Synthetic hair filaments have become generally accepted as an excellent alternative to natural hair makeup brushes and in the cosmetics area work best for applying creams including primer, concealer, foundation, eyeliner, lipstick and lip gloss, eye brow creams and gels. Synthetic hair is not real hair, but polymer filaments made to look and act like hair. The best synthetic hair brushes are constructed using a mixture of filament diameters to achieve the flow of colour from the brush to substrate. The spaces between the shafts of hair hold the colour, which is displaced by the air when being used.
Synthetic hairs are available in a variety of diameters, lengths, colours, stiffness, and qualities. The synthetic makeup brushes vary in thickness and resiliency, the filament comes to a tapered point and some are grooved or roughened to hold product. Just as with natural-hair brushes, manufacturers may blend different synthetic filaments to achieve desired characteristics. Natural hair may be part of the composite as well taklon and nylon are among the more popular choices of synthetic hair.
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