Apply a second coat?

Can a second coat of HL Sealer/HL Coat be applied for longer protection?

HL Sealer was designed to be a single coat system.  More coats may compromise the integrity of the coating.  The single layer is stronger and more stable than multiple layers.  The best maintenance after a cured coating is applied, is to apply a quality paint sealant or even better our Lens Conditioner with PTFE.  Applying a few times a year is the best maintenance for all lenses including factory, replacement and restored lenses.  Lens Conditioner provides a temporary layer that will wear away instead of yellowing thus keeping lens coatings new.

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Dvelup Automotive Reconditioning Products