Segment Reporting - Summary of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Total net revenue	$ 64,224	$ 58,589	$ 122,238	$ 108,257
Total product revenue
Disaggregation of Revenue [Line Items]
Total net revenue	58,589	51,812	110,655	95,363
Products
Disaggregation of Revenue [Line Items]
Total net revenue	43,653	35,567	80,167	63,887
Consumables
Disaggregation of Revenue [Line Items]
Total net revenue	5,298	4,433	9,201	7,358
Skincare
Disaggregation of Revenue [Line Items]
Total net revenue	9,638	11,812	21,287	24,118
Service
Disaggregation of Revenue [Line Items]
Total net revenue	5,635	6,777	11,583	12,894
United States
Disaggregation of Revenue [Line Items]
Total net revenue	26,742	22,972	51,216	41,920
Japan
Disaggregation of Revenue [Line Items]
Total net revenue	15,174	17,421	32,677	33,976
Asia, excluding Japan
Disaggregation of Revenue [Line Items]
Total net revenue	5,106	3,500	8,715	5,489
Europe
Disaggregation of Revenue [Line Items]
Total net revenue	5,925	4,886	10,116	9,887
Rest of the World, other than United States, Asia and Europe
Disaggregation of Revenue [Line Items]
Total net revenue	$ 11,277	$ 9,810	$ 19,514	$ 16,985