Keratin Complex lightweight hairspray that has flexible hold and shine to every style. It is ideal for all hair types especially those looking for a flexible hold. Series: Flex Hold Hairspray. Gender: Unisex. Category: Hair Care. SubType: Hair Styling Products Spray. Beauty group: Hair. Size: 9 oz. Barcode: 810569032578. Flex Hold Hairspray by Keratin Complex for Unisex - 9 oz Hairspray.