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Due to lack of knowledge of chemoprophylaxis for most diseases transmitted by insects, the use of repellent is considered one of the most important means in terms of combating insect bites and the diseases transmitted that way. According to this trend, the use of repellents applied directly to the skin, and also impregnated into the fabrics used for making clothes have been frequently used and considered of great importance. Permethrin is a species commonly used for this purpose and such possibility exists due to two important facts: it has low toxicity by dermal adsorption and it presents high efficiency in repelling action. Several manufacturing methods are used to fix chemicals into the tissue. In this work, two different methods of fixation of permethrin into tissues were evaluated for their efficiency: exhaustion and padding. In the process of exhaustion, the fabric remains under stirring in bath, in contact with the solution of permethrin. In process of padding, the fabric passes through rollers so that the solution is forced to enter into it. The efficiency of fixation was assessed by quantificating impregnated permethrin and the results obtained indicated that exhaustion procedure was more efficient, when using the same initial concentration of permethrin at both processes, a greater concentration into the fabrics was achieved by exhaustion.