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Preservatives for Kids Mists and Sprays
Hi guys,
I am making a mist for kids linen using Lavender and Chamomile Hydrosols. Which preservatives would you recommend that are aerosol and kid safe? Thanks
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36 Replies
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This risks inhalation - so please use a robust system. Suggest a formaldehyde releaser but please not the clean beauty natural stuff.
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Thank you Dr Geis….so would something like Liquid Germall Plus (INCI Diazolidinyl Urea (and) Iodopropynyl Butylcarbamate (and) Propylene Glycol fit the bill….as is has a couple of other things along for the ride….(safe to breath). ?
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Prefer Glydant+.
and do be prepared to formaldehyde concerns. Exposure is de minimis.
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This is a tough one then because I was hoping not to use one that has formaldehyde.
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ok - describe product - pH.
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It will only have the hydrosols and preservative. Just the hydrosols range from 4.8 to 5.9.
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I use Germall Plus Liquid in all of my otherwise 99.5% natural products and I love it, but I do run into consumer perception issues with the formaldehyde donor.
The Cosmetic Ingredient Review (CIR) Expert Panel evaluated the scientific data and concluded that Diazolidinyl Urea was safe as a cosmetic ingredient up to a maximum concentration of 0.5%. The Cosmetic Ingredient Review Expert Panel has evaluated its safety and found it to be non-irritating to the skin and not phototoxic. Although Diazolidinyl Urea can release formaldehyde, the amount released is well below the recommended exposure limits and is considered safe when using 0.5% Germall Plus. The maximum usage rate of 0.5% Liquid Germall™ Plus results in 0.002% Iodopropynyl Butylcarbamate in finished formulations, which is lower than the 0.02% approved rate.
Even still, consumer perception is hard to overcome. @PhilGeis is there any other scientific data you can point to that supports its safety and might help with consumer perception?
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Thanks Anca. I wish I could offer something that informed consumers regarding the risks they assume with the BS clean and natural preservation - or the total BS of the cynical preservative free. But I do not.
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@PhilGeis I have been researching Germall Plus Liquid, focusing primarily on its safety to humans. I just now shifted my attention to its potential environmental impact, specifically its ecotoxicity. Upon reviewing the Safety Data Sheet (SDS), I noticed that this preservative might pose a risk to aquatic life, affecting fish and algae at certain concentrations. While some toxicity levels at a 0.5% concentration of Germall Plus Liquid fall within acceptable limits, others exceed them. I would appreciate any insights or thoughts on this matter, specifically how you would rate the ecotoxity of Germall Plus as a whole rather than by individual components?
Also, what do you like about Glydant + compared to Germall Plus?
Thank you!
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@Perry44 Hi Perry, any suggestions on this? Thanks
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I don’t have better advice than what @PhilGeis has suggested. He is an industry expert in preservation & his advice is most reliable on the topic of anyone on this forum.
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For kid’s linen mists using Lavender and Chamomile Hydrosols, I would be looking at an approach without the use of preservatives. We have done it, and the products sold well globally.
I should add that they complied with various global compliance requirements. We manufactured in a GMP Certified production facility with two in-house labs, a microbial lab and a physical chem lab.
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Wrong Mike. Whatever sells, inhalation exposure and children is a greater than normal risk scenario.
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What you say is correct, inhalation does expose children to risk because of their higher body-surface ratio.
But remember, we were manufacturing in a GMP-certified facility that was regularly audited by government authorities. And exporting globally, so the product had to be assessed/passed by various cosmetic compliance regimes including those in the EU, Japan and the USA.
So, we were comfortable with the product safety.
Are you suggesting our product was unsafe? Can you suggest what more we could have done?
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To your point - what NOEL’s were you assuming re chemical safety?
Inhalation of contamination was my concern - and all the GMP and government BS in the world will ensure quality of a preservative free product either as made under nonsterile conditions or in use.
Yes - unsafe is exactly my comment.
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Sorry, despite my many years in skincare manufacturing and compliance work I am unfamiliar with the acronym “NOEL”. Makes me look like a fool I guess, but a more professional approach adopted by us scientists is that all acronyms are fully detailed once in any communication.
And you are entitled to your opinion re the safety of our product. The global compliance authorities differ.
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I’d not delegate safety, esp. micro safety, responsibility to government bureaucrats.
NOEL no observed effect level - based on testing or modeling the level showing no toxic effect - in practice one works with ingredient levels establishing a safety factor (1/100-1000x) .
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Is it possible? How long can hydrosol last without preservatives?
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I am noticing all on the market use sodium benzoate and potassium sorbate.
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We had a use-by date of 12 months from memory. And very important was the container design to avoid contamination.
As was our practice with all products, a number were retained by our QC Manager and tested regularly in our two on-site labs, a physical chem lab and a microbiology lab. This testing went on for a period that was twice the stipulated shelf life. So with hydrosols 24 months as they had a shelf life of 12 months.
We never had any problems with the hydrosols.
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I did think of this but didn’t want to take any chances with the little ones.
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Agree - and with any consumer.
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Why 12 months.
Recall please cosmetic preservatives are primarily intended to control contamination in use. “We never had a problem”. Testing quality into a product is questionable GMP’s.
But yo the justification - why no preservative? As there is a risk, why do you think it appropriate to offer that risk to consumers - here children?
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After tracking down a contamination issue we had with a product years ago, we narrowed it down to the Hydrosols and their storage after opening the primary container. We solved the issue by dating the Hydrosols upon opening and using them within 56 days (based on microtesting). It solved the issue. At the time we found multiple reports of contamination from this storekeeping of opened Hydrsols.
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Are you using unpreserved Hydrosols?
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We manufacture the hydrosols in house and have the ability to use both preserved and unpreserved.
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Then why not use Sodium Benzoate + Potassium Sorbate?
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I wasn’t sure if they were kid, possible inhalation and aerosol safe hence why posing the question to the group.
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What’s pH?
For safety I’d look at CIR
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SDS addresses the raw material, not in application. Beyond the product, the combination is irrelevant. Down the drain fate is a function of the individual chemical and sanitary sewers/sewage treatment. Sorry, I no longer have relevant environmental safety data. Can only say it met the envir. safety standards.
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Thanks a bunch Phil
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phenethyl alcohol, an organic acid and propanediol?? also the PEA will go well with your scents
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If using an alcohol - suggest phenoxyethyl rather than phenylethyl. Need to know pH before trying organic acid.
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PH is 5.5 - 6
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Prob too high for organic acids.
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