OldPerry
Forum Replies Created
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Yes, Germall Plus should be enough for most any system. Use 0.5% and you should be good to go. However, every system is different and microbe are resilient so you should do a preservative efficacy test on the formula to be safe.
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The FDA has a lot to do and few resources with which to do it. Small companies can fly under the radar for some time before they get a letter from the FDA. That will eventually happen but I don’t know how long it will take unless someone complains directly to the FDA.
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Welcome to all the new members of the forum! Please be sure to start discussions if you have questions and add to other discussions if you have something interesting or relevant.
Also, we’ve added a new voting system so if a post is particularly helpful be sure to give it an upvote. -
Glycol Monostearte is a pearling agent. We used it in our SLS / Betaine shampoo formulas at a level of 1% to get the pearlized effect.
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I’m not sure the general public knows what parabens are. There is a small segment of the population who cares and lots of cosmetic marketers seem to but whenever I’ve done an informal poll of people, and I ask what they think of parabens, almost no one knows what they are.
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@Rahma - your request was appropriate. I just categorized it as “Requests / Opportunities” so people reading that thread knows what is being asked.
Hopefully, this forum isn’t too discouraging for you to ask questions and post discussions. -
There is no better test than trying a product. The tests you suggest are interesting but I doubt they will really help anyone. A better test for a consumer is to try a product and see if they like it.
This test could be improved by running a blinded comparison with a standard product versus a test product. However, to properly blind something you would have to prevent yourself from both seeing the product and smelling it.It is not worth testing for antioxidant properties since there is no real benefit to having them in cosmetics except to stabilize formulas. It’s mostly just a marketing gimmick. If you used a product for a week with and without antioxidants you wouldn’t notice a difference. -
But I bet most of them are just marketing gimmicks. People would be hard pressed to tell any difference between a regular shampooing of chlorinated hair and a shampooing using one of these special shampoos.
Sure, we can demonstrate an effect in a lab but in real life, probably not. -
Why can’t you reduce the level of the odor causing extract?
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One other solution would be to reduce the level of Seabuckthorn to 0.05%. Whether you use it at 0.5% or 0.05% will not have any functional difference. Suppliers are going to tell you the maximum level to use because they benefit from you buying and using more so their recommendations should be considered maximums.
In truth extracts have very little measurable effect in a formula. If you make your formula with and without the extract and there isn’t a consumer perceptible difference, there is no reason to add more than even 0.01% in your product. It’s just a claims ingredient and the difference in concentration won’t affect product marketing or sales. -
@microformulation - thanks for letting me know
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By toner I guess you mean a solution? Whether you use a solution or an emulsion depends on the nature of the active. Water soluble ones would be fine in a solution, oil soluble ones would be better from an emulsion.
But the answer also depends on what active ingredient you are talking about and what is the specific benefit you are trying to achieve. -
Yes - we completely hydrated the HEC before adding additional ingredients.
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If you’re curious here is a link to the lawsuit.
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Color cosmetic formulating is one of those areas of cosmetics in which there are not a lot of specialists.
This company may be able to help you. -
Your thinking is correct.
If your powder is 10% of the weight of your formula the density of it doesn’t matter. So in a 1000g batch you would us 100g of your ingredient -
If you are just going for marketing claims you can use 0.01% of any of them.
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Great list Bob!
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I think it can impact the way the product feels while you are working it into the hair and it may help with some processing of the formula but I highly doubt you will notice any impact with or without the glycol in a rinse off product.
I’ve specifically done testing to determine this and could never demonstrate a difference. -
I’ve actually found that HEC goes into solution better in colder than room temperature water. This helped us speed up production.
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Hello - I’d suggest you post this information in the thread we have dedicated to this. It’s more likely to be seen by people who are looking.
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Indeed. They do dominate the search engine results for sunscreen. Hopefully, Google will filter bad information like this out in the future.
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Great point @microfomulation
This is a very complicated project that can’t be answered in a simple post.
To get more information yourself you could conduct a knockout experiment. This will tell you exactly what ingredient is causing the stinging. -
Why wouldn’t the concern be the useless receipts that contain BPA?
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To post pictures…
In the icon bar above where you type in your comment you’ll see a bunch of different icons. ‘B I abc, etc.The 6th icon from the right is a box with a green screen on it. Click on that and put the web address of the picture that you want to upload.Of course just pasting the picture into the comment box might work too.