When doing an eyebrow waxing, learn how the wax goes over the skin on the direction of hair growth and it is fulled off on the opposite direction of the hair growth.his educational eyebrow and hairline hair waxing hair removal class is for estheticians, skin care therapists, cosmetologists, beauty school students, hairdressers and salon and spa professionals. Guest artist for waxing: Amy Ponce, Model: Lucia, video by BeautyHealthTravel channel N.Z.