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How to Thicken up Home made Vitamin C serum?

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fawnie
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Tue Mar 26, 2013 8:25 am      Reply with quote
Xanthan gum is ... well... gummy. I use sclerotium gum, chitosan or cellulose to thicken a serum. Sclerotium and chitosan give a nice "slip". A 10% of a 1% solution mixed with the final emulsion is nice.

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ellaelise
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Wed May 01, 2013 11:12 pm      Reply with quote
ShastaGirl, I want to make the Kassy's C+E+FA w/jojoba and use hyaluronic acid in place of water exactly as you do, except I purchased the powder version instead of the gel version.

Could you tell me exactly how to make the Kassy's C+E+FA w/jojoba and sea kelp, and how to make the hyaluronic powder into a gel? Talk to me like I'm three, please. Bad Grin
ShastaGirl
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Fri May 03, 2013 8:08 pm      Reply with quote
ellaelise wrote:
ShastaGirl, I want to make the Kassy's C+E+FA w/jojoba and use hyaluronic acid in place of water exactly as you do, except I purchased the powder version instead of the gel version.


Try this recipe for mixing the powder HA into a liquid/gel. You must use very cold water and shake it occasionally. I've made the recipe with 4 oz of water and a 1/4 teas of HA powder.

http://www.essentialdayspa.com/forum/viewthread.php?p=524714&highlight=ha+ice+water#524714
ShastaGirl
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Fri May 03, 2013 8:20 pm      Reply with quote
ellaelise wrote:
ShastaGirl,
Could you tell me exactly how to make the Kassy's C+E+FA w/jojoba and sea kelp, and how to make the hyaluronic powder into a gel? Talk to me like I'm three, please. Bad Grin


I know you can handle this...

After your HA is dissolved in the liquid (usually takes about 24 hours) you can follow these steps (courtesy of Kassy):

15% vitamin C + E + ferulic acid serum with Jojoba

1 tsp L-Ascorbic Acid (should be fine powder, not from a food version of vit c, as it has fillers)
1 tsp Sea Kelp Bioferment
1 tsp Jojoba Oil
3 tsp Distilled water
1/4 tsp Ferulic Acid
1/4 tsp Vitamin E Oil (from capsules or bottle)
1/4 tsp Vodka
1/2 tsp Hyaluronic Acid liquid

1) First dissolve the ferulic acid in the vodka in one shotglass.
2) Combine the SKB, vit E and jojoba oil in a second shotglass. If it doesn't dissolve, microwave it on high for about 6 seconds and stir vigorously.
3) Quickly mix the L-ascorbic acid into the water in a third shotglass and combine with the other 2 shotglasses. Add HA.

Store in a dark closed dropper bottle in a cool but not necessarily cold place.
Shake before using each time.

***Be sure that each phase is completely dissolved before combining all the phases together.*** Your serum should be a milky thin fluid, and it is normal to have an oily layer on top. Shake well before using each time to disperse the oil and water phases.
ellaelise
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Tue May 07, 2013 8:54 pm      Reply with quote
Thank you ShastaGirl. I know I'm a bit of a pest, but this is my first time DIYing. I've mixed my HA/water and will make the rest tomorrow after 24 hours have passed, and will let you know how it goes!
ellaelise
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Fri May 31, 2013 12:12 am      Reply with quote
NM, figured it out all on my own!
caramelqt3683
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Tue Nov 05, 2013 5:23 pm      Reply with quote
fawnie wrote:
Xanthan gum is ... well... gummy. I use sclerotium gum, chitosan or cellulose to thicken a serum. Sclerotium and chitosan give a nice "slip". A 10% of a 1% solution mixed with the final emulsion is nice.


Hello,
Where do you find this? I haven't seen it on the sites I've been ordering from... (GOW, Lotioncrafter, Bulkactives, Skinactives, etc.)
Also, is this a thickener that will give the serum a powder-y feel or do you know what to use to do so?
Thanks

ETA
fawnie
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Wed Nov 06, 2013 7:44 am      Reply with quote
You can add grains of sclerotium gum to make a slippery serum instead of a watery one. Just a few at a time and shake/let sit. It takes a while for it to rehydrate and thicken up. Sclerotium gum also acts upon keratinocyte differentiation and protects skin barrier. It doesnt affect pH either:

http://stores.skinessentialactives.com/-strse-105/Sclerotium-Gum%2C-15-grams/Detail.bok

A "powdery" feel? Ill have to work on that one. Some polymers and silicones will do that but I assume you want a more natural formula?

2% Zinc sulfate is a nice addition to a C serum formula if you have oily/blemished skin too. It takes away the oily feel.

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ellaelise
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Wed Mar 22, 2017 10:59 pm      Reply with quote
I'm sorry to bring back this ancient thread! I just remember that I used pH strips to measure the PH of my at-home Vitaminc C serum. The problems are, for the life of me, I can't remember 1) where I purchased the strips from and 2. Wha the ideal pH was for my serum. Help??
arielstar08
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Thu Sep 07, 2017 6:10 pm      Reply with quote
Most thickeners are ph sensitive and turn watery upon contact with acids.

This might work

https://www.bulkactives.com/product/product/gelmaker-ultra-emulsifier.html/gel?search=gel

Specifications state it is ph stable from 2-11.

Try and see.

But I really wouldn't bother. The Vit C serum will work better as it is. Just put a few drops directly on to the face and smooth over. Let it absorb.
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Tue Oct 17, 2017 5:21 pm
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