It s A 10 makes the best products for damaged hair. It'S A 10 -Miracle Leave-In Plus Keratin 4 fl oz 2 pack instantly restores the look and feel of health to tired, frazzled locks. This nourishing formula detangles, eliminates frizz, and adds shine to damaged tresses. It also protects hair from heat styling and humidity while making strands feel irresistibly touchable and silky soft.