In the quest for everlasting youth, many women buy hope in a jar. But despite being a multi-billion dollar industry, many skin creams and serums on the market don’t deliver the age-defying results they promise. But now, scientists say that it may be possible to reverse our skin’s timeline at the cellular level.

In a new paper published in Nature, a research team found that a collagen protein called COL17A1 plays a key role in maintaining youthful skin. Declining levels of this protein ove