[gordof]

hi 

I would say you need something to solubilize/ Emulsify the tea Tree and lavender oil. not Shure if the Sorbitan Oleate Decyl is the Right one for that. Depends on the fact if you want to have an emulsion or clear spray. 

the gelating agent can be beneficial within extract heavy Formulations because it prevents flocculation of the extracts. but that greatly depends on Production water Quality and the Quality of the Extracts from my experience. if you want to do it without you can try and see if there is flocculation happening or not you see that very fast 2 weeks at 40 °C should give a hint if it is a problem or not.

[gordof]

actually, I am not sure if there is a polymerization grade that is powder form for APG. Normally they are liquids with a higher viscosity. 

The best way to target this issue (in my opinion) is to ask your suppliers for the Tensides you they will give you all information about what is possible and what is not. 

[gordof]

hi there 

well, I don’t see a direct incompatibility but sometimes EDTA makes Funny complexion Reactions and I am not Shure about CBD and EDTA. YOu should at least homogenize after adding the “active Phase” due to the fact that you have a lot of oil components there you need to make some small droplets out of them. 

Although I want to share the information that methyl Salicylate will (at least in Europe) no longer be allowed in Cosmetic Products in concentrations above 0,05999 % (in creams) and you can not sell them in Europe with the start of 2023. so if you developing for European market be aware of that. 

Maybe someone can give more idears

[gordof]

hi there 

Most suppliers will deliver their surfactants as Powders as well as in liquid form. (as long as the chemical form is Powder and not liquid:)) 

you just need to ask them for that. mostly it’s because Powder surfactants are very Agresssiv especially if you inhale them. 

Home | http://Www.stepan.com for example have a variety of surfactants that are sulfate-free I would guess you can get most of them in powder form

most of the other suppliers have them as well so if you already know which one you want to use just ask them. 

[gordof]

What your co Worker is telling you is in my perspective one possibility.

We normally do an “In use Stability” next to the “nonuse stability” to clarify if there are any problems. Especially for Pumps and Sprays, it would be Recomadabel to do it.

They can have problems with blockage, thickening over time and I even had the problem that the pump did not work anymore if the Product was in the wrong position (upside down) for more than 10 days because the Product did interact with the mechanism. 

it is an additional test that can give you further intel. not so much about product stability itself but for interactions and usability of the Product and the Packaging over time and use live cycle so to say. 

[gordof]

well, it depends I guess if you use some conservation in your Formulation then I would say normally it should not be a Problem to use Destilated water from the supermarket if you check that the conservation is sufficient. 

If you don’t use any Conservation it is in my opinion not adviasable. I would at least cook it and then I would not use the Mixture for very long. Most ingredients have a small Concentration of microorganisms especially if you use plant-based materials or anything. Maximum 2 to 3 days in the Refrigerator, not much more because there is a risk of bacteria development. 

hope that helps

[gordof]

you can although add some additives as Some Cellulose Types which helps with the transfer of the Waxes to the skin. Etocell is one I personally used. 

[gordof]

Dear Brett 

Due to the fact that I am not the greatest expert for hair pomade, I can just give you my ideas. 

First, I am not sure about the high amount of bentonite / Kaolin clay isn’t that very Mattifying and very Powdery in the end. (can explain the Structure that is building up on the hand it binds properly a lot of the wax/oils and gets loos after heating it with Rubbing. I would either reduce it if you want the mattifying effect for the pomade.  

I think I would add some Cetearyl alcohol to the Water Phase maybe 3 -5 % it will Stabelise the Texture of the formulation and helps with “emulsifying” 

Although I think the amount of bee wax with 12 % is very high. not sure if you used so much to get the stability due to the Building wax crystal system I guess you can reduce it to around 5- 7 % if you add the Cetearyl Alcohol instead which has a better touch on the hands and the hair as well. 

Emulsifying waxes that are a little more natural Maybe something like Sorbitan Olivate has better emulsification but of course, will properly not give the same stiffness to the Product.

