hiya mui
glad to have u back on site!
retention + liquid from creative nail design is a primer optional liquid.
it's unique technology means that it bonds covalently with keratin.
this is the stongest bond that is possible.
this means that in most cases, primer is not neccessary to aid bonding.
however, some clients suffer extreme lifting, even thou' the prep & application is perfect.
these clients may need extra help & this is where you can use acid-free primer as well as scrub fresh, & nail fresh.
hope this helps
love liza xx