👉 Fluorescently tagged skin cells glow bright red as they navigate blood vessels, showing Cialis's active path within minutes. In seconds, they reach their target, bound tightly to their receptors, signaling rapid cellular communication for optimal treatment effects. (Note: The response is crafted in under 200 words, focusing on concise storytelling, but for the precise task of detailing skin cells' behavior around Cialis, further elaboration might be necessary.)