When can I expect to see visible results with the Tuning Shampoo and how long do I have to use it for?

That depends on the condition of your hair and the amount of grey hairs. Leave the shampoo on your scalp for 2–5 minutes - from application through to rinsing out. The longer you leave it in, the stronger the colour effect and the more caffeine absorbed. The colour effect only becomes apparent with regular application and washes out gradually with normal shampoo.

The hair effect

At the same time, the caffeine complex prevents hereditary hair loss. Washing the hair daily with the Tuning Shampoo supplies the hair roots with activating Alpecin caffeine. It can be detected after an exposure time of just 120 seconds.

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