Polyvinyl alcohol (PVA) is a synthetic polymer. It does not act as a nutrient or herbal ingredient. In tablets and capsules it works as a binder or coating. In dissolvable oral films it provides structure. In eye drops it serves as a lubricant to relieve dryness.
Polyvinyl alcohol
A non-active synthetic polymer used as a coating, binder in pills, and lubricant in dry-eye drops.
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