APhenol peel is usually the strongest type of peel offered. It is generally usedon very deep wrinkles and severely aged skin. There is also a risk ofhyperpigmentation with phenol peels. Recovery times with a phenol peel areusually the longest of any peel, sometimes a week or longer. It is usually usedon the face. The results with a phenol peel are similar to those of CO2 laserresurfacing.