How to use WEN shampoo?
Can you please provide a step-by-step guide on how to effectively use WEN shampoo? Are there any specific instructions or techniques that should be followed to ensure optimal results? For example, do you need to wet your hair thoroughly before applying the shampoo, and should you massage it into your scalp for a certain amount of time? Additionally, how often should WEN shampoo be used, and are there any potential side effects or precautions that users should be aware of? We would greatly appreciate a detailed and informative explanation of the proper usage and best practices for WEN shampoo.