Take a small section from the underside of your hair and use a cotton ball to apply peroxide. Let it sit for a few minutes, then check it. You can leave it in for up to 30 minutes if desired, but rinse it out with cold water when it reaches your desired color. Make sure to pay attention to how much time it takes to reach the desired color and use this time to help you determine how long to leave the peroxide on the rest of your hair. It is important to do a strand test because hydrogen peroxide may result in damage to your hair. Once your hair is reasonably dry, section off parts of hair you want bleached with claw clips. Sectioning your hair will help you make sure you treat every last lock with peroxide. If you want a very even bleach, the claw clip method is highly recommended. It takes more time, but it looks more professional and it offers more even highlights. Leave the first section of hair that you want to treat down. You'll unclip further sections as you go. For bringing out natural highlights, apply peroxide with a cotton ball. Pour some peroxide on a cotton ball. Smooth it over vertical sections of hair that are about 14 inch (6.4mm) thick. Start at the roots and stroke down to the tips with the cotton ball. Wrap each hair section in a piece of tin foil to keep the peroxide from getting onto the rest of your hair. Repeat this process with multiple sections of your hair for all over highlights, or just do a few sections towards the front of your face for face framing highlights. If you want an ombre look, start applying the peroxide near the ends of your hair. Use a cotton ball to apply peroxide to the bottom half of your hair all around your head. To avoid a blunt, horizontal line through your hair, apply the peroxide to a different spot on each strand of hair. You should still aim to apply it somewhere near the middle of the strand. You can go as far up the strands of hair as you want, but make sure to begin the application at your ends. This way the tips will be a brighter blonde and the color will fade to a darker shade as you move up towards your roots. To bleach all of your hair, use a spray bottle to spray the entire section of hair you left down. Spray it thoroughly and run a comb through your hair multiple times. Repeat with the remaining clipped sections of your hair. After you have finished applying the peroxide, put on a shower cap to keep the peroxide from dripping or touching your clothes. Depending on how dark your hair is, how light you want it, and how much irritation the chemical may cause, you'll want to experiment and play around with it. Use your strand test to help you determine how long to leave the peroxide in your hair. You may only need a few minutes, or you may need the full 30 minutes. When you are ready to rinse, remove the tin foil or shower cap if you used them. Shampoo your hair to remove the peroxide, and rinse with cool water to add shine. The conditioner will help to restore some of the lost moisture. Add another coat of deep conditioner to your hair. Massage it into your scalp to ease any dryness or irritation the peroxide might have caused. Rinse it out with cool water. Allow your hair to air dry, then style as desired.
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One-sentence summary -- Do a strand test. Section your hair with clips. Apply the peroxide to sections for highlights. Apply peroxide to the bottom half of your hair for an ombre effect. Use a spray bottle to apply peroxide to your whole head. Leave the hydrogen peroxide in your hair for about 30 minutes. Wash your hair thoroughly with cold water and apply conditioner.

Items to remember include: deodorant, toothbrush/toothpaste, shampoo/conditioner, body wash, face lotion, face wash, hairbrush, styling products, contact lens case/solution, hand sanitizer, razor/shaving cream, feminine hygiene products, and lip balm. Try to get as many items as you can in travel-sized containers. Local drugstores offer mini versions of commonly used toiletries, or you can buy your own travel-sized containers and fill them yourself. For a 5 day vacation, you will want to bring 2-3 pairs of shorts or pants, 3-4 tops, a light jacket (or a heavy jacket, depending on where you are traveling), and 1 formal outfit if you are planning on attending a nice restaurant or event. If you are going to the beach, pack 2-3 swimsuits/trunks. Try to coordinate all clothing items so they can be worn with each other in any combination. Bring 1-2 sleep outfits for the week. If you tend to get cold at night, you may also want to bring a light sweater to put on in the evenings. If you are trying to save space, you could plan on wearing the same shirt you wear during the day to bed at night. Bring 1 pair of comfortable shoes for walking. If you are planning on going out, bring 1 pair of dress shoes or flats that go with your outfit. For the beach, bring 1 pair of sandals. The fewer pairs of shoes you bring, the lighter your bag will be. Don't forget to pack shoes for any special activities you will be doing, like mountain climbing or white water rafting. Wear your bulkiest pair of shoes when you are traveling to your destination to save room in your luggage. Bring 4-5 pairs of underwear, 4-5 pairs of socks, 2-3 undershirts/bras, and any slips or specialty items you might need (for example, if you need a backless bra for a dress). If you have limited packing space, bring fewer pairs of undergarments and plan on washing dirty clothes in the sink where you are staying. Some accommodations offer washing and drying machines that you can use while you are traveling. Some things you may like to have with you are sunglasses, scarves, hats, jewelry, ties, and belts. If packing jewelry, be careful to not bring anything extremely valuable in case it gets lost or stolen. It can also be fun to buy new accessories as souvenirs when you travel, like scarves or hats. If you think you may like to do this, leave those items at home to save space. Items to remember: cell phone charger, voltage adapter, video/MP3 player, earphones, camera, electronic reader. For a 5 day trip, you might not need all of these items, so think carefully about what you are planning to do on your trip and what you'll need to take with you. This will help ensure you don't run out of anything while you are away! If you take birth control pills, remember to bring those along with you, too. Bring a list of medications with you to keep on hand in case there is an emergency on your trip.
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One-sentence summary --
Bring the necessary toiletries on your trip. Pack enough clothes to last you the week. Remember to bring clothes to sleep in! Plan your footwear carefully. Pack your undergarments. Choose your accessories carefully and coordinate with your outfits. Bring electronics and chargers along with you. Refill any medications you will need the week before your trip.