Wrinkles are caused not only by a loss of collagen in the body but deficiency in many hormones of which one of the key hormone is Vasopressin. Its primary function is to retain water in the skin and blood vessels, prevent blood loss and memory improvement.
Other hormones related with memory disorders may include IGF-1, Estradiol and Testosterone etc.
Please click on Vasopressin and other related hormones to check your symptoms.