MillCreek - Biotin H-24 Styling Gel, 8.5 fl oz gel by MillCreek. Save 13 Off!. $7.79. Mill Creek. Biotene H-24 Extra Body Styling Gel adds extra control and sheen to yourhair. Mill Creek Biotene H-24 Natural Extra Body Styling Gel With Biotin and Silk Protein 8.50 oz