Revenue - Disaggregated revenue (Details) - Sales Revenue	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Disaggregated revenue
Concentration (as a percent)	100.00%	100.00%	100.00%
Cosmetics
Disaggregated revenue
Concentration (as a percent)	44.00%	50.00%	51.00%
Skincare, bath, and fragrance
Disaggregated revenue
Concentration (as a percent)	28.00%	22.00%	21.00%
Haircare products and styling tools
Disaggregated revenue
Concentration (as a percent)	20.00%	19.00%	19.00%
Services
Disaggregated revenue
Concentration (as a percent)	3.00%	5.00%	5.00%
Other (nail products, accessories, and other)
Disaggregated revenue
Concentration (as a percent)	5.00%	4.00%	4.00%