
Shop Sienna Miller’s Favourite Retinol This Amazon Prime Day
Sienna Miller has long been admired for her laid-back beauty and perfect skin that looks effortlessly luminous. So—it’s safe to say it raised more than a few eyebrows when the actor recently mentioned that she swears by A313, a thick, pharmacy-grade retinoid cream quietly beloved in beauty circles. It’s a no-frills French formula, housed in…