of your hair you will need to have it cut out first! Semi or non-permanent colors do not affect the ability to straighten hair chemically. You swim in chlorine water often You have fine blonde hair. It can be done but can look dry and damaged and frizz easily. For people with wavy or slightly curly hair that want it straight but still healthy: Wash with a regular shampoo that will remove buildup or at least prevent it. Use a good conditioner that won't weigh hair down but still will condition it. Once out of the shower, wring hair out until it doesn't drip anymore, then dry as much as possible with a towel. Apply a little bit of straightening gel before blow drying and in between towel drying. Blow dry by taking sections at a time and with a flat brush- it takes a while to master exactly how to straighten accurately but it's worth it. Use a little bit of gel or cream or something to keep it straight and non-frizzy. It should last for about 2 days, depending on temperatures. Featured Articles Meet a Community Member Meet John , a semiretired geek and wanderer who has been a member of wikiHow for over 6 years. He spends most of his time on wikiHow reading the articles, but occasionally he writes some himself. Many of the 38 articles he's started have been featured. His proudest achievement is having published How to Plot the Mandelbrot Set By Hand .