Retinol, niacinamide, vitamin C and hyaluronic acid: In recent years, these commonly-found ingredients have been name-dropped over and over again in the skincare community. Hyaluronic acid, in ...

Most skincare products have a year or two of research behind them before they hit the market. But in the case of Shiseido’s most advanced skincare innovation yet, there’s 40 years of research.

Hyaluronic acid, or hyaluronan, is a substance naturally found in your body, including the eyes, skin, and joints. Hyaluronic acid is popular in skin care routines, but this substance can be used to ...