Absolute : Impaired blood clotting/ Blood disorders and leukemia/ Epilepsy/ HIV / AIDS / Autoimmune diseases/ Acne, psoriasis/ Hepatitis/ Tendency to devoid scars/ Type 1 insulin-dependent diabetes
Relative : Oncology (with doctor's permission)/ Pregnancy/ Lactation period/ Age under 18/ Alcohol/ drug intoxication/ Very bad mood