Sigma Beauty S10 Serum Brush -

A waterproof, perfectly designed makeup brush Helps evenly apply liquid & gel serums onto skin The layers of extra-soft SigmaTech® fibers vary in length Allows for a gentle & beautiful application every time Made of exclusive synthetic anti-microbial fibers Ferrules use durable, corrosion-resistant SigmaAlloy™ & exclusive, patented interlocking technology Solid polymer-based handle is sleek, waterproof & durable Free of latex, BPA & lead