Home / The Wave / What Exactly is Retinol Sandwiching?December 08, 2022 ONDA BEAUTY Share Share Close share Copy link Copy link Share now Share Opens in a new window. Tweet Opens in a new window. Pin it Opens in a new window. Share Opens in a new window. Share Opens in a new window. Email Opens in a new window. Back to The Wave We Know All About Clean Beauty, But Here’s the 101 on Clean Fragrance. Desert Island Pick: Beautycounter’s Think Big All-in-One Mascara Leave a commentPlease note, comments need to be approved before they are published. Name Email Comment Post comment This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.