GR
GR-7 Professional
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I tried GR-7 with some scepticism
I tried GR-7 with some scepticism, so was delighted to find my pepper and salt hair has returned to its original shade within three weeks. On visiting my hairdresser she was absolutely amazed to see the change. It is working out to be quite economical, as there is plenty left for maintenance treatments to retain my colour. I will definitely order again when it eventually runs out.