I guess Lemon grass also do to help hair regrow and of course Aloe Vera is known for hair growing it also helps in moisturizing the skin that's why it is being mixed with lotions contents.
A natural product is a chemical multiple or substance produced by a living virus—that is, found in nature. In the broadest sense, natural products include any matter produced by life.
Founded in 1936, the Natural Products Reminder is the nation's major and oldest nonprofit organization dedicated to the natural products industry. NPA represents over 1,400 member's office for more than 10,000 retail, manufacturing, wholesale, and distribution locations of natural products, including foods, dietary supplements, and health/beauty aids. NPA unites a diverse relationship, from the smallest fitness food store to the largest dietary supplement manufacturer. More... https://en.wikipedia.org