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Tue Jul 26, 2005 9:17 am  |
I was browsing a website today and was interested by a few of their products. However, having looked at the ingredients I don't have a clue if the products would be of any use and so wondered if some of the more informed members of the board could take a look and pass comment on whether they think the products might actually work or whether it is all a con.
Antioxidant Serum
Antioxidant Gel
Rose Plus Face Cream
Super Antioxidant Capsules
I realise that the percentages aren't given on the list of ingredients but are the ingredients actually any good?
I like the idea of using an organic approach to anti-ageing but I don't know if the natural approach will actually work.  |
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Pale, freckles, oily/combination, dehydrated. Hormonal break-outs. 30s, some fine lines appearing around the eyes. |
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Tue Jul 26, 2005 9:35 am |
| Well, I am not sure if I am more informed, but I think just saying Vit C or Vit A is not particularily helpful. The ingredients don't list the actual form of the anti-oxidants being used. Just Vitamin C doesn't tell us much. C, for example, comes in many forms but only l'ascorbic can be absorbed. Not sure about the vitamin A, but I think for a good anti-aging product, I would want it to say retinol or even retinyl palmitate, not just Vit A. |
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~normal but prone to dryness~slightly sensitive~usually clear~totm breakouts~mid 20s~ |
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Tue Jul 26, 2005 10:07 am |
The vitamin C is Ester-C according to the website. I have noticed this ingredient in other products but if L'Ascorbic Acid is the only form that can be absorbed why do companies use Ester-C?
ETA: It appears that the Vitamin A is not really what it seems. It is sourced from carrots so that would make it Beta-Carotene. |
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Pale, freckles, oily/combination, dehydrated. Hormonal break-outs. 30s, some fine lines appearing around the eyes. |
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Tue Jul 26, 2005 12:05 pm |
It's not that C-ester can't be absorbed..it's that it must be enzymatically metabolized by your skin and converted to l-ascrobic acid first before it can be absorbed. That process takes away alot of the % of C you are using.
By the way, I was scanning PubMed the other day looking at research on C/antioxidants and there was a paper that said both lycopene and beta-carotene were not good for topical use as antioxidants. Actually encouraged the formation of something or other that made your skin more aged. I did not save the article but I did note that because it was unusual. Maybe these are better taken internally as antioxidants. |
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Tue Jul 26, 2005 7:04 pm |
| Quote: |
Natural and synthetic L-ascorbic acid are chemically identical and there are no known differences in their biological activity. The possibility that the bioavailability of L-ascorbic acid from natural sources might differ from that of synthetic ascorbic acid was investigated in at least two human studies and no clinically significant differences were observed.
Ascorbate and vitamin C metabolites (Ester-C®): Ester-C® contains mainly calcium ascorbate, but also contains small amounts of the vitamin C metabolites dehydroascorbate (oxidized ascorbic acid), calcium threonate, and trace levels of xylonate and lyxonate. In their literature, the manufacturers state that the metabolites, especially threonate, increase the bioavailability of the vitamin C in this product and they indicate that they have performed a study in humans that demonstrates the increased bioavailability of vitamin C in Ester-C®. This study has not been published in a peer-reviewed journal. A small published study of vitamin C bioavailability in 8 women and 1 man found no difference between Ester-C® and commercially available ascorbic acid tablets with respect to the absorption and urinary excretion of vitamin C (6). Ester-C® should not be confused with ascorbyl palmitate, which is also marketed as "vitamin C ester"
Ascorbyl palmitate is frequently used in topical preparations because it is more stable than some aqueous (water-soluble) forms of vitamin C (11). Ascorbyl palmitate is also marketed as, "vitamin C ester," which should not be confused with Ester-C® |
The Bioavailability of Different Forms of Vitamin C |
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Tue Jul 26, 2005 7:38 pm |
Wow this products look very interesting. Thanks for sharing, I'll definitely take the time to look at them....not that I'm an expert by any stretch.  |
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| Thu Apr 25, 2024 12:17 pm |
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