Ultra HNS by Douglas Laboratories supplies high dose biotin, methylfolate, vitamin C, zinc, and Cynatine HNS, a patented, solubilized keratin for the health of hair, nails, and skin. Cynatine HNS has demonstrated that it can...

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Ultra HNS by Douglas Laboratories supplies high dose biotin, methylfolate, vitamin C, zinc, and Cynatine HNS, a patented, solubilized keratin for the health of hair, nails, and skin. Cynatine HNS has demonstrated that it can improve the strength, brightness and appearance of hair, nails and skin as well as reduce hair loss associated with washing.*

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