The ultimate product for a truly beautiful dark tan xen tan have pioneered the use of precious argan oil in this formulation the concentrated liquid lotion is even easier to apply and provides a silky moisturising feel if you thought xen tans dark lotion range was dark youll be seriously surprised with moroccan tan an innovative liquid lotion with premium argan oil combined with xen tans trusted tanning formulation this silky and lightweight weekly self tan glides easily onto the skin