In the question given below, a sentence is given, divided into parts. One of the parts may contain an error. Identify the part that contains the error, and mark it as the answer. Ignore errors of punctuation. In case the sentence is correct as it is, mark option (e), that is, 'No error'. Note - The words in bold are grammatically and contextually correct. Chemical peels, procedures where liquid is applied to skin to remove outer layers, are typically administered by dermatologists and other licensed professionals and these peels help managing pimples, discoloration, scarring and signs of ageing.