Lifestyle 8 hours ago A 71-Year-Old Claims This $20 Retinol Body Lotion Is “Miraculous” for Firming Mature Skin InStyle - Rachel Nussbaum • 8h It's no wonder this cream is a fan favorite. As a shopping editor, some of the best product recommendations come from my colleagues. While chatting with a colleague from a different magazine, she mentioned their readers can't get enough of Medix 5.5 Retinol Cream With Ferulic Acid.