Blest Professional Hair Care Hair Wax Stick with Biotin & Lavender. This hair wax stick provides exceptional hold and control helping style hair and achieve perfectly sleek edges. Enriched with Biotin known for its hair-strengthening properties, which helps to fortify each strand while providing a natural-looking shine. Infused with lavender to help soothe the scalp and give hair a refreshing scent. Create endless sleek, polished looks.