Thank you for visiting abhair.com. Our hair extension experts! And, like you, our passion for hair is an extension of our personality. You know, the low quality of human hair is placed in acid bath, completely destroyed the cuticle? This is a problem, because the acid treated hair no natural luster, so it is covered with a layer of silicon, giving it a smooth and shiny look. The problem is, after a few times, silicon loss, hair becomes dry, tangles easily.