I use it night before washing my hair, so it has time to work/absorb. @ time repurchase.

Has really made a difference, very happy with it and would def repurchase

After using this I see baby hairs growing! I brought it 3 times and combine it with hair oils I have on rotation.

use it twice a week and i think it did help with increasing hair thickness. i re-ordered it.

Ok, full disclosure here: I have endometriosis and suffer from constant hair loss since I was 16 years old. I had corona virus three times and on the first go it exacerbated my hair loss. I did a very painful test with a dermatovenerologist and it turned out I was right to worry. I cut my long hair in a lobe and started to make everything possible to regrow my hair. It has now been almost three full years and my hair is noticeably thicker. I have tried supplements, collagen tonics, scalp scrubs, shampoos, better hair care in general, bond repairing treatments and, of course, scalp serums. This one makes the most promises out of all I've tried so far and I must say I am really pleased with this product and have repurchased. I usually don't use it as prescribed: massage it in and leave it for 20 min, I usually leave it overnight. I can't put it on without washing my hair as the liquid is thick. My scalp is feeling more healthy, I have so much new baby hairs and my hair feels thicker!