According to a recent study published in JAMA Dermatology, most best-selling moisturizers have problematic ingredient profiles.
For the study, researchers looked at 174 of the most popular whole-body moisturizing products sold online at Amazon, Target, and Walmart and found that marketing claims such as “hypoallergenic,” “fragrance free,” and “dermatologist recommended” are largely just that: marketing claims. The weighty-sounding words are not based on any stringent scientific standard you may have assumed.