Qvc Make Your Selection: ProStrong Advanced Fluoride Strengthener Duo

What is it: A highly concentrated fluoride treatment that helps harden nails.Who is it for: Anyone who wants stronger nails.Why is it different: This set includes two bottles of the fluoride strengthener.How do I use it: Apply it on bare nails or polished nails. It will bond with the natural calcium in your nails to harden them.From ProStrong(R) Nail Care.Includes:

• Two 0.5-fl oz bottles of ProAdvanced Fluoride Nail Strengthener
• Cannot ship to AK, HI, VI, PR, Guam