[Lisa18]

@ketchito, final ph is 5.8. I use a preservative system based on phenoxyethanol, benzoic acid and dehydroacetic acid. Sodium chloride is present around 0,1%.
Surfactants are: ammonium lauryl sulfate, Coco glucoside and cocamidopropylbetaine. Beads are bamboo microgranuli but I don’ t remember grain size????

[Lisa18]

 The prototype is ok and it is in stability.
I have used almond oil, jojoba oil and emollients like coco caprylate.
I have preserved the emulsion with phenoxyethanol and ethylhexylglycerin.

[Lisa18]

Parfum is 6% and at the moment we use emuclear as solubilizer but it’ s a etoxylathed solubilizer

[Lisa18]

Aqua q.b 100%
Ethanol 40%
Parfum 6%
Distilled water 2%
Actives 1%

[Lisa18]

thank you chemicalmatt.I use sodium phytate as chelante.caprylyl glycol gave me viscosity drops in emulsion

[Lisa18]

thanks for your comments. they are always welcome

[Lisa18]

I use naOH solution 30% to pH 5.5 but I don’t use a buffer system.Perhaps aloe vera gel ( acidic pH) can decrease final pH?

[Lisa18]

In creams with high % of Aloe but whitout polymers, do you insert always a buffer system?

[Lisa18]

Formulation that lost viscosity contains 1% euxyl pe 9010 as preservative system.koko test is passed. Ethylhexylglycerin can influence viscosity after a long time of storage?

[Lisa18]

Thank you very much.very interesting!

[Lisa18]

Thanks @ doreen.
I also always use  chelating agent to help stability. What % of polymer do you consider?

[Lisa18]

Thank you very much Belassi.
I realized some formulation similar to yours but I have used polymer instead of carbomer.the sample are 7 months old

[Lisa18]

I realized organic certified face cream with 7-8% of Organic Aloe vera gel and result is good.in.this case there aren’ t polymers or carbomers because they aren’ allowed by standard

[Lisa18]

In the past I realized an Aloe vera dermogel and I use mix of xanthan gum and sclerotium gum to reach a desidere viscosity because Aristoflex Avc didn’t thicken the system.i agree with you.I had the same.experience.
But when I realized face cream with emulsifier and consistency factors ( and Aristoflex Avc to stabilize the system)and with Aloe vera gel I reached desired viscosity.

I’m making samples to see if the system remains stable over time

[Lisa18]

So do you think the viscosity variations are seen immediately?

[Lisa18]

But did you use aloe vera gel only with traditional gums and emulsifiers or even polymers?

[Lisa18]

thanks. for some years I use aloe gel in emulsions where there are both traditional emulsifiers and polymers (in my case Aristoflex avc) and I have not had any problems.
lately, however, in some prototypes I have seen some drops in system viscosity and I am trying to analyze the causes. These viscosity drops occur, however, after long storages.

[Lisa18]

customer admits polymers but does not want silicones

[Lisa18]

Exactly

[Lisa18]

In emulsion?

[Lisa18]

Not even with polymers?

[Lisa18]

thanks for your advice. for a few years I’m formulating without the traditional ingredients (peg, parabens, ethoxylates, silicones) and I’m trying to better understand stability and long-term behavior. can use xanthan gum increasing quantity of emulsifier and stabilizer (removing then aristoflex avc) can be useful in terms of stability?

[Lisa18]

Not even very small amount of aloe? I have already formulated PEG free emulsions in the past with Aristoflex Avc and Aloe but I haven’ t noticed variations.
Theregore this lods of viscosity can be considered normal?

[Lisa18]

My client is very demanding!
If we indicate a 12 months PAO, we must garantee a good product life even if it’ s not simple..

[Lisa18]

We have formulated opaque shaower gel with polymers without SLES and PEG but afetr some times (1 month) the opacifying precipitates.Do you have any suggestions?
Thanks
Lisa