While some metals are toxic and corrosive, aluminum is a lot milder compared to others. There are a lot of reasons people pick out aluminum jewelry, and you can trust that it is because it is safe. So, please continue to read.
Yes, it is. And you’d find many good reasons why it is. For one, you get a lightweight ornament that doesn’t make you feel uncomfortable. It is also easy to clean and can even be worked on in case it corrodes. But if you are bothered about health safety, you have nothing to worry about.