Refresh your beauty products with the best deals this week, according to our beauty expert

When I turned 50 last year, I started noticing big changes in my face, including, for the first time, a bit of sagginess, along with a few wrinkles and brown spots. I knew it was time to get extremely serious about anti-aging skin care. For me, that meant not only using the best sunscreen every day, but investing in products with high-quality ingredients that have been proven to increase moisture, smooth texture and revitalize older skin. I test the best beauty products for a living and, over the years, I've learned how to spot the high-quality items that help me look less like a crone — after all, no one wants to pay for overhyped wastes of time and money. From a potent anti-aging serum to a trusted retinol eye cream, here are the Amazon and Walmart beauty deals I'm scooping up this week.