does not strengthen nails [SEP] this is just an expensive bottle of clear polish it does not strengthen my nails they still bend a better choice for me is the dollar store polish it cost less and does the same thingnail envy is a product that will strengthen the nails it strengthens the actual nails it is not a quick fix it is applied in polish form after a few weeks the nails get stronger harder and the damaged is repaired the nails will grow long and strong if used as directed nail envy strengthener is specifically for weak red peeling nails that have been damaged by wearing acrylic nails gel polish wear and tear etcit is their original formula and it is about bucks they have colorsclear and blush i recommend the clear only the blush will streak when appliedi was going cheaphoping this would work as well nail envy is more expensive but that is what i am going to buy i know it works