Does acne cream not work after used by date

« ...Acne patches are popular acne fighting products. They come in liquid form. They dry up once applied to the skin. Essentially, an acne patch creates a protective seal around the acne. Acne patches contain an active ingredient that shrinks the acne overnight. You can peel the patch the next morning and you'll see that the acne has become much smaller....
...Besides these simple steps, there are many alternative acne treatments you may not have thought of, many of them also in the "simple and natural" category. Among these are nutritional and herbal supplements. Zinc has proven effective in some studies, though zinc supplements should be taken with caution as too much can cause severe and unpleasant side effects. Tea tree oil, an ingredient in some cleansers, works well for many (and has some antibiotic properties - it is worth noting that antibiotics are sometimes prescribed by dermatologists for severe acne)....»
Read More: xrl.us/AcneInfo

«...It is important to control both the quantity and the quality of the foods you consume in order to use your diet to help reduce your acne. While diet alone may not be enough to completely eliminate your acne it can certainly help to reduce it. Many people that have suffered with acne have reported that by making simple dietary changes they have experienced improvements with their acne condition....»
Full Text: xrl.us/AcneTreatment

tags: l'oreal active response intensive adult acne peel, home remedies for acne free skin, how to remove acne from face with home ingredients