Why can an energy comb comb out dirty things?

The energy comb can comb out dirty things because the teeth of the energy comb will rub our scalp and hair. Every day, the hair will secrete oil, the scalp will appear oil, and then it will be exposed to the air. Dust in the air will combine with these oils to form these black greasy dirt. When combing our hair, our teeth will rub our scalp and hair and comb out the dirty things, so the energy comb can comb out the dirty things because the teeth of the energy comb will rub our scalp and hair.