The formula for calculating savings account interest uses the initial deposit, the annual interest rate and the years of growth. Compound interest earns the account holder more than simple ...

It makes sense, considering data shows the global facial treatment market reached the billion-dollar mark in 2024 and is projected to double by 2032, growing at a 5.8% compound annual growth rate.

Sophie is a writer for InStyle, where she reports on noteworthy beauty products—including skin care, hair care, and makeup—and, occasionally, covers celebrity style. The Zenagen Revolve ...