

PhilGeis
Forum Replies Created
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PhilGeis
MemberApril 7, 2024 at 6:41 am in reply to: Preserving room spray (preservative vs. alcohol)Be aware of the risk. The bacterium in question is endemic to the SE Asia, Japan, Australia - less common in Western hemisphere and was (maybe still is) designated a bacterial warfare agent.
cpsc.gov
Return product to Walmart for destruction and receive a full refund and $20 Walmart Gift Card. Consistent with CDC recommendations, consumers should immediately stop using the recalled aromatherapy room spray, double bag the bottle in clean, clear zip-top resealable bags, … Continue reading
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PhilGeis
MemberApril 6, 2024 at 6:04 am in reply to: Preserving room spray (preservative vs. alcohol)I‘ll add, presuming a short shelf life for any category of product is irresponsible. Hydrosols are not preservatives.
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PhilGeis
MemberApril 6, 2024 at 5:49 am in reply to: Preserving room spray (preservative vs. alcohol)If you’re in US, Saligard is neither legal nor esp. good for your application. Again in the US - regulations limit how much alcohol you can use.
To the “shelf life” - is the supplier stating their product is not chemically stable? Think they’re pulling that stuff out of their butt.
Wrong to add preservatives? This is an aerosol product that folks will inhale. It’s very wrong to risk their health with a poorly preserved product.
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PhilGeis
MemberApril 3, 2024 at 8:14 am in reply to: Accepted range of oil acid and peroxide values used in the cosmeticsacid values? as in pH? What kind of cosmetics?
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Anhydrous oil, why do you need an antimicrobial preservative?
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3.5% IPA is not a preservative
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PhilGeis
MemberMarch 28, 2024 at 7:30 am in reply to: Help me make sense of this: effective and compatible over a pH range of 3 – 8.Hydroxamates are ok versus fungi not Gram negatives
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Trust folks who call it “natural”? Benzyl has some efficacy versus fungi
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Sorbic acid is not that great a preservative for stability considerations.
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PhilGeis
MemberApril 7, 2024 at 4:45 am in reply to: Preserving room spray (preservative vs. alcohol)Perhaps it’s not irresponsible. Assuming one knows the risk, I’d call it cynical marking to support a meaningless claim. I haven’t encountered many of this consequence that actually went to market in my career.
Cynical contrivance to excuse an unpreserved product with an irrelevant metric borrowed from cosmetics. The consumer does not control timing of warehousing, distribution and retail shelf life. I don’t know if labeling cites a date certain or a period, but the scenario offered relies on consumers compliance to toss a product when they 1) don’t expect such caution on products of this category and 2) do not comply even to cosmetics EX dates.
Waving “GMP’s” flag is pretty silly for an unpreserved susceptible household product- it has have limited to no relevance re. its micro contamination.
This is not a seat belt dynamic - where consumers make the affirmative decision of compliance.
Mike - to the technical point - what database established even this brief ex/self life date? Unpreserved products would seem to have no confident expectation of any uncontaminated period. Also, how much of the designated self life period is consumed by consumer gets the product?
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And not aware of a legal version or sorbate for US household products. Legal (EPA registered) benzoate can be obtained from Emerald Kamala (Lanxess).
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They should be with right pH. Added as salts. I prefer just benzoate - sorbic acid stability can be troublesome.
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PhilGeis
MemberApril 6, 2024 at 6:41 am in reply to: Preserving room spray (preservative vs. alcohol)Neither would be legal in US. Add alcohol think the limit is 5%- not enough on its own but it helps. Preserve with Dantogard +- DMDM hydantoin + IPBC - legal in this application. Some add phenoxy with the “solvent” excuse but it’s not thre best if you have freedom to use others.
https://www.azelisamericascase.com/wp-content/uploads/2020/03/Dantogard-Plus-Liquid.-PDS.pdf
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If no water - as in none added and none in ingredients - doubt you need a preservative. You still need to test for content - numbers of microbes.
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Organic acid(s) prob ok for y/m. I’d also add a chelator?
Please challenge test.
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Can’t offer comment to that without context - product, pH, other preservatives.
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PhilGeis
MemberApril 2, 2024 at 1:01 pm in reply to: Shampoo formulation & manufacturing techniquesThe thought for a shampoo. Do not use Kathon in leave on product like hair wax. What is formula - esp how much water
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No water? Nothing in ingredients? Does it take up water in a humid bathroom?
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PhilGeis
MemberApril 2, 2024 at 4:11 am in reply to: Shampoo formulation & manufacturing techniquesSeems reasonable - need to confirm with appropriate testing.
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Don’t think preservation is enough.
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PhilGeis
MemberApril 2, 2024 at 3:43 am in reply to: Shampoo formulation & manufacturing techniquesNo, ketchito is right. Appreciate that parabens are being considered but will not be enough in this context. Suggest addition of formaldehyde releaser like Germall or Glydant or an isothiazolinone like Kathon CG.
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PhilGeis
MemberMarch 30, 2024 at 12:45 pm in reply to: Can someone help me with these PreservativesWould not expect enough
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PhilGeis
MemberMarch 30, 2024 at 7:31 am in reply to: Help me make sense of this: effective and compatible over a pH range of 3 – 8.Phenoxy+EHG should be ok in that range v Gram negatives - do not trust supplier BS
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The latter is much better