â How long does nicotine stay in your system (hair tests) This is a reliable method to measure long-term nicotine use, but is an expensive method of testing. This method is extremely accurate for a period of up to 3 months after stop smoking, and can detect nicotine use for up to 1 year after quitting. â How long does nicotine stay in your system (system clean) Most people believe that nicotine is out of your system in just 3 days, but that is not correct.
1 White ceilings also keep the focus on the color of the walls while making the walls appear brighter.  Should you decide to opt for a true color on your ceiling, do not use the same color on your walls.
âProMar Ceiling Paint is an ideal product for professionals who want a great look for budget conscious projects,â said Karl Schmitt, senior vice president of market research, color and design, Sherwin-Williams.