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	<title>Comments on: 3 Surprising Combinations of Ingredients You Might Not Want in Your Skin Care</title>
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	<link>http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/</link>
	<description>Perspectives from a future dermatologist</description>
	<lastBuildDate>Thu, 18 Mar 2010 09:27:07 -0700</lastBuildDate>
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		<title>By: Product Review: Philosophy The Miracle Worker Miraculous Anti-Aging Retinol Pads and Solution &#171; FutureDerm.com</title>
		<link>http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/comment-page-1/#comment-4239</link>
		<dc:creator>Product Review: Philosophy The Miracle Worker Miraculous Anti-Aging Retinol Pads and Solution &#171; FutureDerm.com</dc:creator>
		<pubDate>Mon, 18 Jan 2010 00:00:33 +0000</pubDate>
		<guid isPermaLink="false">http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/#comment-4239</guid>
		<description>[...] and that is the product&#8217;s inclusion of vitamin C in the product.  As I have discussed in a previous post, I don&#8217;t typically choose products with vitamins A and C together, as it has been [...]</description>
		<content:encoded><![CDATA[<p>[...] and that is the product&#8217;s inclusion of vitamin C in the product.  As I have discussed in a previous post, I don&#8217;t typically choose products with vitamins A and C together, as it has been [...]</p>
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		<title>By: Ruben</title>
		<link>http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/comment-page-1/#comment-3796</link>
		<dc:creator>Ruben</dc:creator>
		<pubDate>Wed, 09 Dec 2009 12:10:09 +0000</pubDate>
		<guid isPermaLink="false">http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/#comment-3796</guid>
		<description>PS: My finalproject is entiteled &#039;Cosmetic actives - Technical, customer and markting research&#039;  When finished I&#039;ll send you a copy :)</description>
		<content:encoded><![CDATA[<p>PS: My finalproject is entiteled &#8216;Cosmetic actives &#8211; Technical, customer and markting research&#8217;  When finished I&#8217;ll send you a copy <img src='http://www.futurederm.com/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
]]></content:encoded>
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	<item>
		<title>By: Ruben</title>
		<link>http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/comment-page-1/#comment-3795</link>
		<dc:creator>Ruben</dc:creator>
		<pubDate>Wed, 09 Dec 2009 12:08:32 +0000</pubDate>
		<guid isPermaLink="false">http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/#comment-3795</guid>
		<description>I&#039;m studying cosmetic science and my professor said that when we make an emulsion containing AHA/BHA/Retinol or any other ingredient which require a higher pH then the AHA/BHA we can simply fix that by creating an O/W/O/W emulsion, better known as a MLE (Multipule Layer Emulsion). We then do the AHA/BHA in one O/W emulsion with the correct pH and add another O/W emulsion with the retinol to it! This way you can easily combine them both without harming the pH effectiness.

Also many cosmetic products containing VIT A are just in it to help the Oils from oxidation during the heating up process. example: we make an Night Cream O/W or W/O and insert retinyl palmitate to the oil phase to protect the oil when it&#039;s being warmed up till 70° or so. It has no real benefits for the skin just to help prevent the oil from Oxidation, it&#039;s usually then in products with an 0,5% concentration, ofcourse this doesn&#039;t go for retinol since that&#039;s active that you add in the Temperature sensitive fase. Same goes for Tocopherol oil which is just inserted to protect the oil, it&#039;s Tocopherol acetate that has benefits for the skin.</description>
		<content:encoded><![CDATA[<p>I&#8217;m studying cosmetic science and my professor said that when we make an emulsion containing AHA/BHA/Retinol or any other ingredient which require a higher pH then the AHA/BHA we can simply fix that by creating an O/W/O/W emulsion, better known as a MLE (Multipule Layer Emulsion). We then do the AHA/BHA in one O/W emulsion with the correct pH and add another O/W emulsion with the retinol to it! This way you can easily combine them both without harming the pH effectiness.</p>
<p>Also many cosmetic products containing VIT A are just in it to help the Oils from oxidation during the heating up process. example: we make an Night Cream O/W or W/O and insert retinyl palmitate to the oil phase to protect the oil when it&#8217;s being warmed up till 70° or so. It has no real benefits for the skin just to help prevent the oil from Oxidation, it&#8217;s usually then in products with an 0,5% concentration, ofcourse this doesn&#8217;t go for retinol since that&#8217;s active that you add in the Temperature sensitive fase. Same goes for Tocopherol oil which is just inserted to protect the oil, it&#8217;s Tocopherol acetate that has benefits for the skin.</p>
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		<title>By: Susan</title>
		<link>http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/comment-page-1/#comment-3715</link>
		<dc:creator>Susan</dc:creator>
		<pubDate>Thu, 03 Dec 2009 20:10:08 +0000</pubDate>
		<guid isPermaLink="false">http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/#comment-3715</guid>
		<description>Can you apply a moisture cream after a Vit A cream to help minimize irritation and dryness? If so, how much after should you apply.

