Sibel Practice Head Cathy is a beautiful practice head to practice various techniques. Sibel Practice Head Cathy has 100% real light brown human hair. This practice head has a classic implant and fits on any clamping tripod. Sibel Practice Head Cathy has a super dense hair structure which is almost identical to scalp hair. All Sibel practice heads are only processed with real human hair unless stated otherwise. The practice heads undergo 7 purification baths for perfect hygiene. Sibel Practice Heads are implanted per hair according to normal growth pattern and density so that the hair feels like real hair when treated.