Hair extensions are widely used accessories these days and more and more women are wearing them. They are popular because they offer so many benefits. Hair extensions can easily and quickly add length and volume to your natural. You can get the coloured without damaging them with harmful chemicals and you can change your look every now and then without any hassles.Remy hair extensions are the extensions made from human that is collected from a single source or from one donor. They have intact cuticles and are aligned in the same direction.