When a simple comb, hairspray or styling product isn't enough to create the hairstyle you want, here's hair gel for you. DEPOT 300 HAIR STYLING NO. 313 MEDIUM HOLD GEL. Allows you to shape your hair to your exact specifications, creating a perfect, salon-worthy style. It simultaneously provides a strong hold and strengthening effect that will keep each strand in place, ensuring your hairstyle stays in place all day long.