Underarm Peeled and Whitening Cream?

just had my UA(underarm) peeled,since 1st peeling session i didnt use deo now my UA got peeled, can i use my deo now? can i use whitening cream? derma told me to buy there product, SO EXPENSIVE, they sell deo for 500php, they said that its d only deo that i can use coz it has no chemicals. IF IT HAS NO CHEMICAL, HOW CAN THAT DEO BECOME ANTI-PERSPIRANT? and they also sell UA whitening alum chloride for 2,000php they told me to use it to maintain the white of UA.

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