200% more breakage resistant so nails can grow longer (Laboratory results on file). Advanced keratin formula hydrates & protect nails. Results guaranteed. This breakthrough nail growth formula penetrates into weak, brittle nails to deliver essential moisture and nutrients so your nails can grow. The advanced Keratin formula hydrates nails and cuticles, improves condition and flexibility of nails and protects nails from breakage. Final Results: Visibly longer nails in 7 days with significantly less breakage. Formaldehyde, toluene and DBP free. Visit us at nutranail.com. Manufactured in the USA.