The shampoo that stimulates hair growth directly at the roots.
A daily hair wash C1 immediately provides the hair roots with the activating ingredient. Alpecin caffeine is very well detectable after being left on for as little as 120 seconds.
If left on for longer, more caffeine will be absorbed into the scalp.
Recommendation: Leave on the scalp for 2 minutes- from application to rinse. By intentionally doing without softeners (e.g. silicone), your hair will immediately have more grip.
Information for competitive athletes: Alpecin caffeine cab be detected in hair follicles.
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