ozgirl
Forum Replies Created
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Does it spray well with that much Polyquaternium-7 in it? If not you may want to reduce the PQ-7.
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What is the pH of your moisturizer? Glyceryl stearate SE needs a slightly alkaline to be most effective.
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Stearic Acid is going to be draggy on the hair. Try replacing it with some more SCI.
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Cocamide MEA has some refatting properties so this may be what your testers prefer rather than any difference in silicone deposition.
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Sodium Cocoyl Isethionate is not really the best option for clear liquid systems because it is not very soluble. What you are seeing is probably it cooling and precipitating. It can be stabilised but there are much better options out there.
If you want to stick with isethionates, try using Sodium Lauroyl Methyl Isethionate (Iselux) or try a different surfactant.
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Have you considered BTMS-50. It has a higher percentage (50%) of the cationic and less of the fatty alcohol with some butylene glycol. You can use less to get the same conditioning and because there is less fatty acid it won’t be as thick.
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Is the issue the ethoxylation or the lanolin (animal based)?
I seem to remember seeing a polyglyceryl lanolin ether when I was searching for something else. Not sure if this would meet your needs.
I have also seen glyceryl oleate in some wool washes (e.g. woollykins) which might work as a refatting agent.
Hope this helps 😊
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Happy New Year and Happy Formulating in 2025! 🙂
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They are possibly relying on the Propanediol and Hydroxyacetophenone which is claimed to be a “multifunctional” ingredient (not preservative ) that “guards formulations against biodegradation and spoilage”
I doubt this would be sufficiently preserved. I haven’t used this ingredient but most of these types of multifunctional ingredients have limited application.
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Not sure if this is what you after but this this link gives the list of which denatured formulas can be used in which products (including cosmetic products such as shampoos).
https://www.ecfr.gov/current/title-27/chapter-I/subchapter-A/part-21#part-21
There is also this from the FDA
https://www.fda.gov/cosmetics/cosmetics-labeling-claims/alcohol-free
and this
https://www.cosmeticsinfo.org/ingredient/alcohol-and-alcohol-denat/
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You need to provide more information including what other ingredients are in the product.
I am assuming that if they are going PEG-free that the product is also sulfate-free. Sulfate-free systems are more difficult to thicken than sulfate systems.
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I am not sure what some of your ingredients are since you only give trade names.
You could try adding a builder (sodium citrate is commonly used but other chelants can also be used)
If your market accepts them, an optical brightener would help make white fabrics appear whiter.
You could also try increasing the concentration of your surfactants.
Have a look on UL Prospector or supplier websites for starting formulations to compare with your formulation.
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How big is the batch you are making? Could this be a weighing error from only using very small amounts of dye?
If it is a UV light issue you can also look for PET packaging with UV filters incorporated into the PET.
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Preservatives are often not required for anhydrous blends but honey is not anhydrous and you would be best to leave it out if you are only going to use oils and beeswax. FYI-Sweet almond and Rosehip are carrier oils (or emollients) and not essential oils.
If you add water (or water soluble ingredients) it is necessary to use a preservative. It is also necessary to use preservatives if your product will come into contact with water. The preservative you use will depend on the product type (e.g emulsion, surfactant blend) and pH.
Here is a good review of the common preservatives and their limitations.
https://makingskincare.com/preservatives/
makingskincare.com
PreservativesAll you need to know!Learn how to preserve effectivelyCommon strategies chemists use to pass preservative testsPreservative free?True or false? Previous Next Free, online skincare formulation course from Chemists Corner, Swiftcraftymonkey and Making Skincare.As a first step to making your own … Continue reading
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You could try adding a defoamer/antifoam (silicone based) but it would probably be easier to just find a lower foaming surfactant instead.
If it is for personal use only you could give a small spritz of ethanol to the foam when filling the travel bottle but this is impractical for commercial production
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Is this your product? The ingredients on the label don’t match your ingredients list. Why are the ingredients listed by the the Trade Name on the label?
How was the sample stored? I have seen this sort of separation when samples are stored at elevated temperatures.
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Perhaps something like Ethylhexylglycerin (Sensivia SC) would be a better option than Zinc ricinoleate. It is multifunctional with deodorant and emollient properties.
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The Euperlan Pearlescents require both sufficient viscosity and density to remain stable (Stoke’s Law). It does not look like your formulation would meet these requirements.
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Try decreasing your CAPB as others have suggested and replace with SCI.
I would also caution using that much SLSa as some people are sensitive to it especially at high levels. If it is for personal use then adjust to your preference. Replace with more SCI.
If you are using this in combination with a conditioner bar you could also reduce the oils.
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This previous discussion about this product may be of use.
As may this information about cold creams
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You could try adding an amine oxide surfactant and / or a non-ionic surfactant (e.g. alcohol ethoxylate or alkyl glucoside).
There are lots of dishwashing formualtions on UL prospector that you could use to compare your formulation.
Hope this helps 🙂
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I suggest removing the Euperlan because it will not work in a low viscosity formula. If you want an opaque product look at an acrylate opacifier instead.
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Electrolytes and salts can cause shampoo bars to become soft and mushy. Try your bar without any extracts or salicylic acid.
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Don’t be dissuaded from using synthetic fragrances just because some people prefer essential oils. Synthetic fragrances are safe if used in accordance to the standards set out by IFRA (International Fragrance Association). Essential oils usage is also subject to the same IFRA standards.
If you are trying to target a natural market then your market may prefer essential oils but this is a marketing preference not a safety one.
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Depending on the quality of your fragrance 5% will be too much. Start around 0.5% and increase if needed.
You could decrease the Vitamin E also. More information here https://personalcarescience.com.au/Workshops/cosmeticscienceworkshops-2110/Blog-4192/VitaminEinformulas:antioxidantversusprooxid-7472/
Just start by making small samples 50g or 100g so that you don’t waste too much material.
personalcarescience.com.au
Vitamin E in formulas - antioxidant versus pro-oxidant effect
Vitamin E in formulas - antioxidant versus pro-oxidant effect