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Mon Oct 13, 2008 12:39 pm  |
| I was just wondering because they come in different percentages and the higher percentages seem to be for oiler skin. |
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47, blonde(by choice to cover grey-otherwise medium blonde/brown)/fair to medium skintone/blue-green eyes/oily t-zone/obagi graduate 5/2/08/newbie to skincare |
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Tue Oct 14, 2008 12:49 am |
| Not by my experience, but I also use a pretty good moisturizer because I have dry skin to start with. |
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Tue Oct 14, 2008 8:09 am |
| Then what do the different percentages mean? |
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47, blonde(by choice to cover grey-otherwise medium blonde/brown)/fair to medium skintone/blue-green eyes/oily t-zone/obagi graduate 5/2/08/newbie to skincare |
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Tue Oct 14, 2008 8:54 am |
I use a 12% concentration. Most of the products range from 10 to 20%. Some people find Vitamin C irritating, and depending on the base in which it is dissolved, it may cause breakouts for some. I haven't had either problem myself and have found Vitamin C serum to be extremely effective in evening my skintone and reducing hyperpigmentation.
There are a number of published scientific studies demonstrating the benefits of Vitamin C. I wouldn't be without it. |
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Tue Oct 14, 2008 8:54 am |
| gonatural wrote: |
| Then what do the different percentages mean? |
different percentages usually mean different amount of an active ingredient present in a serum, usually l-ascorbic acid.
thus, 10% vit.C serum has 10% of l-ascorbic acid, while 20% - 20% respectively...
HTH |
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31, combo - oily, breakout-prone, fair complexion, sensitive and prone to rosacea |
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Tue Oct 14, 2008 8:58 am |
| usually it is recommended that you start with the lowest %, say 10% vit.C serum, then move your way higher if your skin responds well. Very high % can irritate skin, but to many people (if there is no irritation) it`s high % that makes the difference. |
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31, combo - oily, breakout-prone, fair complexion, sensitive and prone to rosacea |
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dpbrown523
New Member
 
Joined: 02 Nov 2006
Posts: 9
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Tue Oct 14, 2008 11:32 am |
| I have not noticed them being drying at all. |
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