Cloud9 Esthetics provides Best Facial, Threading, Hair Removal Waxing and Eyebrow Tinting Services, Therapeutic Massage in Manassas. Threading is a process in which unwanted facial hair is removed by using twisted cotton thread to pull the hair from the follicle. Threading Services in Reston. The threading process is quite simple and typically involves a piece of cotton thread. Contact: (703) 307 2060