These brows are incredible! For women and men who have very thin or lost their eyebrows due to any cause; Alopecia Areata, Trichotillomania, Genetic Hair loss, Chemotherapy, etc, this is an amazing option for you! The brows are made of silicone material and injected with human hairs. They come in three different shapes and 10 different colors! Once adhered onto the skin, the brows literally look like they are naturally growing from the brow area.