Now, I've never heard of alginic acid, so I looked it up, and I found out that it's in deep-sea plants like algae, and it's meant to help purify and cleanse skin. Looking at the TikTok video ...

which nobody wants when they're cleaning up their skin. Celia: OK, to makes sure if this thing is actually doing anything, I'm gonna go in with my handy-dandy microscope, and we're gonna look at ...

The microscope in the picture is a light microscope ... It can cut the skin when trying to lower onto the slide. Katie drew an image of some onion cells she observed under a microscope.

To uncover these findings, the research team employed various imaging techniques, including transmitted light microscopy ... even visualize skin cell nuclei under the microscope.

"Upskilling, such as biopsy, which is taking a sample of tissue for analysis under a microscope ... how skin cancers are formed, and the different aspects of the sun with UV light and the risk ...