i also had facial treatment when i was pregnant till the last 2 weeks of my pregnancy. i just told the beautifician that i was pregnant and she had adjust the treatment course and told me which was not suitable for pregnant women.
When my pregnancy was just confirmed, I stopped visiting the beauty salon.
After 3 months of pregnancy, I resumed the facial treatment and the staff had adjusted the contents to fit my need.
I kept on visiting the beauty salon until I had to admit to the hosptial