Is it common for some parts of the face not to react to the chemical peel at all?

There are so many variations of chemical peels. In the face, some areas will respond much more vigorously than others after a chemical peel. Best, DR. Karamanoukian Los Angeles

That is sometimes unfortunately the case, and some areas can peel more than others and some areas not peel at all. I recommend that you note the areas that did not react from the chemical peel and at your next treatment be sure to let the provider know about those areas. In most cases peels can be tailored to the patients skin type, and strengthened by applying more than one or even multiple layers to those areas.