As I said not a real expert for that kind of Product just my thinkings from looking at the formulation.  Maybe there is someone that has a little more experience in that field that can give other tips for that problem

Tobias

[gordof]

could you give hint where are you located? if you are in the US you Propoply want a test institute and Prices from there 

[gordof]

hi  khizra 

I guess it depends on the selling regen but for example, in Europe, you could add stuff like Rose Wax or Jasmin Wax (and so on) to your Formulations. They don’t have to be mentioned as Perfum but have the nice odor of roses or Jasmin. of course that scent is not as stable as a perfume would be but it could be a nice alternative. you can although switch out oils to some that seem nicer like nut oil or a Plumkern oil which has a nice odor. 
but you need to be sure than about antioxidation agent that it will not get ransom over time

hope that is a good addition to Perry’s suggestions. 

Tobias 

[gordof]

hmm, 5 % is a lot of Perfume for an air Freshener. Normally I would say you use around 1 -3 % max. 

To increase the Scent distribution within the air the Particle Size of the spray is very important if they are too big they will sink to the floor very fast without noticing a pleasant scent in the air. So maybe you can adapt the Spray head to a smaller Particle size. you although should think about an Aerosol Can with Propan Butan as Propellant. The Distribution to the air will be much better and therefore more efficient than with a non Aerosol Spray. 

If you use a non Aerosol Spray you can although increase the amount of Alcohol so that the scent will be Vaporized together with the Alcohol. of course, you need to be careful about Flammability but I would say 15 to 20 % should be Possible without that being an issue and it will increase scent efficacy a lot.  (maybe you can than reduce Tween although a little and still get a clear solution)

hope that helps

Tobias

[gordof]

well, i would say a W/O emulsion is a good possibility to get the occlusive of oil and although get the urea in the WAter Phase solubilized. 

it will not be the Easiest of Formulations to stabilize but it is possible i would say

[gordof]

due to the fact that it is rather insoluble in oil, I don’t think you can manage it without adding alcohol or water to the formulation.

you can do it with Glycerol the solubility is very equal to water 500g /L but it would mean that you add like 20 % Glycerin to your formulation with all the problems that brings. and I am not very sure that it will stay solubilized in that kind of Formulation. 

Does someone have another idea? 

Tobias 

[gordof]

it depends strongly on the centrifuge you are having in your laboratory 

the force in bigger ones is higher than in smaller ones. although the angel is important for the force on the sample. 

I would normally use 4000rpm for 15 to 20 minutes depending on the Formulation for creams and 2000 for Tenside Systems

I would do it at Room Temperature. 

Centrifuge Stability is just a hint for Storage stability the Interpretation of what is stable in Storage should not only come from the centrifuge test. 

hope that helps a littel. 

Tobias

[gordof]

hi There 

Yes, we do although Research and Development for our customers. 

If you want to get in Contact more Concertly you can Write me an Email. 

Tobias.recher@frike-group.com

You can although go on our Hompage and see what we can deliver and if it is interesting for you. 

FRIKE COSMETIC: FRIKE GROUP // contract manufacturing Switzerland (frike-group.com)

Tobias 

[gordof]

hi there 

fist of all what kind of Stirrer are you using to make to product for Shampoos and shower gels if they are very thick and the entrapped air is not separation on its own after a few hours and when you can not use a vacuum to get rid of it you need to use a viscojet stirrer . The surface of the product should only move but not be broken so that no or at least less air is incorporated.

If you can not use one of these then there is only the possibility to slow down steering so that you don’t entrap air if you stir by hand you properly will always have at least some air inside. 

if you have a centrifuge you can separate the air for analytical purposes and density measurements there. 

The easiest way is to reduce the Yield point of your formulation so that the entrapped air can separate over time but that can cause instabilities that need to be considert.

i hope that helps 

Tobias 

[gordof]

Could you clarify where you are located in the world?

the company I am currently working for does natural cosmetic contract manufacturing. We are located in Switzerland delivering worldwide but if you have smaller quantities it is probably not very good to send the product for example from Switzerland to USA or Canada (price efficacy) 

we for example start with smaller customers around 1000 to 5000 units. 

Tobias 

[gordof]

hi There 

If you want to improve the Rinse of you could add an emulsifier that is capable of building instant milk emulsions if water is added. For example, you can use 1 or 2 % of Glyceryl Citrate/Lactate/Linoleate/Oleate, Polyglyceryl-4
Cocoate, Polyglyceryl-3 Caprate, Glyceryl Caprylate (Imwitor Light mulse). The Product is very mild and does not stress the skin the wash of feeling is very nice and the milk effect is like building a cream at the end so for the customer it looks very skin-friendly as well.

