NonyX nail gel helps break down and clear out dark or yellowing keratin debris build-up under the nail. Once keratin debris is removed, nails look clear and attractive. Biodegradable gel not tested on animal. NonyX gel is: topical, safe, effective, diabetic-friendly, all natural. Dermatologist tested. NonyX nail gel will not stain socks or sheets. 96057SKU 812634001014