If one ingredient truly deserves a place in the pantheon of skin care, it’s retinol. Since going mainstream in the 1970s, the vitamin A-derivative—which can reduce the appearance of wrinkles ...

Google searches for retinol body washes and hand creams jumped approximately ... And do you really need to battle aging when it comes to, say, kneecaps? First up, application.

Nicotinamide adenine dinucleotide, otherwise known as NAD+, is a substance found in all cells in the human body and helps them ... to supplemental NAD+ as an anti-aging treatment, via pills ...

Caviar strengthens brittle strands and leaves them shiny. Sophie is a writer for InStyle, where she reports on noteworthy beauty products—including skin care, hair care, and makeup—and ...