This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
Chemical peeling is done by all except: 
Select and explain. 
A. Trichloroaccetic acid, B. Phosphoric acid, C. Carbolic acid, D. Kojic acid
B: Phosphoric acid
Answer: B: Phosphoric acid 
Explanation: B i.e. Phosphoric acid Chemical peeling is done by a hydroxy acids (glycolic acid, lactic acid, malic acid, citric acid), f3 hydroxy acid (salicyclic acid), trichloroacetic acid (TCA)Q, a-ketoacid (pyruvic acid), phenol (carbolic acid), Kojic acid (2, retinoic acid (tretinoin), resorcinol, solid carbon dixoxide, Jessner's solution (lactic acid + salicylic acid + resorcinol + 95% ethonol), modified Unna's resorcinol paste and Baker -Gordon phenol peel (phenol + croton oil + hexachlorophene/septisol+distilled water). But phosphoric acid is not used for chemical peelingQ.