community Caffiene shampoos left in for 2 minutes show comparable results to Minoxidil, and may work differently than Minoxidil, which can add to your stack, or work for non responders
Caffeine shampoos show comparable results to Minoxidil and may enhance its effects when used together. Caffeine can be detected in the scalp up to 24 hours after a 2-minute application, making it an affordable treatment option.