✔ 最佳答案
I have the same problem when I first moved to Hong Kong too!~ To be honest with you, I think is the water that affects the hair. I think is the water in HK that has some different types of minerals/chemicals in it that affects the hair to produce more oil.
I am not sure if my answer might help you or not. But you could try and see if this helps:
I used pH 5.5 Seba Shampoo. If you want to use something cheaper, try to use Johnson and Johnson's pH 5.5 body wash (you could use it both on your body and hair).