Barrier-Base Coat prevents dehydration, splitting, flaking and chipping of these nails and helps nails to retain their flexibility. Its aqueous formula provides to the nail plate moisturizing and restructuring active ingredients from the Proflex complex: calcium, silk amino acids and essential component of keratin. Barrier-Base Coat forms a protective barrier between the nail plate and nail color, prevents yellowing of nails and improves adherence of nail polish.