CND RXx Nail Strengthener
- Resists chipping, splitting, peeling and cracking
- Breathable: water and oxygen permeable
- Omega-6, Omega-9, vitamins A, B and E
- Fast-absorbing, quick dry
- Free from toluene, DBP, camphor, xylene, TPP, parabens
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A breathable nail strengthener with conditioning oils and vitamins for weak, peeling nails. Size and application frequency are not given in the listing details.
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ASIN: B0C9SLQYBJCategory: Nail Strengtheners
Overview
A nightstand nail care routine for weak, peeling nails is where this coating fits: it brushes on, absorbs fast and dries quickly, letting water and oxygen through while fatty acids and vitamins condition the nail.
Strength without trapping the nail under a sealed coat is the reason to choose a breathable formula. Directions, wear time and size are missing from the specs.
Who it's for
Natural nails recovering from gels or prone to peeling get a protective, conditioning layer. Those wanting color must add a polish over it.
Pros and cons
- Conditioning fatty acids and vitamins
- Long free-from list
- No animal derived ingredients
- Directions not provided
- Size not in the details
- No color or shine claim
Performance notes
A thin protective film reinforces the nail edge against splitting, while the oils condition the nail plate underneath. Regular reapplication maintains the coating as it wears.
Specifications
| Brand | CND |
|---|---|
| Product type | Nail strengthener coating |
| Formula | Breathable, water and oxygen permeable |
| Key ingredients | Omega-6, Omega-9, vitamins A, B and E |
| Dry time | Fast-absorbing, quick drying |
| Free from | Toluene, DBP, camphor, ethyl tosylamide, xylene, TPP, MIT, parabens, animal derived ingredients, gluten |
Frequently asked questions
Is CND RXx a nail polish?
No. It is a clear-purpose nourishing and strengthening coating, not a colored polish.
Does CND RXx let nails breathe?
Yes. The formula is water and oxygen permeable.
What is in CND RXx Nail Strengthener?
Essential fatty acids such as Omega-6 and Omega-9, plus vitamins A, B and E.