CHI Enviro Flex Hold Hair Spray - Natural Hold by Farouk Cationic Hydration Interlink lets you spray, scrunch, mold, and hold to create multitudes of styles without added weight. CHI Enviro Flex Hold Hair Spray Natual Hold is a style hold memory, fast drying hair spray. Contains an innovative new technology that offers true versatility. It provides incredible shine. Contains less than 55% VOC to help protect the environment.