Saranya Wyles, M.D., Ph.D.

activity.

And some of that activity is comparable to vitamin C. So I'd put that up there as well.

I'm also a big fan of hexapeptide 12.

So there are products that are out there that have hexapeptide.

And these really go into dermal collagen and dermal density.

So there was a study that did a split phase study.

So half the phase had hexapeptide 12 and tripeptide 12.

Other half didn't.

I always think if they're going to then do a crossover later on to... This poor person.

Exactly.

Split-based studies are interesting.

But that showed a lot of improvement in collagen benefits for these patients.

I should add that in a lot of these studies, you have to have a vehicle control or a proper placebo because you can't emphasize...

enough, the fact that moisturization or just hydration of the skin is going to have considerable benefits.

So you really want to make sure that all of these studies that are looking at actives also have a vehicle control or placebo control in their arm.

Absolutely.

Oh, I love talking about lasers.

I'm so glad you brought this up because lasers, I think, are key of how you can interface with your dermatologist twice a year, at least to have a non-ablative laser.

And let's talk about lasers and like why the science behind lasers is so strong.

So what do lasers do?