I have this insane itchy/tingly sensation on my face, jawline/ under chin area. No obvious signs of rash, dry skin are present. What could it be?

Paresthesia. You have a paresthesia. An abnormal cutaneous sensations of tingling, numbness, pressure, cold, and warmth that an individual experiences without the presence of a stimulus. It results from functional disturbances of sensory neurons. Causes include peripheral vascular disease, peripheral neuropathy, and nerve damage.