With human hair wigs, you can what is called "finger style" your wig where you use your fingers to style and gently move the fibers of wig. If small knots accumulate at the end of your wig, you can use leave on conditioner to help detangle the fibers. Pick apart the knots near the end of the hair and work your way up to the top. Use a moderately warm curling iron, dryer, or rollers of the proper size to reshape your's wig's curls. If you want a straighter style, just take 1" sections of the hair and run your flat iron across them. Some customers ask why their wig lose its style after a wash. The style of the Human hair wigs will always wash out after you wash it because the factory style is made by setting, not by perm.