What it is: A smoothing and hydrating primer that grips your foundation into place and boosts its staying power so your look lasts all day. What it does: This complexion primer goes on sheer with a silky-soft texture and leaves skin feeling hydrated. It preps and smoothes skin then grips your makeup in place, but it's so lightweight that you can even wear it on its own. The primer also helps reduce fine lines and leaves skin feeling slightly