It also prevents excessive water loss by evaporation. Sebum softens skin and inhibits the growth of some bacteria. Apocrine glands are simple, branched tubular glands. They are found in the axillary, pubic and areolar regions of the body. These glands are activated at puberty.
Eccrine glands are more common.
They are simple, coiled, tubular glands. The greatest numbers are in the palms and soles. They secrete a watery sweat. The primary function of these glands is to regulate temperature via evaporation. A secondary function is to help eliminate waste products.