The white flower oil in Hong Kong pharmacies is genuine. Pharmacy in Hong Kong is a regular and legal shop with a business license. Ginkgo oil is a common external medicine, which is used to relieve mild muscle and joint pain and cool head discomfort. It is a transparent liquid and usually has a cool smell. The most famous brand of Baihua Oil is Baiyao, which is very popular in many parts of Asia. Authentic Baihua oil products usually have corresponding trademarks and labels on the packaging, including factory name, production date, shelf life and other information. When buying, choose a regular pharmacy or pharmacy to buy, so as to ensure that you can buy genuine products.