AccessMyLibrary provides FREE access to over 30 million articles from top publications available through your library.
Create a link to this page
Copy and paste this link tag into your Web page or blog:
Are there any guidelines to determine if old skin creams are still effective?
"If a product feels or looks different from the first time you used it, then toss it," says Lydia Evans, consulting dermatologist for L'Oreal. So check for changes in color, which indicate the ingredients are no longer effective (active ingredients like retinol, vitamin C, and acids usually last only a year). Also check for changes in consistency. If a cream has ...