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What You Need to Know about NAD+, Anti-ageing, and Aesthetics
You might have recently started to hear growing buzz in the aesthetics world about NAD+. Anyone who has a background in biology will be very familiar with this little molecule, where it works as an essential co-enzyme in metabolic processes. It’s being touted as a new fountain of youth, from brightening tired skin to enhancing cellular function.
But what exactly does all of this mean?

A growing corner of the internet has decided that sunscreen — not the sun — is the real villain. As a doctor who spends a fair amount of her week looking at sun-damaged skin, I'd like to take that idea apart.
Here's what the actual science says about chemical filters, "hormone disruption," coral reefs, benzene and the rest — and the one thing the skeptics are genuinely, annoyingly, a little bit right about.