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Pantolactone
PantolactoneHydrator
A close cousin of panthenol (provitamin B5) — conditions the surface and helps steady a formula’s pH.
What it does
It is a conditioning-and-buffering ingredient rather than an active.
The EU’s ingredient database lists it as a humectant (helps hold in moisture).European Commission, CosIng (© European Union, CC BY 4.0) · uses put in plain words by Drop ↗
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