Hormones that modulate muscle growth include: 1  growth hormone. 2  testosterone. 3  IGF- 4 1. cortisol.  beta-endorphin, 1  and. parathyroid hormone.
When applied topically, cayenne pepper benefits the skin, too. It alleviates pain caused by shingles, osteoarthritis, rheumatoid arthritis and even as part of a natural remedy for fibromyalgia. The fruit of the capsicum plant contains a chemical called capsaicin.
Cayenne does not dissolve easily in water, so it is hard to wash off. Use vinegar to get it off the skin. Capsaicin cream may cause an itching, burning sensation on the skin. These symptoms tend to go away quickly. Test capsaicin cream on a small area of your skin before extended use.