I think 30 is too much, 15-20% is good. I tried it at 20%. หัวน้ำหอม much is a waste of money. It costs a lot there Oh!! Thank you very much.. Today I went to the showroom. น้ำหอม Let's go and choose to smell it. It's dizzy... Some น้ำหอม light fragrance. Some of them emit a very strong smell... 55...