Final answer:
Option D, 'Here, let me demonstrate how this skincare routine works,' is an example of the 'Show' strategy in the Create service essentials by providing a practical demonstration.
Step-by-step explanation:
The Create service essential strategy referred to in the question involves showing customers how something works, often through a demonstration. Of the options provided, “Here, let me demonstrate how this skincare routine works.” (Option D) is an example of the “Show” strategy as it involves a direct demonstration of a product or service. This approach is practical and hands-on, making it easier for customers to understand and appreciate the product's value. It addresses customer needs by showing them the product's application, which is a powerful sales and service strategy.