Fight Thinning Hair from the Root
Alpecin C1 Shampoo is powered by a unique caffeine complex, combining caffeine, zinc, and niacin to stimulate your hair roots. Within just two minutes of application, the caffeine penetrates the hair roots, supporting natural hair growth and promoting thicker, fuller-looking hair over time.

Invest 2 minutes a day
For best results, apply daily and leave on for 2 minutes to give your hair its daily dose of caffeine, promoting thicker, fuller-looking hair after three months of consistent use.
Use Daily
Leave on for 2 minutes
Results visible after 3 months

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Frequently Asked Questions
Can the effect of caffeine shampoo be enhanced by leaving it on for longer than 2 minutes?
How much caffeine is contained in the caffeine shampoo?
If I have sensitive skin, how long can I leave the caffeine shampoo on the scalp?
Are there any scientific studies on the effectiveness of the Alpecin caffeine formula?