What is spirit gum used for in stagecraft?

Spirit gum is a specialized adhesive commonly used in stagecraft, particularly in the realm of makeup and costume design. It is particularly effective for attaching materials such as crepe hair, prosthetics, and other lightweight elements directly to the skin of performers. The adhesive's formulation allows it to bond securely while still being safe for skin application, making it an ideal choice for creating realistic effects without causing irritation.

In stagecraft, the ability to attach crepe hair seamlessly is vital for characters requiring specific looks, such as aging or creature effects, often integral to theater performances. The other choices involve uses of adhesives that are not aligned with the properties and intended application of spirit gum, which focuses more on skin safety and the flexibility needed in makeup applications.