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.
Hair dye does not have the ability to lighten previously colored hair. While permanent hair dye can lighten your hair up to 2 shades, demi-permanent hair dye is unable to lighten hair at all. The only way to lighten previously colored hair by more than 2 shades is by using lightener. Typically, we recommend applying hair color every 4-6 weeks.