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I found a little bottle with a pump of vitamin c. Its not air tight so will it still have effectiveness do you think? Oh and also do you think its safe to do a bs wash before applying the vitamin c??
1
Can Vitamin C serum lose its potency?
Started by bigpun, Oct 18 2005 07:31 PM
3 replies to this topic
#1
bigpun
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Posted 18 October 2005 - 07:31 PM
#2
shriek
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Posted 19 October 2005 - 05:34 AM
QUOTE(bigpun @ Oct 18 2005, 05:31 PM) 
I found a little bottle with a pump of vitamin c. Its not air tight so will it still have effectiveness do you think? Oh and also do you think its safe to do a bs wash before applying the vitamin c??
I think so, cuz Vitamin C is very easy to get oxidized.
#3
~Emma~
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Posted 19 October 2005 - 03:36 PM
QUOTE(bigpun @ Oct 19 2005, 11:31 AM)
I found a little bottle with a pump of vitamin c. Its not air tight so will it still have effectiveness do you think? Oh and also do you think its safe to do a bs wash before applying the vitamin c??
I buy L-ascorbic acid crystals. In dry form it degrades much slower and you can just mix it in with any other product. Plus for C to be most effective it has to be above a certain strength so you are guaranteed to know how much is going onto your face.
#4
presrox
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Posted 19 October 2005 - 05:26 PM
omg there are so many rules and facts to how vitamin c can stay stable. i think it has to be in a metal tube, can't be exposed to air, and it shouldn't be combined with too much water. there are other factors as well.
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