Final answer:
The amount of time an electric mask should be left on varies by product, but typically ranges from 10 to 20 minutes. Following manufacturer instructions is crucial for safety and effectiveness.
Step-by-step explanation:
The duration for which you leave an electric mask on during a specialty mask treatment can vary based on the specific product and treatment type. However, most manufacturers will provide a recommended usage time which typically ranges from 10 to 20 minutes. It's important to follow the instructions provided with your specific electric mask to ensure safety and achieve the best results. It's always advised to start with the shortest time if you're new to using the mask or have sensitive skin, and to avoid overuse which can lead to skin irritation or damage.