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To preserve or not

EDS Skin Care Forums Forum Index » Skincare Tools & Do-It-Yourself Skincare
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capricorn
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Sat Aug 10, 2013 12:16 pm      Reply with quote
I noticed that almost all of the vitamin C DIY recipes doesn't mention anything about preservatives.

Is it safe to make e.g. a CEF serum without using preservatives and for how long time will it stay safe from a bacterial standpoint?
Immacolata
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Sat Aug 10, 2013 5:27 pm      Reply with quote
If you keep it in the fridge for only a few days, it should be okay. Nonetheless, I wouldn't use any kind of water-based product that didn't have preservative. I'd rather have the minuscule amount of preservative than the bacteria and fungus that can and do grow in unpreserved product.

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panoslydios
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Sat Aug 10, 2013 6:06 pm      Reply with quote
Never ever preserve anything.Freshness is the king.

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capricorn
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Sat Aug 10, 2013 9:54 pm      Reply with quote
panoslydios wrote:
Never ever preserve anything.Freshness is the king.


But making a fresh batch of CEF serum weekly is not an option in a busy schedule.
capricorn
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Sat Aug 10, 2013 11:57 pm      Reply with quote
When reading the safety sheet on my preservative (phenoxyethanol) it says it is a skin irritant and if the skin is exposed to phenoxyethanol, it should be washed off immediately with soap and plenty of water. It is a bit scary to think that we apply this to our skin everyday.
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Sun Aug 11, 2013 7:14 am      Reply with quote
If you put it directly on your skin, I would think that it would burn! In a very small percentage, there is a very low risk, if any.

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fawnie
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Sun Aug 11, 2013 9:03 am      Reply with quote
I would always use a preservative in a product unless I make it every 3 days! You arent limited to phenoxyethanol since there are tons of newer "natural" preservs out there. 5% absolute EtOH + honeysuckle extract (the powder) is effective.

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daler
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Sun Aug 11, 2013 9:09 am      Reply with quote
This is a good option for water based products, it's used in contact lens solution so it better be very safe!:

http://www.formulatorsampleshop.com/FSS-BIGUANIDE-20-p/fssm15012.htm

however it has compatibility issues n is not as simple as using the germaben II...
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Mon Aug 12, 2013 7:03 am      Reply with quote
When I make lotion, I use Germail Plus. I've never had any irritation and the lotion stays nice until the bottom of the bottle.

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Kassy_A
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Mon Aug 12, 2013 1:33 pm      Reply with quote
I haven't made a bloody thing without preservatives in almost 3 years. What's more, I heat & hold my water/oil phases (140F X 20min) for every product I make, and I'm anal compulsive with sterility of all equipment.

Lovin' the DIY bug, but not the creepy, crawly, moldy bugs...



Laughing

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♥I'm flattered by all the lovely PM's, but I don't get here much these days. Please don't be afraid to post your quearies to other DIY members who will be glad to help you (or sell you their wares..lol) Still happy with LED, dermarolling and a DIY antioxidant regime. Peace & Hugs to all.♥
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