MTTC Certification Requirements. All candidates for a Michigan provisional teaching certificate must pass the Professional Readiness Examination before enrolling in student teaching. The Professional Readiness Examination consists of three subtests: Reading, Mathematics, and Writing.
How does Bigen Powder compare with semi-permanent colors? Bigen Powder and semi-permanent colors are crucially different with regard to lasting color. Bigen Powder lasts about 4 to 6 weeks, while semi-permanent colors last about 2 to 3 weeks, washing out gradually. All permanent hair colors, including Bigen Powder, require a preliminary skin allergy test before each use. Your body constitution and condition change every day.
How Long to Leave Hair Color On. How long you should leave hair color on depends on the directions from the manufacturer, but usually it is about 30 minutes. Make sure you know how long to leave hair color on with tips from a professional hair stylist in this free video on hair highlighting. Part of the Video Series: Hair Highlighting.