Answer by  
                                                                                          LeheckaG (1826)
                                                            
                          
                          
                                                          Use lots of pumice-soap, warm to hot water,
 and scrubbing (with a plastic-bristle-brush or a pumice-stone)
 to remove Great-Stuff-spray-foam (insulation) from your-skin.
 It can take a few-days.
 
 Petroleum-jelly or vegetable-oil can be used to soothe your-skin.
 
 Some organic-solvents (like acetone/nail-polish-remover) can dissolve uncured-foam,
 but unfortunately they are more-HARMFUL to your-skin.