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A
Scalp condition does not matter
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B
To detect any disorders, irritation, or contraindications before performing a service
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C
To choose a cape
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D
Only for haircuts
Why this is the answer
Checking the scalp during analysis — not just the hair — lets the cosmetologist detect disorders, irritation, abrasions, or signs of infection or infestation that could contraindicate a service (especially chemical services) or require referral to a physician. The condition of the scalp directly affects which services are safe to perform. Overlooking the scalp can lead to discomfort, harm, or spreading a contagious condition. Examining both hair and scalp is a standard part of the pre-service analysis emphasized on the exam.
Source: Hair Care — Scalp Examination