Using a towel to protect your face from UV rays is not an effective solution for blocking ultra violet exposure. In fact, traditional towels only block 6-10% of UV rays. If you are interested in an FDA approved UV blocking solution that stops 97% of UV rays, certified UV blocking fabrics are the most reliable way to protect necks, faces and other sensitive parts from UV overexposure; safely.
The basic science behind UV protective fabric is chemical UV inhibitors and UV blocking weave technologies. To receive UV Block certification, sun protection fabrics must meet stringent industry and governmental guidelines. UVBLOCK® certified means that:
Many indoor tanners have become preventively cautious about tanning the face and neck. Although some tanning beds are equipped with built-in face tanning shields, most tanning devices do not provide this option which can result in tanners using some form of home remedy like towels or clothing to block UV light