A chemical peel is a technique used to improve and smooth the texture of the skin. Facial skin is mostly treated, and scarring can be improved. Chemical peels are intended to remove the outermost layers of the skin. To accomplish this task, the chosen peel solution induces a controlled injury to the skin. Resulting wound healing processes begin to regenerate new tissues. The dead skin eventually peels off.The regenerated skin is usually smoother and less wrinkled than the old skin. Some types of chemical peels can be purchased and administered without a medical license, however people are advised to seek professional help from a dermatologist or on a specific type of chemical peel before a procedure is performed.

Resurfacing and restoring skin with chemical peel was introduced in the second half of the 19th century by the Austrian dermatologist Ferdinand Ritter von Hebra(1816-1880), founder of the Vienna School of Dermatology. He used exfoliative agents, like phenol, croton oil, nitric acid in various cautious combination for treating freckles and skin irregularities.

There are several types of chemical peels...

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https://www.nhs.uk/conditions/cosmetic-treatments/chemical-peels/

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