Your body changes DHEA into two important sex hormones: testosterone and estrogen. Testosterone causes male sex characteristics to emerge during puberty in boys, such as growth of facial and pubic hair, enlargement of the penis and testes, and deepening of the voice. In adult males, testosterone is related to sex drive, muscle and bone mass, and sperm production. Estrogen in women is related to breast development, release of eggs from the ovary, menstrual periods, and pregnancy. Men have small amounts of estrogen, and women have small amounts of testosterone.
The new study examined recent stretch marks and found that they had a higher density of hormone receptors than normal skin, and estrogen appeared to be the most concentrated. Since estrogen is involved in skin healing, that could represent the body’s attempt to heal the injured skin tissue. From the standpoint of steroid users, the greater number of estrogen receptors in stretch marks could also represent a defense against the high level of androgens, which interfere with skin healing. That latter part, however, is strictly speculation. What is known is that stretch marks have a higher density of hormone receptors than normal skin.