[Talisker]

Silver ions cause problems with proper skin regrowth. It does help kill germs, but it also appears to hurt the initial bedrock laying skin cells.

I've never read that. Link please.

[ConservativeMind]

Here’s one study:

http://www.bio-med.co.il/upload/infocenter/info_images/23122009110223@Burd%20silver%20article.pdf