Personal Salon’s organic-bonding Diamond Overlays permanently and safely bond to your natural nail. You’ll simply need to reapply when it's time to fill in the new growth. Normal nail growth will require you to reapply the product in about three weeks from your initial application. Maintaining your nails is straightforward and simple. Blending of fill lines is extremely simple. You can touch up individual nails as you want, or do all at the same time.