GR-7 Professional Reviews 

The product is amazing and it really works. The only downside is the smell. It smells like sulfur but if you are willing to follow the treatment you will definitely see results. It is worth it.

I have used one bottle and I’m seeing Less grey hair, I will go onto second bottle and provide an update

Im truly satisfied with this product, it really works!!!

I was a little skeptical, but this would work, but my girlfriend and I have both been using it, and we are amazed with the results less than a month were both seen our hair changed to its natural color.

This product is truly a game changer. Before I started using it, my hair was white but only in certain spots and I had to continually dye my hair to make it look good and smooth overall. After using this product, all of the white has smoothed in and is barely even noticeable. Now, I only need to go get my hair dyed if I want to. I started with 4 full days of not washing the hair but I couldn't do more than that because of my exercise routine, so I just did once a day for several weeks after that. It keeps blending more and more, the more I use it. One day I actually saw a hair on the table that was half white and half my regular brown color - it was such a cool moment. Keep up the good work and thank you so much! I'm really grateful a product like this exists.

The product ran out after 10 days (I bought one) and I saw only minor changes. I will buy more and wait for the results

It seems to be natural way to re-gain original hair colour ,without harsh chemicals. You have to be persist and be patient.It took longer for me ,about 4 weeks . I understand that results may vary from person to person.The applicator needs re-design to make it more efficient . The product is good in my opinion . However, there is no contact phone number and I am still waiting for a reply to my emails.

It really works!
I was sceptical but kept with the directions, my boyfriend really notices I want to buy all the bottles now and hope they never run out of stock!

First things first, the product works! Always sceptical about these kind of things but GR-7 are clear about following the guidance systematically to get real results and that's what happened for me. Delighted with the results

Had a good experience with this product! My hair grew in thicker so the grey is less noticeable. The product has a mild scent, so it was pleasant to use.

The delivery was prompt, even in the United States. The product works! I shared before and after pictures (after 3 weeks of use) and there is a noticeable difference. The change is natural, and the hair does not look fake and dyed. I look forward to continuing to use the product and see results after longer use.

It kind of works in some areas better than others. I think the instructions for use should be improved and the manufacturer should create a way to get to the scalp and not get so much waste on the actual hair.

I’ve only used two weeks (twice a day) but I’ve seen a decrease in grey hairs already.

Tried this sceptically, but to my shock and amazement, wow! The results after only one week were incredible. Followed the instructions and avoided washing my hair and used twice a day for the first week and almost all of my grey is gone in only one week.

This actually (surprisingly!!!) works!!! Takes about 7-10 days to see result but it does work! Color is coming back!!!

Very strong chemical. Some liquid dripped into my eyes and it was very intense burning sensation. Also, in the morning I noticed that my silver necklace chain that I was wearing has tarnished black. I decided it can't be safe for human and stopped usage.

The GR7 Real Shades definitely does work and reversed around 95% of grey to original brown color by 3.5 weeks. The temple area is stubbornly resistant, changing slower. I stopped leaving it in 24 hours a day after the 5th day because I couldn't stand the smell and texture while sleeping. So my results are with 12 hours a day and washing hair each night. You have to be patient and keep with it.

I started using it and I could start to see the change after a few days. I am only in the early phases but will update my review as I see more progress 😃

I started to have lots of white hair and instead of coloring them i wanted to try this product. It’s been a month now (first week without washing+ using twice a day then once every other night)
-1bottle last for the first week intensive application, i then bought a second one since the delivery is pretty fast!
-> The application is easy and dry fast if your hair gets wet without getting heavy
-> I definitely see an scalp and hair quality improvement which I’m super happy about after 1month
-> white hairs are way less visible and seems getting slowly color back

Interressting product and composition . Trusting the process