Instantly healthy and stronger looking nails 2 out of 3 agree nails look stronger Instantly healthy and stronger looking nails Formulated with Platinum powder plus a flexible brush for easy, contoured application Toughen up weak, fragile nails! For the full regimen, wear it as a base coat under our Mega Strength Color and Mega Strength Top Coat Use Mega Strength Hardener alone, or wear as a strengthening base coat for your Mega Strength nail color.