Q & A Forum

However, highly realistic sex doll heads can accurately reproduce a wide range of pathological complexions: from flushing due to yin deficiency to purplish bruises caused by blood stasis, from sallow complexion due to spleen deficiency to the dark complexion of kidney essence deficiency. These subtle color variations are incorporated into the silicone material through a special dyeing technique, achieving a color difference of professional-grade ΔE < 1.5, far exceeding the human eye's ability to discern. In practical teaching, students can observe facial color changes under varying lighting conditions by adjusting the light source angle, a specialized training not possible with traditional torso sex dolls. Even more groundbreaking, some high-end models feature integrated temperature control systems that can simulate the temperature distribution of a feverish patient's forehead or the limbs' numbness, adding a palpation dimension to visual diagnosis.