ProStrong Advanced Fluoride Strengthener Duo
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