Keep reading to learn more.

Meet the Experts

What Is Retinol?

It not only protects [against] collagen breakdown, but it also stimulatescollagenandhyaluronic acidproduction.

close up of retinol tube on blue background

Liz Desousa for Byrdie

What Is a Retinol Sandwich?

“Always remain attentive to your skin’s response and adjust your regimen accordingly for optimal results.”

Who Is It For?

Adds Garshick: “For those with sensitive skin, the technique provides a gentler approach.”

Efficacy can also be a concern with the sandwiching method.

“The main issue is limiting the potential benefits and the full effect of retinol,” says Shirazi.

Just know that it can reduce both the side effectsandthe benefits of retinol.