There are places on the body that you don’t want tanning solution to over absorb. These include places like the hands, feet, cuticles, toenails, fingernails, and knees. Barrier Cream is easy to use and perfect for providing a barrier and preventing solution build up on areas that may be susceptible to over-reacting to DHA solution. The pump allows you to control the level of cream you are applying. Go lightly to allow some color blocking or a bit heavier with the cream o completely block solution effects.