During which service should a chemical cape absolutely remain on the client?

The chemical cape should absolutely remain on the client during a semi-permanent color application because this service involves the use of chemical products that can potentially stain clothing and harm skin. A chemical cape is designed to provide a barrier between the client and the products being used, ensuring the client's clothing remains protected from any drips or spills that may occur during the application process. Additionally, it helps in minimizing skin irritation by providing a clear boundary that keeps the dye from direct contact with the skin.

In contrast, options that involve non-chemical processes, such as hair trimming, deep conditioning, or a blowout, usually do not necessitate the same level of protection. For hair trimming, a simple salon cape is often sufficient as there's minimal risk of chemical exposure. Similarly, deep conditioning treatments typically utilize cream or gel formulas that are less likely to cause staining or chemical burns. A hair blowout involves the use of heat and styling tools but does not often involve chemical products that could cause damage or staining, allowing for a standard salon cape to be used instead.