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"It&amp;#039;s easy to get lost on Pinterest for hours while pinning genius &amp;quot;why didn&amp;#039;t I ever think to try that&amp;quot; beauty tricks, but pin with caution. Some of the tips below sound like good ideas to try, but they&amp;#039;re more likely to leave you with irritations and breakouts instead.  1. The tip: Make DIY glow-in-the-dark nail polish with glow sticks and a clear topcoat.   The truth: This tip suggests breaking open a glow stick and mixing it with a clear topcoat to make your own glow-in-the-dark nail polish. Sounds easy (and pretty awesome) but in reality, glow sticks were not created to be opened and the chemicals are not meant to come in contact with your skin. The glow stick chemicals can cause a mild irritation, such as dermatitis, or a more severe chemical burn. The safer route would be to buy a premade bottle like this American Apparel glow-in-the-dark nail polish.    2. The tip: Use milk of magnesia as a face primer.  The truth: Milk of magnesia is a laxative and antacid that treats constipation and heartburn. It&amp;#039;s long been rumored to work as a makeup primer and a skin mattifier due to its chalky texture. Although this tactic might work for some, it&amp;#039;s more likely to cause bad breakouts. Here&amp;#039;s why: Milk of magnesia has a pH level of 10 or 10.5, whereas the normal pH of the outer layer of skin is 4.2\u20134.6, meaning milk of magnesia is basic and your skin is more acidic. If you neutralize the acidity of your skin, you&amp;#039;ll create a growth environment for the bacteria, which can&amp;#039;t grow at an acidic level, and cause breakouts. Stick to an actual makeup primer, like this Laura Mercier Oil-Free Foundation Primer, which will mattify oily skin and is actually designed to be used on your face.    3. The tip: Use hairspray to set your makeup.   The truth: Just because hairspray holds your hairstyle in place doesn&amp;#039;t mean it&amp;#039;s going to keep your makeup intact all day. Even if you could bear the fumes you&amp;#039;d be spraying directly at your nostrils, the large molecules in the hairspray \u2014 which is made for your hair, not your face \u2014 can easily block your pores and cause bad blemishes. The spray also contains repellents that can cause red, bumpy irritation on your skin. So, to avoid reactions like these, use a setting spray such as the Skindinavia Makeup Finishing Spray or try this tissue trick and a sheer finishing powder instead.    4. The tip: Use a Mr. Clean Magic Eraser to fix self-tanning mistakes.  The truth: If you wake up with lots of dark streaks from self-tanning the night before, you might run to grab a Magic Eraser because Pinterest said so, but don&amp;#039;t! The sponge is way too abrasive to use on your body, and you&amp;#039;ll end up making your skin sensitive and irritated. Instead, try mixing together water, lemon juice, and baking soda, and use a toothbrush to buff out streaks, or use an actual self-tan remover, such as the Bronze Buffer. It works just like a Magic Eraser except it&amp;#039;s designed for your skin and not for scrubbing permanent marker off walls.    5. The tip: Use permanent marker as a quick fix if you&amp;#039;re out of liquid eyeliner.  The truth: Just because Taylor Swift has done this doesn&amp;#039;t mean it&amp;#039;s a safe beauty hack. There really isn&amp;#039;t a situation where permanent marker is better than no makeup at all, especially when it comes to lining your eye. Your eyes, and the skin around them, are super sensitive and even the faintest fumes from a permanent marker can make them red and irritated. So if you&amp;#039;re out of liquid eyeliner and need a quick fix, grab a liner brush and your mascara and try this trick instead.   6. The tip: Coat your lashes with petroleum jelly to make them appear thicker and longer.  The truth: While petroleum jelly might be a good product to use on dry patches or lips, you should really keep the stuff away from your eyes because it can clog pores and cause pimple-like eruptions along your lashline. If you want your lashes to appear longer, layering on baby powder in between mascara applications or using a lengthening mascara such as Lanc\u00F4me Grandi\u00F4se Mascara are better options.   7. The tip: Apply deodorant over your T-zone to mattify oily areas.  The truth: An antiperspirant is designed to stop sweat and water \u2014 not oil. So, if you&amp;#039;re hoping to prevent your face from getting oily, deodorant isn&amp;#039;t a logical remedy. Also, many antiperspirants contain chemicals that aren&amp;#039;t meant for your sensitive facial skin and can be really irritating. If you know you get really oily midday, carry around blotting tissues, like these E.L.F. Cosmetics Essential Shine Eraser Sheets, and if you don&amp;#039;t have any handy, try another hack like this toilet seat cover trick to sop up the oil on your face.    8. The tip: Roll deodorant along your bikini line to prevent bumps after shaving.   The truth: After shaving your bikini area, the skin tends to be a little dry and irritated, and adding deodorant, which dries out your skin, will only exacerbate the problem. Deodorant contains very few moisturizing components, so if your skin is tender from shaving, use an oil-free lotion such as Cetaphil Moisturizing Lotion that won&amp;#039;t further clog your pores or a gel lotion designed to soothe skin and prevent razor burn, like Shaveworks The Cool Fix Target Gel Lotion.   9. The tip: To clear blackheads, rub half a lemon and a few drops of honey on your nose and chin, let it sit, then wash it off.   The truth: Blackheads are pores that have been clogged with oil, and the oil tip is exposed to air, so it oxidizes and turns black. It&amp;#039;s highly unlikely that lemon juice would be able to penetrate the oil plug and reach the inside of your pores to unblock them. And applying honey directly to your facial skin might actually clog your pores even more. If you have blackheads, use one (or all!) of these seven tips to get rid of them.   10. The tip: Shrink a pimple by dabbing mouthwash on it.   The truth: Mouthwash typically contains chemicals and fragrances designed for your mouth, not the delicate skin on your face. It&amp;#039;s also usually high in alcohol content (unless it&amp;#039;s alcohol-free), which dries and irritates your skin more. Instead, try crushing an aspirin tablet or using the gel from an Advil Liqui-Gel pill, both of which are anti-inflammatory, and applying it to your zit to reduce the swelling.   (All tips are via Dr. David E. Bank, M.D., a dermatologist and founder and director of the Center for Dermatology, Cosmetic and Laser Surgery in Mount Kisco, New York.) Follow Brooke on Twitter. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cosmopolitan.com/style-beauty/beauty/advice/a29163/bad-pinterest-beauty-tricks/>