

PhilGeis
Forum Replies Created
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If the peptides are actually synthesized by the plant - https://pubmed.ncbi.nlm.nih.gov/23252967/.
Why are you using it if it causes such angst?
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Wet wipes have no rinsing step like shampoos - so are leave on.
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For antimicrobial efficacy in wash?
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Think phenoxy is not needed with DMDM Hydantoin and Parabens - the classic combination is a formaldehyde releaser and parabens but add EDTA.,
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MIT as supplied with CMIT at total ~5ppm in rinse off products is safe in use and continues to be primary in that context.
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Any observation for 40C? 50C is pretty high.
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PhilGeis
MemberOctober 2, 2021 at 5:48 pm in reply to: Which one stronger? Phenoxyethanol+glyceryl Caprylate or sorbitan Caprylate?Doubt it pharma - lauric might but the longer chain fatty acids do not and would more likely undergo beta oxidation as substrate for the pseudomonads.
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PhilGeis
MemberOctober 2, 2021 at 1:31 pm in reply to: Which one stronger? Phenoxyethanol+glyceryl Caprylate or sorbitan Caprylate?Don’t waste your money on either - supplier marketing hype. Efficacy would be phenoxyethanol.
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PhilGeis
MemberOctober 2, 2021 at 10:19 am in reply to: Which one stronger? Phenoxyethanol+glyceryl Caprylate or sorbitan Caprylate?Both are wrong.
Where effective Phenoxyethanol is usually fine at 5000 ppm and the other two are pretty useless in any application. Pseudomonads have plenty of esterases. -
PhilGeis
MemberOctober 1, 2021 at 2:45 pm in reply to: Can a TFM of 70%-80% be achieved in a melt and pour soapAre you in US?
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PhilGeis
MemberOctober 1, 2021 at 12:37 pm in reply to: Can a TFM of 70%-80% be achieved in a melt and pour soapNo control over making (quality?) of your base soap? What is source of base?
With above, not only does “Premium” seems unsupportable - but how do you ensure the safety of your product? -
PhilGeis
MemberOctober 1, 2021 at 10:04 am in reply to: What is a basic question about beauty products you want to know the answer to?Geogard 221 is not natural and as you found is not that great of a preservative system in any context. The best preservative systems is prob. a formaldehyde releaser, parabens and EDTA.
Natural in the literal sense - there is nothing to recommend.
“Natural” in the COSMOS/Ecocert marketing sense - you formula dependent. -
Methyl - 0.2%.
In theory, Gram negatives are the risk for shampoos so DMDM Hydantoin alone with EDTA would seem to be enough. In practice, combination with another increases protection vs. Gram negative adaptation and is a much better system. -
PhilGeis
MemberOctober 1, 2021 at 9:45 am in reply to: Would this toothpaste require a preservative?Your formulating with another company’s product, apparently a drug product.
Don’t think you listed those ingredients.
Are you planning to sell this? -
PhilGeis
MemberSeptember 28, 2021 at 7:17 pm in reply to: DMDM hydantoin upper limit. 0.6% pure preservative or liquid with is 0.33% preservative?No - that’s way too much
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Dump it. Please use GMP
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PhilGeis
MemberSeptember 28, 2021 at 1:17 pm in reply to: Is DMDM hydantoin safe for baby products?With benzoate
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PhilGeis
MemberSeptember 27, 2021 at 8:29 pm in reply to: Milk in bar soap: doesn’t it get denatured AND what’s the point of it?Yes - colonies in monsavon soap - think Kurtia
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PhilGeis
MemberSeptember 27, 2021 at 4:35 pm in reply to: DMDM hydantoin upper limit. 0.6% pure preservative or liquid with is 0.33% preservative?That is upper limit — start with 2000-2500 ppm active
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PhilGeis
MemberSeptember 27, 2021 at 4:32 pm in reply to: Self-preserving claims of Pine Extvolat/Pineaqua productThey prefer anhydrous but suggest at least 60%, offer no data - then formulas with 35% (shampoo) no data and and weasel words. It’s an undescribed hydrosol that prob has the usual components pinenes terpineols etc. at whatever levels.
look like niche marketing without much substance -
Pseudomonas typically in consumer tap water and consumers lack of care will risk contamination. Decide where your ethics take you.
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PhilGeis
MemberSeptember 27, 2021 at 4:11 pm in reply to: Milk in bar soap: doesn’t it get denatured AND what’s the point of it?Milk in bar soap will increase micro contamination risk
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PhilGeis
MemberSeptember 21, 2021 at 6:27 pm in reply to: Can I not use any preservatives in a toothpaste formulation?4 months? If selling - how will you ensure consumers will not use any products older than 4 months?
Where did you get that info re cardamom ? -
PhilGeis
MemberSeptember 21, 2021 at 10:43 am in reply to: Can I not use any preservatives in a toothpaste formulation?Some toothpaste products do not include preservatives. Combination of pH, water activity, pyrophosphates, flavor (esp. peppermint) may be effective. Risk is largely manufacturing as tube packaging substantially reduces risk of consumer contamination.
Sodium lactate is not a preservative.
Preservation is your responsibility. -
How well controlled/specified are your relevant ingredients?