The brand says most buyers choose the 6-bottle package. Here is the plain math behind that choice.
Price per bottle
The 6-bottle package costs $49 per bottle, compared with $69 for 3 bottles and $79 for 2. The regular price is $179 per bottle.
Total savings
Six bottles total $294 instead of $1,074 at the regular price, a saving of $780.
Regular price vs package price
What a day of Nail Defender costs
2 bottles
3 bottles
6 bottles
Package total divided by the listed supply days, rounded.
Supply length
Six bottles cover 180 days. Since nails grow slowly and the brand recommends steady use over weeks, a six-month supply keeps your routine going without reordering.
Free shipping
The 6-bottle package ships free within the US.
Compare everything on the packages page.


