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.
Best Answer: The directions say to leave the color in for  30 minutes if you want it to last for six months. That refers to the color, NOT the bleach! I myself left the color in for an hour, but the life of the color really just depends your shampooing habits. Also, for Pete's sake, don't let any of the dye get on anything but your hair, as Splat tends to stain unforgivably.