Colorado Cosmetology Written Practice Exam

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Prepare for the Colorado Cosmetology Test. Study with detailed flashcards and multiple choice questions, each featuring insights and explanations. Gear up for success!

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Acid perms typically fall within what pH range?

4.5-7.0
5.0-6.0
7.0-8.0
8.0-9.0

The correct answer is: 4.5-7.0

Acid perms typically fall within the pH range of 4.5-7.0. This is because acid perms are designed to be gentle on the hair, making them more suitable for damaged or fine hair. Option B is incorrect because it overlaps with the range for alkaline perms, which typically fall within 8.2-9.6. Option C is incorrect because it falls outside of the acidic range and is more suited for alkaline perms. Option D is also incorrect because it is too alkaline for acid perms and could cause excessive damage to the hair. Generally, the lower the pH of the perm, the gentler it is on the hair.