Welmints Enamel Repair with Nano-Hydroxyapatite -
Nano-Hydroxyapatite is a safe-to-swallow Fluoride alternative. Strengthens enamel. Naturally whitens teen. Can reduce tooth sensitivity over time as enamel is remineralized. 150 count. Refillable aluminum container. Refills come in kraft envelopes lined with eco material so they are moisture resistant.
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