Brazilian Hair you may hot curl your human hair weave just as lengthy as you are doing not curl it also much as well usually. This will vary from person to person depending upon how extensive a person wants to maintain the hair weave on the lookout healthier and all-natural.Synthetic hair nlike human hair weave, sythetic hair weave can not be hot curled since the synthetic fibers will melt. You could use styling sprays as lengthy since the sprays are not used as well typically, you are able to also use sprays on synthetic hair slightly bit a lot more and usually than you would on human hair.ombing and Brushing Human You can comb and brush your synthetic hair weave during the similar manner you would your real hair.