Test review for Cosmetologists and Barbers to pass the written part of the state board exam: test questions for human hair extentions, Kanekalon-synthetic fiber hair extension Nylon or rayon synthetic extension material reflects light and shines more and is less expensive than kanekalon hair, but can cut or break the hair and might melt at the presence of high heat. Extensive shampooing can alter the texture of the synthetic fibers, Yarn is an extension material made of cotton or nylon blend. Lin is a black and brown colored cotton like flammable fabric made of wool from Africa that has no shine. Yak is an extension material made of ox hair found in the mountains of Tibet and Central Asia; it is sometimes mixed with human hair to reduce shine from the hair. Braiding styles: visible braid, invisible braid, rope braid, fishtail braid, single braids, and cornrows. Locks, also called dreadlocks, are made of natural hair that has been mashed to a specific texture to form hair strands bound together with the use of chemicals (styling aids and the like) or by double twisting, not combing or brushing the hair, coiling, wrapping with cord, and braiding. The form is based on heir length, density, and coil pattern of hair. Learn about Client consultation and safety precautions for braids and hair extensions, and facial shapes to observe for hair extensions, and tools for braiding. Wigs are artificial coverings of hair concealing 100% of clients’ hair; could be made of human hair or artificial materials. Human hair wigs and synthetic wigs, their advantages and disadvantages; wig cost per quality; wig construction: cap, cap-less, hand tied, semi hand tied, machine made wigs, wig fitting procedure, how to cut the wig (test questions only, no demo), hairpieces, toupees, custom made toupees, hair extensions, bonded method, fusion method. This Video is for beauty school students to pass the state board of barbering and cosmetology written exam by BeautyHealthTravel Channel.