Generally speaking, liquid foundation and concealers last for six months and the powder versions can last for two years. This is because bacteria cannot grow where there is no water, and powder makeup does not generally contain water. Similar to foundations, liquid and powder products have different expiration dates with powder makeup generally lasting much longer than liquids. Since these products come into contact with your eyes, which can be sensitive and vulnerable to bacteria, they should not be used past their expiration dates. Mascara should be tossed after three months, due to it being an ideal environment for bacteria to grow. The tube is a dark, moist environment, which can foster the growth of harmful bacteria. Liquid and gel eyeliners should be thrown out after three months. Cream eyeshadows should be used for no longer than six months. Pencil eyeliner and powder eye shadows can be tossed after two years. Lipstick and gloss can last for two years and lip liners can last even longer than that, since sharpening them removes the old surface. Liquid lipstick expires after six months, due to the close contact with the mouth. When you purchase makeup, use a permanent marker to write the date that you purchased the makeup on the outside of the packaging. You can also use a notebook to write down the purchase date or use a spreadsheet to record purchase history. This will help you keep track of what you purchased and when, preventing you from accidentally using expired makeup.
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One-sentence summary -- Learn the shelf life of face makeup. Understand expiration dates for eye makeup. Know when to toss lipstick. Record expiration dates.

Q: If someone is lying to you, there's a good chance that electronic proof exists. People often log their locations and activities on social media. Texting and instant messaging also make up a large portion of person to person communication. If you can gain access to someone's phone or social media account, you will likely know who they are talking to and what they have been doing. Think long and hard before you go snooping around in your partner's digital accounts, though. What if they aren't lying? Are you going to lie about doubting them and invading their privacy, or come clean? If you believe someone is lying about where they are going, you can find out with a simple stakeout. Go to the place that they claim to be and keep yourself out of sight. Watch closely to see what time they arrive, what time they leave, or if they were even there at all. If their story checks out, they were telling the truth. If not, you have proof that they were lying to you. You may want to hire a professional (such as a private investigator) if you might need proof for legal proceedings, such as evidence of infidelity for a potential divorce. Also, stakeouts aren't as easy or as fun as they might appear to be on TV. If you suspect someone is lying to you, you can always ask other people they know. You can ask bluntly ("Were they really with you last night?") if you are comfortable doing that. If not, you can try to get the information you need through casual conversation ("Did you two have a good time last night?"). A skilled liar will try to concoct a good "cover story" for the people you're likely to ask; but those people may not be good liars themselves. If you've built up a strong case that the person isn't telling you the truth, go ahead and confront them directly with the evidence: "I'm sorry, but your story about what you did last night just doesn't add up, and I'm confident that you're not telling me the truth. What really happened?" The person will either finally come clean, fumble around trying to build another lie around the old one, or get upset that you don't trust them. If you're worried they'll respond poorly, wait until you're both calm and composed before confronting them. If the person is a compulsive liar, don't assume that catching them in a lie will cause them to change their ways.
A: Look for digital proof. Conduct a stakeout. Verify their story with friends or family. Confront the liar.

Article: You don't actually need to locate split ends to tell if your hair is damaged. It will feel dry and tangled if it is. However, if you want to find the split ends, closely examine your hair with the help of a mirror and good lighting. Split ends occur most often at the tip but can show up anywhere in your hair. Split ends and related damage can occur in several different forms. If you find any of the following, you may want to remove them: Hair tips splitting into two or more strands White dots at the end of your hair Single strand knots (more common in dry, curly hair) A hairdresser can always trim off split ends, but will usually remove about 14 to 1 inch (0.6 to 2.5cm) of your hair along with them. Eventually, all hair will wear out enough to require this treatment. How long you wait between haircuts depends on your hair type, hair health, and how much time you're willing to spend hunting down your own split ends. This can be anywhere from 4 weeks to 3 months. If you aren't trimming split ends yourself, avoiding the hairdresser will not save your long hair. Neglected split ends will become weaker and weaker, eventually breaking off. If trimming off split ends are affecting your hair length goals, consider having your hair cut into layers. Ask the hairdresser to trim damaged hair in the surface layer, while leaving lower layers and length intact. If you have afro-textured hair, a mild texturizer can achieve a similar effect, allowing you to manipulate your hair more easily and avoid trimming healthy hair. There are conditioners and other commercial treatments that claim to "heal" split ends. These seal the split ends shut to hide them from view, but the damage is still there. You can use these as a temporary fix, but relying on them long-term may dry out your hair and lead to worse damage.
Question: What is a summary of what this article is about?
Check for damaged hair. Cut your hair regularly. Take steps to save hair length. Treat hair repair products with caution.

Problem: Article: Make sure to really saturate the wrinkle with the oil so the leather around it will become supple. The oil will help protect your shoe from damage when you apply heat to the leather. You can buy leather oil, such as mink oil or neatsfoot oil, at a specialty leather shop or wherever leather shoes are sold. Move the nozzle of the heat gun around, never staying in one place for more than 2-3 seconds. The whole process will probably take about a minute. Lighter leathers are susceptible to discoloration when they're exposed to heat, so test a small area on the heel of the shoe before applying heat to more visible areas. The combination of oil and heat should make the leather pliable. Use your hands to stretch and smooth the crease until it starts to fade. Insert the shoe tree as tightly into the shoe as you can. As your shoe cools, the smooth texture will become permanent. Be sure not to tighten the shoe tree too much. Since the leather is hot, it will be prone to stretching.
Summary: Moisten the crease with a special leather oil. Use a heat gun or blow dryer to soften the leather on the top of your shoe. Massage the leather until the crease disappears. Leave the shoe on a shoe tree as it cools.

Article: This helps prevent smudging and errors, as it'll be easier to paint your non-dominant hand rather than your dominant hand. Stretch your fingers out wide to prepare you for painting, and pay extra attention to your dominant hand when painting it using your non-dominant hand. Painting your pinkie first and then moving around your fingers to your thumb will help prevent smudging.
Question: What is a summary of what this article is about?
Paint your dominant hand first to make the process easier.