“That’s not to say niacinamide doesn’t work – it just highlights a different way of working and one I believe that is highly complementary when used together with speedy-onset SSE,” she explains.

The benefits don’t stop there, either. Improving your skin cells’ health with ingredients like NAD+ will have a positive knock-on effect on the rest of your routine.

“Another thing I think that’s exciting is how much better all your actives are going to perform when your skin cells are fully charged,” she says. “NAD+ boosting is the ultimate way to level up your skincare routine in 2024.”

Keen to learn more? Read our comprehensive guide to NAD+ skincare.

The one skincare step we should all be following in 2024, according to an expert