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: Semi-permanent hair dyes only add color and usually wash out after 6-12 washes. They don't contain any peroxide or ammonia so there is no lightening or lifting of hair color. Demi- permanent may contain some peroxide, but it still won't lighten your hair.