Control GX Grey Reducing 2in1 Shampoo & Conditioner 147ml

I got this for my husband who got to wanting to colour his hair every two weeks as he hates his grey. It really works as it leaves a very natural look. He has to leave the product on for 5 mins for it to take effect and only uses it as and when needed.

I've been using this for 10 days now so time for a honest review. I am 42 and pretty grey on the sides, not to bad on top. It doesn't bother me that much that I would dye it but saw this product and thought give it a go. My hair is short on back and...