| 1 | If only the tip is moving, he' s irritated. | |
| 2 | Rather than a ghostly jellyfish, this image highlights the sensory nerve endings at the end of a hair follicle. | |
| 3 | Split, or "dead" ends are the result of damaged or weathered hair. | |
| 4 | The gut. Do you know you have more nerve endings in your stomach than in your head? | |
| 5 | It gets certain nerve endings going again, so it's been really good that way. |