mvpsoft said:
RR, there are in vivo studies showing cu's promote regrowth.
"Using an FDA clinically tested method, Tricomin products showed effectiveness in stimulating hair growth in
partial FDA Trials."
mvpsoft said:
Please point me to similar in vivo (not in vitro, heck, saw palmetto works in vitro) studies showing Revivogen is a regrowth agent.
For avoidance of doubt I was claiming that GSE is a regrowth agent not revivogen, per se.
STUDY A:
Procyanidin Oligomers selectively and intensively promote proliferation of mouse hair epithelial cells in vitro and activate hair follicle growth in vivo.
J Invest Dermatol 1999 Mar;112 (3):310-6
Takahashi T, Kamiya T, Hasegawa A, Yokoo Y
Tsukuba Research Laboratories, Kyowa Hakko Kogyo, Ibaraki, Japan.
We have previously reported that proanthocyanidins extracted from grape seeds possess growth-promoting activity toward murine hair epithelial cells in vitro and stimulate anagen induction in hair cycle progression in vivo. This report constitutes a comparison of the growth-promoting activity of procyanidin oligomers and the target cells of procyanidins in the skin. Results show that procyanidin dimer and trimer exhibit higher growth-promoting activity than the monomer. The maximum growth-promoting activity for hair epithelial cells with procyanidin B-2, an epicatechin dimer, reached about 300% (30 microM) relative to controls (= 100%) in a 5 d culture. Optimum concentration of procyanidin C-1, an epicatechin trimer, was lower than that of procyanidin B-2; the maximum growth-promoting activity of procyanidin C-1 was about 220% (3 microM). No other flavonoid compounds examined exhibit higher proliferative activities than the procyanidins. In skin constituent cells, only epithelial cells such as hair keratinocytes or epidermal keratinocytes respond to procyanidin oligomers. Topical application of 1% procyanidin oligomers on shaven C3H mice in the telogen phase led to significant hair regeneration [procyanidin B-2, 69.6% +/- 21.8% (mean +/- SD); procyanidin B-3, 80.9% +/- 13.0%; procyanidin C-1, 78.3% +/- 7.6%] on the basis of the shaven area; application of vehicle only led to regeneration of 41.7% (SD = 16.3%). In this paper, we demonstrate the hair-growing activity of procyanidin oligomers both in vitro and in vivo, and their potential for use as agents to induce hair growth.
mvpsoft said:
Furthermore, the original poster is already using finasteride, which inhibits the formation of DHT. Since Revivogen is also an anti-DHT agent, it is not clear that adding it to his regimen will have any effect whatsoever.
Yes but finasteride doesn’t reduce serum DHT levels down to zero. The remaining DHT in the serum could very well still be affecting the hair follicles which would explain why people on finasteride sometimes continue to recede.
mvpsoft said:
In fact, a while ago I asked Bryan whether adding Revivogen to a regimen that already included finasteride would do much good, and he replied that in his opinion it would not.
Right, well then you must be right. :roll:
mvpsoft said:
CU's work differently and are much more likely to complement rather than duplicate the actions of the big three.
Yeah they're great for scalp health and that is all.