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Sun Jan 18, 2009 9:13 am  |
| Both contain 15% of Vit C but the price is quite different($97.5 vs. $45). Anybody could give an explanation for this? |
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Sun Jan 18, 2009 9:26 am |
happier2009, it is not the % of the vit.C in the serum what determines it`s price. It is price policy of the cosmetic line, it`s marketing, market positioning, strength of the brand name and so on...
there is Vivier 10% vit.C serum priced $65 and Valmont Radiance serum $177. The % here has nothing to do with their prices.
how have you come to that conclusion anyway?  |
_________________
31, combo - oily, breakout-prone, fair complexion, sensitive and prone to rosacea |
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Sun Jan 18, 2009 9:59 am |
| Aiva wrote: |
happier2009, it is not the % of the vit.C in the serum what determines it`s price. It is price policy of the cosmetic line, it`s marketing, market positioning, strength of the brand name and so on...
there is Vivier 10% vit.C serum priced $65 and Valmont Radiance serum $177. The % here has nothing to do with their prices.
how have you come to that conclusion anyway? |
 Just want to see some comments on these 2 products as I am looking for an effective Vit C sersum. |
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havana8
Moderator
 
Joined: 09 Sep 2005
Posts: 3451
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Sun Jan 18, 2009 10:10 am |
| happier2009 wrote: |
| Aiva wrote: |
happier2009, it is not the % of the vit.C in the serum what determines it`s price. It is price policy of the cosmetic line, it`s marketing, market positioning, strength of the brand name and so on...
there is Vivier 10% vit.C serum priced $65 and Valmont Radiance serum $177. The % here has nothing to do with their prices.
how have you come to that conclusion anyway? |
Just want to see some comments on these 2 products as I am looking for an effective Vit C sersum. |
Maybe try using the search function on EDS, happier2009, as there are many comments on these two. Here's a few to get you going:
:: Review :: SkinMedica Vitamin C
http://www.essentialdayspa.com/forum/viewthread.php?tid=24567&highlight=psf+vitamin
Review: PSF *NEW* Vitamin C Serum LOVE IT!!!!
http://www.essentialdayspa.com/forum/viewthread.php?tid=22176&highlight=psf+vitamin |
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Sun Jan 18, 2009 10:39 am |
| havana8 wrote: |
| happier2009 wrote: |
| Aiva wrote: |
happier2009, it is not the % of the vit.C in the serum what determines it`s price. It is price policy of the cosmetic line, it`s marketing, market positioning, strength of the brand name and so on...
there is Vivier 10% vit.C serum priced $65 and Valmont Radiance serum $177. The % here has nothing to do with their prices.
how have you come to that conclusion anyway? |
Just want to see some comments on these 2 products as I am looking for an effective Vit C sersum. |
Maybe try using the search function on EDS, happier2009, as there are many comments on these two. Here's a few to get you going:
:: Review :: SkinMedica Vitamin C
http://www.essentialdayspa.com/forum/viewthread.php?tid=24567&highlight=psf+vitamin
Review: PSF *NEW* Vitamin C Serum LOVE IT!!!!
http://www.essentialdayspa.com/forum/viewthread.php?tid=22176&highlight=psf+vitamin |
Thank you so much! It's really helpful!!!  |
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Sun Jan 18, 2009 10:57 am |
happier2009, I`m using Skinmedica C at the moment and I like the product very much. This is a very stable silicone-based vit.C complex and it`s efficacy was shown in clinical research. However some people break out from silicones in it, so if you have problems with silicones, you might have a look at other serums.
I haven`t used PSF vit.C, so cannot say anything about it, just read about some people were complaining it oxidizes very quickly. |
_________________
31, combo - oily, breakout-prone, fair complexion, sensitive and prone to rosacea |
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Wed Feb 11, 2009 8:41 am |
| happier2009 wrote: |
| Aiva wrote: |
happier2009, it is not the % of the vit.C in the serum what determines it`s price. It is price policy of the cosmetic line, it`s marketing, market positioning, strength of the brand name and so on...
there is Vivier 10% vit.C serum priced $65 and Valmont Radiance serum $177. The % here has nothing to do with their prices.
how have you come to that conclusion anyway? |
Just want to see some comments on these 2 products as I am looking for an effective Vit C sersum. |
happier2009
which vitC did u go with? i am currently looking as well and was wondering if u are happy with your choice
mdspice |
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Wed Feb 11, 2009 10:13 am |
| Hi I'm also in the market to try a new vit C. It's so hard to find a stable, but silicone-free product! Please let me know what you find. Thanks! |
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Thu Feb 12, 2009 12:29 am |
| I think there are several type of victamin c. For example, when I am doing the research on the DDF C3 Plus Serum, I found there are three types of victamin c in it:Ascorbic Acid,Sodium Ascorbate and Magnesium Ascorbyl Phosphate. Lots of company use Magnesium Ascorbyl Phosphate,because it is much stable and not easy to oxidation. |
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Thu Feb 12, 2009 4:16 am |
| The PSF C serum is the one product I don't like from this line. It does oxidize quickly. I prefer Professional Solutions Triple C. Very stable and reasonably priced. |
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Sun May 29, 2011 9:00 am |
Dumb question but how do you know how quickly the serum oxidizes?  |
_________________
30, combination skin, dark hair & blue eyes |
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Sun May 29, 2011 11:24 am |
| Majolenka wrote: |
| Dumb question but how do you know how quickly the serum oxidizes? |
Just based on the colour change. When it oxidizes, it changes into a yellow/orange colour. The smell may change too |
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Sun May 29, 2011 11:25 am |
| Oh and the texture as well |
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Sun May 29, 2011 3:13 pm |
| I used the SkinMedica quite a while back. It is in a silicone base so it has a very different texture than many other C serums. I'm not a huge fan of silicone - just don't like how it feels, but I know others who love it. This is considered an anhydrous base which is supposed to be more stable with L-aa, but there are concerns that it doesn't sink in as well. |
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Sun May 29, 2011 3:56 pm |
| ShastaGirl wrote: |
| I used the SkinMedica quite a while back. It is in a silicone base so it has a very different texture than many other C serums. I'm not a huge fan of silicone - just don't like how it feels, but I know others who love it. This is considered an anhydrous base which is supposed to be more stable with L-aa, but there are concerns that it doesn't sink in as well. |
I'm not adverse to silicones but this product really was too much. It just wasn't pleasant to apply and didn't seem to make my skin look healthy, which vit. c serums usually do.
I now use Cosmetic Skin Solutions C E Ferulic. I've used quite a few C serums and I know they are a fave of EDS posters, so perhaps we could do a poll to see the most popular? |
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