Well, yes, the tea tree oil can be helpful to puffy eyes. Generally speaking, eye puffiness is a type of fluid build-up, which is also known as dropsy in the tissues around your eyes. And tea tree oil contains a cosmetic product that can help improve the appearance of scars, stretch marks and uneven skin tone. So it can do a help to puffy eyes. Besides, there are many reasons for puffy eyes, including over-consumption of salt, which causes fluid retention, allergies or infections that can cause inflammation and swelling, and sinus problems. so just be careful about it.