Grow, strengthen and thicken your hair and nails. BioSil's much-loved formula gets a boost with the additoin of Biotin. 

The 2-in-1 effect of Biosil’s patented ch-OSA® formula supports and activates your body’s natural ability to protect and generate its own collagen, keratin and elastin.

Biosil® Advanced Hair + Nail Care is vegan and GMO-free. It does not contain soy, dairy, egg, corn, wheat, gluten, fish/shellfish, peanuts/nuts/tree nuts, animal-derived ingredients, ingredients from genetically modified organisms, artificial colors, artificial preservatives, or any flavors or sweeteners.