Planning to go for a TCA for under arms pigmentation..how safe is it ?

TCA peels can be considered as well as other types of peels and laser resurfacing.Kenneth Hughes, MD Los Angeles, CA

TCA CROSS method for acne scarring using up to 100% TCA was developed for puctate, pitted acne scars that can be very deep and unresponsive to other modalities.  It appears from your picture that you applied TCA to a large area of mixed types of acne scarring for which CROSS is not...

If this is recent, I would wait a few months before seeing what happens. If it is a old spot, I would try Latisse to see if pigment can return, the other trick is to fade the surrounding skin with laser, so that the white spot is not so obvious. I would like to try to get pigment back before...

Go see a dermatology 2nd opinion.  This is too red too long.  I am not sure why you have this but it is very unusual.   Get a 2nd opinion from a one on one exam.  My Best,  Dr C

Salon!!! Well seek the care of a "real" doctor to treat this second degree burn correctly. That is why the public needs to understand medical aesthetic therapies need to be preformed either under doctor supervision or by the docs themselves. 

I do not recommend applying TCA yourself. When done incorrectly, it can result in permanent discoloration and scarring. I suggest you consult a board-certified dermatologist to help you in treating your sebaceous hyperplasia. There are very easy and safe techniques to remove sebaceous...