Business Segmentation and Geographical Distribution - Major Customers and Major Vendor (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Customer Concentration Risk | A.S. Watson Group - Related Party | Affiliated Entity | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage	36.60%	39.60%
Customer Concentration Risk | A.S. Watson Group - Related Party | Affiliated Entity | Consumer Products segment | Revenue
Concentration Risk [Line Items]
Concentration risk, percentage	13.90%	13.80%
Customer Concentration Risk | Nestlé (NHSc) | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage	23.60%
Customer Concentration Risk | Life Extension | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage		22.10%
Customer Concentration Risk | Persona | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage		10.30%
Supplier Concentration Risk | Vendor A | Accounts Payable
Concentration Risk [Line Items]
Concentration risk, percentage	50.10%	32.10%