a razor head having a plastic body with a rear cover and a front guardbar that define surface points for engaging the skin of a user . a razor blade unit is disposed on a support of the body and has at least one cutting edge . a series of strands extend over and perpendicular to the cutting edge , which protrudes by at least 0 . 02 mm beyond a tangent plane formed by the skin - engaging surface points of the guardbar and the cover .