from the Barielle website :
Redefining Beauty from Tips to Toes
Trusted by millions of women worldwide, Barielle's unique approach for treating, protecting and maintaining nails and skin has made it the leading prestige Nail, Hand, and Foot care line sold in the United States.
Barielle uses safe, effective natural ingredients like keratin, natural protein, gelatin, Vitamin E, Sunflower and Safflower oils and plant extracts. None of Barielle's treatment formulas contain lye, formaldehyde, toluol or toluene- ingredients that are harsh, possibly carcinogenic or reproductive toxins.
Barielle's hard working collection of treatment products stands alone in its dedication to making nails, hands and feet truly beautiful and healthy. Barielle is synonymous with outstanding quality, value, and delivering clearly visible results.