

DRBOB@VERDIENT.BIZ
Forum Replies Created
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are there any other test u recommend me to doadd?thank you very much in advance-What tests have you completed?
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DRBOB@VERDIENT.BIZ
MemberJuly 26, 2017 at 10:08 pm in reply to: Lactic acid & salicylic acid for warts and verrucasI would go with glycolic and SA for keratolytic effect so I agree.
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DRBOB@VERDIENT.BIZ
MemberJuly 26, 2017 at 9:25 pm in reply to: Solubilizing a fragrance into dimethicone hair serumBest bet is submit the base to perfumer and give him/her an in-use guidance concept with a cost per hundred weight of product based on fragrance you need.This way levels and cost can be balanced and neither you or they are restrained.
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DRBOB@VERDIENT.BIZ
MemberJuly 26, 2017 at 3:05 pm in reply to: Which product tests should I have done?How could a company possibly attempt to market a product w/o stability testing?? I would certainly do that as cost is minimal—preservation USP 51-400$—-Conduct an o/n patch test for irritation on yourself and colleagues. Once you get going do a formal HP with 50 subjects.
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DRBOB@VERDIENT.BIZ
MemberJuly 26, 2017 at 3:28 am in reply to: Seeking help in choosing natural preservative for glass jar face creamYes best bet is use Geoguard Ultra Gluconolactone and BA which at 1.5 percent will bring ph to 5.let it equilibrate overnight before taking final Ph as it will drop.
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Move ahead bravely
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@Doreen81 I would think it would take a long time to come out with a product based on that technology/patent.
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DRBOB@VERDIENT.BIZ
MemberJuly 25, 2017 at 9:07 pm in reply to: Seeking help in choosing natural preservative for glass jar face creamWhy open all the time? Too much bio-demand from airborne micro-organisms and hand/finger dispensing?I don’t know of any preservative which would work.
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Try 0.75 to 1% Ultrez 30:you should get a gel at 5.5.You can also use with 0.3% xanthan gum to get even thicker gels as low as 5.0-5.5.
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Easiest way is use VE phosphate from Shewo Denko.
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DRBOB@VERDIENT.BIZ
MemberJuly 25, 2017 at 3:10 pm in reply to: Use of Cocamidopropyl Betaine in Leave-In and Styling ProductsYou can use Oleyl Betaine (Lubrizol) for mousse to provide both foam and conditioning or as a regular pour on/rinse conditioner.
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DRBOB@VERDIENT.BIZ
MemberJuly 25, 2017 at 2:44 pm in reply to: Xanthan Gum..Can it be used to increase viscosity of dishwash liquid?You would be better off with a cellulosic like HEC which will give both viscosity and foam stability.
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Makes sense at least in theory as dehydroascorbic acid had been linked to non-oxidative breakdown products of ascorbic acid with eventual result being erythrulose.The latter has been used in conjunction with DHA for tanning.
http://www.jbc.org/content/early/2011/08/31/jbc.M111.245100.full.pdf
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Doreen THe pathways of VC leading to Mallard reaction are poorly understood particularly in skin.Other body organs higher in VC are well defined so concentration is an important factor which is in line with your observations.
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DRBOB@VERDIENT.BIZ
MemberJuly 23, 2017 at 11:20 pm in reply to: Xanthan Gum..Can it be used to increase viscosity of dishwash liquid?You can use xanthan but why in a dishwashing liquid?
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Yes you can use GMS in place of GMO but may not be as good a lubricant.Make sure it is self emulsifying:Zinc stearate will provide softness.
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DRBOB@VERDIENT.BIZ
MemberJuly 23, 2017 at 1:49 pm in reply to: How to prevent Sodium Sulfate Cryslazing in Detergent productanytime your welcome
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1 Butyl Oleate is a lubricant ester emollient which you can replace with iglyceryl mono oleate.
Why use ozokerite wax which will impede spreadability softness and feel on hair provided by zinc stearate ?
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DRBOB@VERDIENT.BIZ
MemberJuly 21, 2017 at 9:05 pm in reply to: How to prevent Sodium Sulfate Cryslazing in Detergent product@Chemist77 A powder detergent-no-just for liquids as you say for viscosity and/solubility.
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You are right Mallard reaction takes place in skin without a catalyst forming advance glycation products (AGEs) causing browning.People with Diabetes and high sugar levels in skin have problem as the latter reacts with protein.One way to reverse it is to use L Carnosine.
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DRBOB@VERDIENT.BIZ
MemberJuly 21, 2017 at 2:19 pm in reply to: How to prevent Sodium Sulfate Cryslazing in Detergent producttry a hydrotrope like SXS (sodium xylene sulfonate).
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- Forgot to mention BA is too high as all you need is 1percent.
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I would do a knockout based on the indoor/outdoor reaction.I don’t see anything obvious!
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The VE acetete is not preventing oxidation so first try 0.2% BHT.But sucrose may be reacting with glutamate (amine portion) causing Mallard reaction and browning just like roasting a turkey and if so you have to delete one or the other sucrose?? Also check RT samples as Mallard reaction does not need a catalyst:however heat accelerates it.
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Agree if you look closely you can see crystals formed.Put it under the scope to be sure.