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Tue Jan 21, 2014 8:32 pm |
I have read in many places that retinol products are best kept stable when in air tight containers. Well, I have been looking at certain retinol products contained in tubes that you squeeze out, comparable to toothpaste. Wouldn't the exposure to air quickly ruin the ptency of the retinol in that case. I am wanting to switch from Avene Eluage which is in an airtight container, to avene Retrinal .1 which has a higher concentration of retinaldehyde, but I feel like that higher concentration will become irrelevant the moment I open the tube for the first time due to inevitable air exposure.
Any ideas? |
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havana8
Moderator
Joined: 09 Sep 2005
Posts: 3449
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Wed Jan 22, 2014 7:59 am |
This is what Dr Baumann says about retinol packaging:
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While prescription-strength retinoids are known to be successful in reversing and preventing the signs of aging, it is important to remember that properly formulated retinol products can be efficacious as well. These products must be packaged in special low-light conditions to ensure stability. They should be packaged in lightproof aluminum tubes. Most over- the-counter products contain 0.04%-0.08% retinol.
It is impossible to ascertain by reading the label which products are manufactured and packaged properly, so it is best to stick with reputable brands that you can trust.
In order to better guide our patients, we went to a local pharmacy and purchased every product containing or claiming to contain retinol. For each, we examined the packaging and the product inside as well as any labeling or marketing from the company.
Two examples of brands that are manufactured and packaged properly are RoC Retinol Actif Pur and Neutrogena Healthy Skin. I feel comfortable recommending these to my patients.
http://skintypesolutions.com/index.php?option=com_article&view=article&id=60 |
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