Menopause Support Group
Menopause is the physiological cessation of menstrual cycles associated with advancing age. It normally occurs in women between the ages of 45 and 55, when the body begins to slow and stop the production of eggs, estrogen and progesterone production decreases, and menstruation diminishes, eventually stopping altogether.
It's very possible that something in the one that works for you is different, from what the oil is encased in, to any other thing about it.
Read the fine print on the labels, you should be able to find them on the internet and compare.