Sally Hansen Diamond Strength nail hardener virtually ends nail cracking, splitting and peeling while locking in moisture. Noticeably harder, stronger nails instantly. Guaranteed. Grow healthy-looking nails in 5-7 days. Titanium and Micro-Diamond formula instantly bonds to strengthen and seal fragile nail layers with a virtually shatterproof, protective shield. Locks in moisture to nourish and help stop breaking so nails can grow.
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