v3.26.1
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Mar. 23, 2026
Jun. 30, 2025
Document and Entity Information        
Document Type 10-K      
Document Annual Report true      
Document Period End Date Dec. 31, 2025      
Document Transition Report false      
Entity File Number 001-37846      
Entity Registrant Name Quoin Pharmaceuticals, Ltd.      
Entity Incorporation, State or Country Code L3      
Entity Tax Identification Number 92-2593104      
Entity Address, Address Line One 42127 Pleasant Forest Court      
Entity Address, City or Town Ashburn      
Entity Address State Or Province VA      
Entity Address, Postal Zip Code 20148      
City Area Code 703      
Local Phone Number 980-4182      
Title of 12(b) Security American Depositary Shares      
Trading Symbol QNRX      
Security Exchange Name NASDAQ      
Entity Well-known Seasoned Issuer No      
Entity Voluntary Filers No      
Entity Current Reporting Status Yes      
Entity Interactive Data Current Yes      
Entity Filer Category Non-accelerated Filer      
Entity Small Business true      
Entity Emerging Growth Company false      
ICFR Auditor Attestation Flag false      
Document Financial Statement Error Correction false      
Entity Shell Company false      
Entity Public Float       $ 5.4
Entity Central Index Key 0001671502      
Current Fiscal Year End Date --12-31      
Document Fiscal Year Focus 2025      
Document Fiscal Period Focus FY      
Amendment Flag false      
Auditor Name CBIZ CPAs P.C. Marcum LLP    
Auditor Location Morristown, New Jersey Morristown, New Jersey    
Auditor Firm ID 199 688    
Ordinary Shares        
Document and Entity Information        
Entity Common Stock, Shares Outstanding     63,126,930  
ADS        
Document and Entity Information        
Entity Common Stock, Shares Outstanding     1,803,626