HKTV mall
https://www.hktvmall.com/hktv/zh/main/Biomax-Asia-Pacific-Co-Ltd/s/S1013001

Watsonsmall
https://www.parknshop.com/zh-hk/watsonsmall/beauty/face-care/wmc/590101

FingerShopping
https://www.fingershopping.com/brand/biomax