Delaware Cosmetology and Barbering Practice Exam

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What is the ideal temperature range for a perm solution?

  1. 60°F to 70°F

  2. 70°F to 85°F

  3. 80°F to 90°F

  4. 90°F to 100°F

The correct answer is: 70°F to 85°F

The ideal temperature range for a perm solution is between 70°F and 85°F. This temperature range is optimal because it allows the solution to work effectively in breaking down the hair's natural bonds, making it pliable and allowing it to take the shape of the curlers or rods used during the perming process. If the temperature is too low, the perm solution may not activate properly, leading to unsatisfactory results and possibly damaging the hair. Conversely, if the temperature exceeds this range, it can cause the solution to be too harsh on the hair, leading to over-processing and potential damage. Therefore, maintaining the perm solution within this specific temperature range ensures both effective results and hair health during the perming process.