Archives of Dermatology suggest that we might be missing these nodular melanomas which might be the reason why the death rate for melanoma has not improved in 20 years. How can we find nodular melanomas? Add “E” to your ABCDs.

• Is the mole Asymmetric?
• Does it have irregular Borders?
• Does it have more than one Color?
• Is the Diameter larger than 6 mm?
• Is it Evolving (changing) or Elevated?

In this video I’ll explain how examining your moles for the ABCDEs is the best way to catch melanomas as early as possible and to minimize the chances that it has spread.

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Do you break out in an itchy rash or develop itchy pink welts when you exercise? If so, you might have exercise urticaria. This is a common problem that can range from  mild to debilitating. Exercise urticaria is triggered when immune cells, called mast cells, release histamine, causing the pink welts and intense itch. It’s thought to be the result of exertion and changes in your skin’s temperature. Once you develop the itchy rash, it’s difficult to treat. So the best defense against exercise urticaria is to take an oral anti-histamine, such as loratadine, about 30 minutes prior to working out.

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Millions of patients turn to Dr. Oz for advice about their health. He makes complicated health issues easily understandable. Like any doctor, we don’t expect him to be correct all the time. Recently he made a mistake. He recommended using tanning beds for their health benefits.

The only known health benefit of ultraviolet B light (which is in some, not all tanning beds) is to increase vitamin D levels. We know that using tanning beds increases the risk of getting melanoma and the risk of getting other skin cancers. Fortunately, we also know there’s a safe and inexpensive way to increase your vitamin D3 level — simply take vitamin D supplements.

I’m sure if he  consulted a dermatologist (and it needn’t be me), then Dr. Oz would be better informed and would modify his advice. Melanoma skin cancer rates are increasing (while most other cancers are falling) and death from nodular melanoma skin cancer is unchanged despite decades of advances in medicine. We need to give our patients the best evidence we have so they can keep themselves and their families safe.

If this issue is important to you, then please help me by sharing  your thoughts with Dr. Oz and his audience.

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We’ve all heard it a million times. The #1 thing you can do to prevent catching a cold is to wash your hands. But what happens when all the hand-washing causes other problems like extreme dryness?

In wintertime as temperatures drop, the relative humidity in the air also drops causing moisture to evaporate more quickly on your skin and leading to dry skin. Now there’s dry skin, and there’s really dry skin. The other day a patient splayed her hands out in front of her, and asked, “What do I do?” Her hands were cracked and bloodied, her nails were peeling and brittle, and she was clearly frustrated. She told me she washes her hands several times a day so she won’t get sick. She’s doing the right thing, sort of.

It’s true that frequent hand-washing reduces the spread of colds and flu, so I don’t want you to stop. Here’s what you need to do instead:

1. Moisturize every time you wash your hands. When you wash your hands with soap, especially harsh antibacterial soap, you strip natural oils off your skin, leaving it vulnerable to dryness and cracking. The only way to return moisture to the skin is to apply moisturizer. Look for hand moisturizers that contain dimethicone or silicone which helps sooth and moisturize skin and form a protective barrier that won’t leave your skin greasy, such as Eucerin Plus Intensive Repair Hand Creme. Once you find a moisturizer you like, buy several and place them everywhere you might use them, such as on your desk, in your car, next to your bathroom and kitchen sinks, on your nightstand. Every time you wash your hands, apply the moisturizer. Yes, every time. Massage it into your hands and nails. If you do this consistently, you should notice a significant improvement within a week or two.

2. Use alcohol hand sanitizers more frequently. Though it may seem strange, water-less hand alcohol sanitizers are actually much less drying than hand-washing because they don’t strip the oils off your skin. Dry skin is an oil problem, not a water problem, so you want to preserve those protective oils on your skin to keep it moisturized. Make sure you use hand sanitizer that contains at least 62% alcohol to kill germs. Also, make sure you rub it vigorously into your hands, including between your fingers and along your nails, until the gel has completely dried. Though effective in killing germs related to the common cold, hand alcohol sanitizers are not as effective in fighting methicillin-resistant Staphylococcus aureus (MRSA) bacteria infections as once thought. According to a news release today, the FDA is going to start cracking down on companies who issue false claims regarding hand sanitizers’ ability to kill MRSA bacteria.

Hopefully, by following this routine, you’ll end up with both soft hands and a soft nose.

Photo credit: primaverapvr

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Many of you are trying to lose weight in 2012 (W00t!) Did you know that you might be helping your acne as well? Obesity can lead to excess hormones such as androgens and insulin-like growth factors which trigger acne. Losing weight can help reduce your hormone levels and improve your acne. Have you lost weight and seen your acne improve?

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