It is well ascertained that sexual intercourse promotes the hypersecretion of estrogens in woman, as well as estrogens are beneficial for skin rejuvenating. This paper, almost revolutionary, focuses its attention on the measurements of TEWL, hydration and electric impedance effectuated on postmenopausal women after three coitus. TEWL is measured by the aids of a tewlmeter, hydration thanks the corneometer and moisture and GAGs gel mosaic of dermal layer owing to the employ of a special apparatus made of 4 electrodes that is apt to evaluate the impedance.