Florida Cosmetology Licensing ExamChemical ServicesHard
A cosmetologist is performing a chemical relaxer service on a client whose hair has been previously lightened. What is the most critical consideration for the cosmetologist before applying the relaxer?
- AEnsuring the client has recently had a deep conditioning treatment.
- BUsing a relaxer with a higher pH to ensure maximum straightening.
- CApplying a heat protectant to the hair before the relaxer.
- DPerforming a thorough strand test and scalp analysis to assess hair integrity.
Show answer & explanationAnswer & explanation
Correct answer: D. Performing a thorough strand test and scalp analysis to assess hair integrity.
Previously lightened hair is significantly compromised and more fragile due to the chemical alteration of lightening. A strand test is crucial to determine how the hair will react to the relaxer, and a scalp analysis ensures no irritation or damage exists, preventing severe damage or breakage.
Why the other options are wrong
- A. While beneficial, a conditioning treatment doesn't negate the need for a strand test to prevent chemical damage.
- B. Using a higher pH relaxer on lightened hair would likely cause severe damage and breakage; a lower pH or no-lye relaxer, if any, would be considered after rigorous testing.
- C. Heat protectants are for heat styling, not for chemical relaxer application which is a cold process.
Relaxing Previously Lightened Hair
A high-risk chemical service requiring extreme caution, thorough testing, and often not recommended due to the severe damage potential from combining two strong chemical processes.
- Lightened hair is already structurally weakened.
- Strand tests are absolutely essential to predict reaction.
- Scalp analysis is vital to ensure no pre-existing irritation.
- Often advised against due to risk of breakage.
Memory trick: Lightened hair, 'L'ook out! 'L'ots of 'L'imitations and 'L'ots of 'T'ests.