INSTANTLY FILL IN THINNING HAIR WITH UNDETECTABLE FINISH: Made from just 3 natural ingredients, Lichen Hair Thickening Fibers bond seamlessly to existing hair for a real hair effect that's invisible to the eye. Perfect for enhancing the crown and partline, our fibers are designed with follicle-mimicking molecules for the most natural blend. Use Lichen Hairline Powder for areas with less hair.!