No other word could adequately describe this serum but booster. That's exactly what it does. Within days I could see a positive difference. I now use it daily.

2025-02-26

I like it because I can use it every day with no changes in my hair style.

2024-08-14

So far this product is safe and friendly with my scalp I see a little difference of hair restoration, I use the supplements as well, those seem to work effectively at the moment, I may order another pack.

2024-07-14

My hairline was receding in a couple places. This product, used together with Spectral DNC-N, has brought back my hair. I am thrilled! Will try on thinning brows now!

2024-04-10

I use this along with other products and noticed a difference with growth and thickness and fullness of my hair

2024-01-04

LOVE! It does what it is intended for! Seen results in 3 weeks

2023-12-05

Great results been using the product for a few years now. No smell at all. No residue in the hair.

2023-11-01

I think it really helped. I had difficulty making everything work in the time I have in the morning to get ready.

2023-08-09

Excellent product works well haven’t seen all the result I desire but excellent products

2023-05-25

Amazing products, smell is great, not very greasy - DS always happy to help with enquiries.

2023-03-05

Spectral F7, used in conjunction with your other products, such as Revita shampoo, has helped me keep my hair. As a sixty- seven year old man, I thought I would be almost bald ten years ago. Instead, I have almost as much hair now as I did then. I owe most of this to your great products.

2023-01-04

I’m giving my Spectral F7 booster w/ astressin some time to promote hair growth. Learning to be patient is the key. I’m hoping to see substantial hair growth from using spectral F7. Spectral F7 don’t fail me!!

2022-09-28

It really works! And the product doesn’t irritate the scalp like the other ones! Very good stuff!

2022-05-14

Works great along with Spectral DNC-N. I’ve been using them both for 3 months and notice thicker hair already

2022-04-09

I have been using Spectral F 7 for more than 6 months . I have seen a major change in the quality of my hair and a stop to stress shedding . Very pleased .

2022-04-08

I’ve been using this for about 6-7 months now in conjunction with shampoo and conditioner and I feel it has helped me a lot …..my part line is definitely filling in and more dense😎

2022-04-05

This product reduces my hair loss at shampoo time, and doesn't leave any oily residue.

2022-03-10

I have been using DS products for 6 months with great success. My hair is fuller and I have more of it. I will be 60 this May and I am pleased to see the same hairline of my 20’s.

2022-02-26

Just as it says booster I use it with the spectral dnc-n and the roller I have definitely seen incredible increased results!

2022-02-17

I been using all of the products I ordered four years and it’s been working fine I just want to keep the hair I have for my age

2021-12-06