The Neef 552 Supreme Taklon Rigger brush is made from a modern synthetic hair which keeps its point beautifully when placed in water.This brush is used and recommended byHermanPekal. Named on the brush. Also thisbrush is endorsedby world renowned watercolorist, David Taylor, the author of the book Solving the mystery of watercolour. Originallyhe tested this brush with a synthetic / sable mixture but he found that the hair spread when pressure was applied. The uniquesynthetic hair meets his exacting standards