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 does it last? A: Semi-permanent color is ideal for trying a new hair color shade, and lasts through four to six shampoos. Used straight from the bottle, it contains no ammonia or peroxide, so it is mild enough to be used on fragile, permed or relaxed hair. It blends or covers gray (if hair is less than 25% gray); adds richness to natural hair color; gives highlights and shine, but does not lighten hair color. shop all semi-permanent color Back to Questions