I tried it although in a wash-off mask for acne and it worked very well there.

Tobias 

[gordof]

hi
10 % ethanol will not make your product flammable.

I think it takes around 40 % to be flammable but that depends a little on the region you want to sell it and the regulations they have there but with 10 % you should be fine in that regard.

[gordof]

hi 

The described PEG should normally work quite well with that essential oil Combinations. 

The first question would be how much solubilizer did you trie of the ones you have used already? 

Concentration is a big part of solubilization. I would estimate around 1 - 4 % of Solubilizer depending on the Essential oil Combination.

Second, how did you incorporate the Essential oils in the Product? just added all ingredients and Stierd or did you follow another path. 

For Solubilisation, it is very important sometimes to pre-solubilize the Essential oil within the Solubilizer without any water and then add it to the rest of the Formulation. 

hope that helps a little if you can give some more information about the used levels of the solubilizer and how you incorporated it in the Formulation that can give some more hint and help. 

Tobias 

[gordof]

hi there 
I think your idea to reduce some of the water-loving Components to not over-push the water and force it out of the gel could be a good try. 

normally 2 % hyaluronic acid should be not problematic but maybe the combination makes it too much for the system. 

if you maybe reduce the Xantangum and some of the glycerin as well as the propanediol and at some more water maybe it solves the issue. 

Would love to hear if you could solve it 

Tobias 

[gordof]

Depending on the amount of oil in the oil phase you can stabilize only with beeswax and Cetearyl Alcohol and stearic acid. But the Productions steps are very important. 

You need to heat oil and Water to 75 - 80 °C. Add the Cetearylalcohol to the Water Phase and let it melt. Homogenize for 2 to 3 minutes without oil just with the Cetearyl alcohol. Afterwards, do the Emulsification step adding oil to water Slowly. under homogenisation and then homogenize (dose not look stable at that point). 

cool down to 40 °C under slight homogenisation and steering and Homogenaze another 3 to 5 min due to the fact that Cetearyl alcohol will recrystallize as well as the Waxes and they need to be very fine dispersed in the system. 

Cool down under stirring until the product is at 25-20 °C (maybe you need to homogenize a little to get an even creme depending on the waxes and the melting points.

I developed 2 Products that way but it would be easier as the others wrote if you just use some alkali for the stearic acid that would boost the stability of the system quite a lot. 

Tobias 

[gordof]

Hi Stanley 

For ZnO and SPF, it is somehow tricky it depends a lot on the Grade of ZnO you are using for the formulation what kind of Spf you really get as well as on the Formulation and the distribution habits for the ZnO. 

but there are some helpers out there you can Register for example on the https://www.sunscreen-optimizer.com/

there you can find ZnO as an ingredient and you can add different amounts of it and see how the estimated SPF value will be. 

the results are quite good but due to the fact that especially with a mineral Sunscreen filter the distribution on the skin is a major factor for SPF, and that is influenced by your formulation a lot, you will need to try it in a test 

there is a regulatory maximum you are allowed to use (at least in Europe) that is 25 % the estimated SPF for a cream with 25 % ZnO would be around 15 -16. 

I hope that answers your questions and helps you.

Tobias

[gordof]

Hi there 

the solubility of Methylparaben is 0.25g in 100 g 25°C  Water for hot (80°C) water it is 2g / 100g 

Normally the Concentration is lower than 0.25% in a normal Product so you properly can dissolve it in cold water as well but if that takes too long of course you can heat it up. 

Although a possibility is to put it in propyleneglycol the solubility is around 22g/100g but normally in a formulation, you don’t have that much of propyleneglycol 

hope that helps you with your work 

Tobias 

[gordof]

Hi There 

If there is already some Water in the Formulation which I expect you don’t need to dissolve the Product if the Concentration of acid is not too high you can just use it directly. For pH 4 there is normally no problem 

Just be sure that you calibrated the pH meter before you use at least once a week 

For Creams, it’s the same.

hope that helps you 

Tobias