DEBT - Narrative (Details) - USD ($)			3 Months Ended
	Mar. 08, 2021	Mar. 02, 2021	Mar. 31, 2021	Mar. 31, 2020	Mar. 07, 2021
Debt Instrument [Line Items]
Held in escrow			$ 16,100,000	$ 16,400,000
Amortization of debt issuance costs			8,700,000	4,000,000.0
Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Held in escrow			16,100,000	16,400,000
Amortization of debt issuance costs			8,700,000	4,000,000.0
Amended 2016 Revolving Credit Facility due 2021, Tranche A | Revolving credit facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 400,000,000
Unamortized deferred financing costs					$ 800,000
Tranche A Revolving Credit Facility | Revolving credit facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 300,000,000		300,000,000.0
Increase in interest margin	0.50%
Unamortized deferred financing costs	$ 5,100,000
Deferred financing cots incurred	$ 4,200,000
Tranche A Revolving Credit Facility | Revolving credit facility | Revlon Consumer Products Corporation | Minimum
Debt Instrument [Line Items]
Basis spread on variable interest rate	2.50%
Tranche A Revolving Credit Facility | Revolving credit facility | Revlon Consumer Products Corporation | Maximum
Debt Instrument [Line Items]
Basis spread on variable interest rate	3.00%
SISO Term Loan Facility
Debt Instrument [Line Items]
Proceeds from long-term lines of credit			100,000,000.0	0
SISO Term Loan Facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Proceeds from long-term lines of credit			100,000,000.0	0
SISO Term Loan Facility | Revolving credit facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Deferred financing cots incurred	$ 4,300,000
SISO Term Loan Facility | Secured debt | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Maximum borrowing capacity	100,000,000		100,000,000.0
Proceeds from long-term lines of credit	$ 100,000,000
SISO Term Loan Facility | Secured debt | Revlon Consumer Products Corporation | LIBOR
Debt Instrument [Line Items]
Variable rate floor	1.75%
Basis spread on variable interest rate	5.75%
2021 Foreign Asset-Based Term Facility
Debt Instrument [Line Items]
Proceeds from long-term lines of credit			75,000,000.0	0
2021 Foreign Asset-Based Term Facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Proceeds from long-term lines of credit			75,000,000.0	$ 0
2021 Foreign Asset-Based Term Facility | Secured debt | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 75,000,000
Deferred financing cots incurred		3,200,000
Held in escrow		$ 7,500,000	$ 13,800,000
Borrowing base calculation, percentage of eligible accounts receivable		80.00%
Borrowing base calculation, percentage of eligible inventory		65.00%
Borrowing base calculation, percentage of eligible real property		45.00%
Prepayment premium, first year after the closing date		3.00%
Prepayment premium, second year after the closing date		2.00%
Prepayment premium, third year after the closing date and thereafter		1.00%
Covenant, minimum cash and cash equivalents		$ 3,500,000
Covenant, minimum cash and cash equivalents, business days prior to month end		10 days
Amortization of debt issuance costs		$ 1,000,000.0
2021 Foreign Asset-Based Term Facility | Secured debt | Revlon Consumer Products Corporation | LIBOR
Debt Instrument [Line Items]
Variable rate floor		1.50%
Basis spread on variable interest rate		8.50%
5.75% Senior Notes | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Stated interest rate (as a percent)			5.75%
2020 Troubled-debt-restructuring: future interest
Debt Instrument [Line Items]
Future interest payments included in restructured debt			$ 57,800,000
Future interest amortization			$ 3,600,000