No problem. Another thing he might want to try is this shampoo which some people say helps stop hairloss.
[我用這個 青春瘡也有用](Nizoral Anti-Dandruff Shampoo, Basic, Fresh, 7 Fl Oz https://www.amazon.com/dp/B00AINMFAC/ref=cm_sw_r_cp_api_glt_i_XQ9F94G7FRX0SSJMRP66?_encoding=UTF8&psc=1)
Bald or not, this is my favorite: Nizoral Anti-Dandruff Shampoo, Basic, Fresh, 7 Fl Oz