YourZooki Hair Zooki 30 x 15-ml Blueberry Sachets/Vegan 30 Servings Hair Zooki contains a highly absorbable blend of Biotin (1000mcg), Zinc (10mg) and Selenium (55mcg) delivered using Zooki’s special Lipo-shield™. This supplement is ideal for anyone looking to support and promote hair growth and nourishment from within. Whatever your hair type or gender, Hair Zooki is a simple and healthy addition to your haircare routine. While most people take Biotin for the hair benefits, its goodness doesn’t stop there. Biotin, Zinc and Selenium complex also supports the health of your skin and nails.