How long do I need to use this

I am using for past two months. This is good website.

Excellent product. Safe and effective product hair. Took minimum delivery time.

Good product for hair colour. Easy to use.. Only it lasts only for a month and it requires two yo three applications for a proper coverage..

Really Amazing Product. Value for money.so easy and simple and quick. I would like to purchase it again.Gr8 product!!!!.very very much satisfied.