Final answer:
Among the options given, a 'healthy scalp' would NOT be considered a contraindication because it indicates there is no condition present that would prevent a treatment from being safely applied.
Step-by-step explanation:
The question asks which of the following conditions would NOT be considered a contraindication. Among the options provided, a contraindication refers to a condition or factor that serves as a reason to withhold a certain medical treatment due to the harm that it would cause the patient.
In the context of skin conditions and treatments, contraindications can include injuries, cuts, abrasions, and infectious skin disorders.
These conditions often occur due to poor hygiene, can be made worse by sun exposure, and while they may only affect the epidermis, they can still pose risks if untreated.
However, a healthy scalp would NOT be considered a contraindication as it represents the absence of any such condition that would prevent treatment or cause concern. A healthy scalp is, in fact, the ideal scenario when considering treatments that involve the skin or hair. Therefore, the correct answer is (c) a healthy scalp.