How long I leave the TCA 40% on my skin and how I can neutralize? The results are better if I do a glycolic acid peels before?

I would probably recommend  some Retin A for one so young.    There are many silly do nothing peels out there so if you seek you will find.   Don't waste your money on weak silly do nothing peels.   A TCA peel does do good things and can diminish fine...

You need a cosmetic dermatologist who specializes in acne scarring/pigmentation and does a combination of treatments including: surgery, subcision, or TCA cross for deep or pitted "ice pick" scars; fillers like Bellafill or Sculptra or Radiesse for broad "boxcar" or "rolling" scars; Eclipse...

At our practice we recommend VI Peel which is FDA Approved for all skin types.  The main active ingredients are TCA, Phenol and Retinoic Acid which is safe for all skin types. Typically, patients with skin types IV-VI respond positively to 4% Hydroquinone therapy before and after...