The (original articles) title is a bit misleading. They only verified the importance of a specific protein and then found compounds that for mice helped the boost protein production in mice, they still need a lot more research to find something that would help human skin look youthful.
That makes it sound like it's still only theory that it would benefit mice. But they actually tried it:
> They isolated two chemical compounds — Y27632 and apocynin — and tested both on skin cells, with positive results. “Application of these drugs to full-thickness skin wounds significantly promoted wound repair,” the study said.