What is the press called when the hair becomes curly again due to perspiration or dampness?

The phenomenon of hair becoming curly again due to perspiration or dampness is referred to as a "touch-up." This term signifies the process of retouching styled hair that has reverted from its styled form, typically as a result of humidity or moisture in the air.

In the context of pressing hair, it is common for styles, especially those achieved through thermal processing or chemical treatments, to lose their ideal shape when exposed to such elements. Therefore, a touch-up is performed to restore the hair to its intended look, ensuring it maintains a smooth and styled appearance.

The other terms in the choices do not accurately capture this specific scenario. A soft press refers to a light method of straightening hair that allows some texture to remain, while a moderate press applies more heat than a soft press but still retains some curl. A chemical press is a process involving chemical relaxers to straighten hair, which does not relate to the temporary reversion caused by moisture or perspiration. Thus, the term "touch-up" properly conveys the action taken to manage hair that has reverted and restore its styled state effectively.