Revlon Uniq One Superb New Revlon Product... Uniq ONE is a fantastic leave-on mask that offers TEN real benefits to ensure hair is left healthy beautiful and protected. Uniq ONE assists the repair of dry damaged hair controls frizz and shine provides heat protections promotes silkiness and smoothness stops hair color from fading with UVA and UVB filters makes styling with brushes and hot styling tools easier contains detangling qualities provides long-lasting styles prevents split ends and adds voluminous body.