Solutions were prepared fresh, stored at 4C, and protected from light to maintain stability
The treatment typically lasts between 30 minutes to an hour, depending on your provider's protocol
Kleyn et al
However, it can happen at any time (even at rest)
This happens when estrogen levels get too high compared to other hormones like progesterone
The exclusion criteria were: severe or chronic skin inflammation, serious inner or chronic diseases, intake of drugs that can possibly interfere with skin reactions, application of pharmaceutical or skin care products with active ingredients until 10 days before testing, allergies or severe side effects after usage of cosmetic products, sunbath or usage of tanning bed during the study period, known cancer, pregnancy or lactation period, taking of medication with potential effect on hair growth