Thank you</description>
		<content:encoded><![CDATA[<p>Can you apply a moisture cream after a Vit A cream to help minimize irritation and dryness? If so, how much after should you apply.</p>
<p>Thank you</p>
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		<title>By: joseph</title>
		<link>http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/comment-page-1/#comment-3366</link>
		<dc:creator>joseph</dc:creator>
		<pubDate>Sat, 10 Oct 2009 22:48:50 +0000</pubDate>
		<guid isPermaLink="false">http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/#comment-3366</guid>
		<description>FANTASTIC article!  i&#039;ve been a skincare junky for the past decade and the past few years i&#039;ve really become interested in the formulation process.  this article shows me some of the things cosmetic chemists have to take into consideration to create quality, effective formulations!!  thank you so much!</description>
		<content:encoded><![CDATA[<p>FANTASTIC article!  i&#8217;ve been a skincare junky for the past decade and the past few years i&#8217;ve really become interested in the formulation process.  this article shows me some of the things cosmetic chemists have to take into consideration to create quality, effective formulations!!  thank you so much!</p>
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		<title>By: FutureDerm.com &#187; The 6 Most Shocking Facts I&#8217;ve Learned as a Beauty Blogger</title>
		<link>http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/comment-page-1/#comment-3345</link>
		<dc:creator>FutureDerm.com &#187; The 6 Most Shocking Facts I&#8217;ve Learned as a Beauty Blogger</dc:creator>
		<pubDate>Thu, 08 Oct 2009 02:40:59 +0000</pubDate>
		<guid isPermaLink="false">http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/#comment-3345</guid>
		<description>[...] there, mixing certain ingredients together can alter the effectiveness of each via the pH (e.g., retinoids and alpha hydroxy acids), conflicting effects (e.g., niacinamide and sirtuins), or even the texture of each (in general, [...]</description>
		<content:encoded><![CDATA[<p>[...] there, mixing certain ingredients together can alter the effectiveness of each via the pH (e.g., retinoids and alpha hydroxy acids), conflicting effects (e.g., niacinamide and sirtuins), or even the texture of each (in general, [...]</p>
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		<title>By: Rose</title>
		<link>http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/comment-page-1/#comment-3123</link>
		<dc:creator>Rose</dc:creator>
		<pubDate>Mon, 21 Sep 2009 09:46:32 +0000</pubDate>
		<guid isPermaLink="false">http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/#comment-3123</guid>
		<description>Hi, thanks for the information! I was wondering, if I use a cleanser with salicylic acid before using retinol, will that have adverse effects? Also, does AHA/BHA working best at different pH levels than retinoids mean that any of the products actually change the pH level? If not, how would using the products together make the situation worse (i.e., make the pH less favorable to one of the products) than it already is? 
Thanks!</description>
		<content:encoded><![CDATA[<p>Hi, thanks for the information! I was wondering, if I use a cleanser with salicylic acid before using retinol, will that have adverse effects? Also, does AHA/BHA working best at different pH levels than retinoids mean that any of the products actually change the pH level? If not, how would using the products together make the situation worse (i.e., make the pH less favorable to one of the products) than it already is?<br />
Thanks!</p>
]]></content:encoded>
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		<title>By: Share The Love: Weekly Linkage Roundup &#171; Lazy Beautiful</title>
		<link>http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/comment-page-1/#comment-3098</link>
		<dc:creator>Share The Love: Weekly Linkage Roundup &#171; Lazy Beautiful</dc:creator>
		<pubDate>Mon, 14 Sep 2009 05:32:55 +0000</pubDate>
		<guid isPermaLink="false">http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/#comment-3098</guid>
		<description>[...] Some ingredient combinations you might not want in your skin care products. &#8211; FutureDerm.com [...]</description>
		<content:encoded><![CDATA[<p>[...] Some ingredient combinations you might not want in your skin care products. &#8211; FutureDerm.com [...]</p>
]]></content:encoded>
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		<title>By: hayley</title>
		<link>http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/comment-page-1/#comment-3084</link>
		<dc:creator>hayley</dc:creator>
		<pubDate>Thu, 10 Sep 2009 05:31:41 +0000</pubDate>
		<guid isPermaLink="false">http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/#comment-3084</guid>
		<description>The MD skincare peel is said to contain retin-a and aha&#039;s and bha&#039;s. What do you make of this? 
I think it has thinned my skin a little, but I expect that if I lay off it for a while, my skin will regenerate.</description>
		<content:encoded><![CDATA[<p>The MD skincare peel is said to contain retin-a and aha&#8217;s and bha&#8217;s. What do you make of this?<br />
I think it has thinned my skin a little, but I expect that if I lay off it for a while, my skin will regenerate.</p>
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		<title>By: Lauren</title>
		<link>http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/comment-page-1/#comment-3083</link>
		<dc:creator>Lauren</dc:creator>
		<pubDate>Wed, 09 Sep 2009 19:47:23 +0000</pubDate>
		<guid isPermaLink="false">http://www.futurederm.com/2009/09/08/3-surprising-combinations-of-ingredients-you-might-not-want-in-your-skin-care/#comment-3083</guid>
		<description>Great information! You mentioned there&#039;s evidence that BHA&#039;s thin the skin. Is that a permanent effect that can ultimately lead to more aging? I&#039;ve been using an antioxidant face lotion with salicylic acid. Now I&#039;m wondering if I&#039;m doing more harm than good.</description>
		<content:encoded><![CDATA[<p>Great information! You mentioned there&#8217;s evidence that BHA&#8217;s thin the skin. Is that a permanent effect that can ultimately lead to more aging? I&#8217;ve been using an antioxidant face lotion with salicylic acid. Now I&#8217;m wondering if I&#8217;m doing more harm than good.</p>
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