If it was reaction to acid why happend after 2 days? I did glycolic acid application on my client 20% for 2 min .every thing was fine in my office .
She called 2 days later which,The day after treatment her face was red ,redness happens.2 days after face was alittle red and puffy skin ,which is upper check under eyes.I told her to go get anti hystamin from her doctor.Any idea why it happend after 2 days?