Is yarn bad for your hair?
Does yarn damage your hair? No, yarn doesn’t damage your hair if you keep vigilant about the build-up that will occur at the base of some braids or twists. I have had some breakage due to poor detangling sessions after removing the yarn.
What is twisting of yarn?
Twisting, in yarn and rope production, process that binds fibres or yarns together in a continuous strand, accomplished in spinning or playing operations. The direction of the twist may be to the right, described as Z twist, or to the left, described as S twist. … Yarns made into crepe fabrics have maximum twist.