DOCUMENT AND ENTITY INFORMATION - shares	6 Months Ended
	Jun. 30, 2019	Aug. 01, 2019
DOCUMENT AND ENTITY INFORMATION [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2019
Entity Registrant Name	Foamix Pharmaceuticals Ltd.
Entity Central Index Key	0001606645
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Entity Filer Category	Accelerated Filer
Entity Small Business Flag	true
Entity Emerging Growth Company	true
Entity Transition Period	true
Entity Common Stock, Shares Outstanding		61,003,927
Entity Shell Company	false
Entity Interactive Data Current	Yes
Entity Current Reporting Status	Yes