Question: How long does one bottle of product last? Answer: A single bottle of Plexaderm Rapid Reduction Serum usually lasts about 30 days when using the recommended amount under each eye daily.

How many hours does Plexaderm last?

How long does Plexaderm last? Once the serum dries, it tightens up the skin to give a more youthful look. These results are said to last for ten hours.

What is the downside of Plexaderm?

Are There Any Side Effects? Any product has the potential to cause irritation in the skin; always do a patch test first. One common complaint from Plexaderm reviewers is that the cream leaves a white residue. Although no one said it was harmful, it was more of an annoyance.