There is no consensus in the medical journals that adult circumcision will have a significant impact on premature ejaculation. The most popular theory is that the removal of foreskin exposes the shaft and glans of the penis, gradually reducing penis sensitivity. There is some evidence that PE rates are lower in Muslim populations where circumcision rates exceed 98%. However, the data is suspect because of the cultural issues around sexual dysfunction.
A study of PE and adult circumcision was published in Urologia Internationalis. Penile sensitivity and sexual satisfaction after circumcision: are we informing men correctly? Mamood, S, et. al. 2005 Department of Urology, Medway Maritime Hospital, Gillingham, UK. The basic conclusion was that time to ejaculation was about the same for men before and after circumcision.
In a study published in the Journal of Sexual Medicine, 2005, Supplement 2, by Dr. Francesco Montorsi provides data that shows (see chart) prevalence of premature ejaculation to be much lower in the middle east (where circumcision rates are very high). In discussion, the author appears to be doubtful that the PE rate data from the middle east is accurate, citing cultural difference may alter the responses by men in the surveys.
Rates of premature ejaculation in the US (where circumcision is popular) are similar to other parts of the world where circumcision rates are dramatically lower and, in many countries, near zero. In spite of the much higher rates of circumcision, we have found no evidence that men in South Korea have significantly lower rates of PE than those of other parts of Asia or the rest of the world. The same is true with PE rates in India versus Pakistan where circumcision rates are strikingly different.
No matter where you are from, Promescent will help with premature ejaculation.