Forum Replies Created

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  • OldPerry

    Professional Chemist / Formulator
    August 18, 2014 at 10:54 am in reply to: Caviar Extract

    Perhaps you could find a supplier here.

  • OldPerry

    Professional Chemist / Formulator
    August 15, 2014 at 10:03 am in reply to: Is the forum working?

    Hello Bob - 

    The forum was down for a few days.  We were experiencing a DDOS attack on the web server.  It looks like we’ve got it fixed though so things should be back and running as normal.  Let me know if you are having any problems.
    Regards
    Perry, 44
  • OldPerry

    Professional Chemist / Formulator
    July 31, 2014 at 10:50 am in reply to: Unpreserved Hydrosol

    Yes you need to preserve it.  If your supplier hasn’t preserved it then it is most likely contaminated.

  • OldPerry

    Professional Chemist / Formulator
    July 31, 2014 at 10:36 am in reply to: manufacturing phytoceramides

    A cook can know a lot about making omelets without knowing how to raise chickens.

    Most of the people here are formulators not synthesis chemists.
  • OldPerry

    Professional Chemist / Formulator
    July 31, 2014 at 10:33 am in reply to: Detangler

    I guess the point is you have to go through just as much chemical synthesis to create Behentrimonium Methosulfate as you do to create Cetrimonium Chloride

  • OldPerry

    Professional Chemist / Formulator
    July 30, 2014 at 11:16 pm in reply to: Is there a market for a small contract manufacturer based in china?

    Well if you can compete on price (after shipping) and quality then there would be a market.

  • OldPerry

    Professional Chemist / Formulator
    July 30, 2014 at 11:14 pm in reply to: Detangler

    Natural and you’re using Behentrimonium Methosulfate?  What plant does that come from?

    Hydrolyzed proteins work as humectants but they don’t have much effect for detangling.  
    Maybe you could use 
    It should work the same as Cetrimonium Chloride.
  • OldPerry

    Professional Chemist / Formulator
    July 30, 2014 at 11:11 pm in reply to: Shampoo collapse after adding essential oil

    I don’t think it reacts with essential oils (there’s not much to react) but the oil will certainly interfere with the way the micelles form.  Betaine does not work as well as a primary surfactant but it works well as a secondary surfactant.  I’m not sure replacing an anionic (sodium cocoyl glutamate) with an amphoteric (cocamidopropylbetaine) will work.  Look for another anionic.  

    You could also increase the level of surfactant to compensate for the additional oil.
  • OldPerry

    Professional Chemist / Formulator
    July 30, 2014 at 3:53 pm in reply to: New cosmetic ingredient

    I’d have to agree with @bobzchemist - I don’t think the cosmetic industry needs another emollient.

  • OldPerry

    Professional Chemist / Formulator
    July 29, 2014 at 10:12 am in reply to: New cosmetic ingredient

    What kind of suggestions are you looking for?  You want us to tell you what natural alcohol and acid to use?  Have you researched the current marketplace to see what is already available?

  • OldPerry

    Professional Chemist / Formulator
    July 24, 2014 at 3:37 pm in reply to: Clear Shampoo using Oils

    Because HLB does not take into account the effect of charge on the formation of micelles.  When a surfactant has a positively charged head group that is going to affect the size, shape, and distribution of the micelles.  There have been some attempts to adapt HLB to charged surfactants but it has proven too complicated.  When using HLB stick with nonionics.

  • OldPerry

    Professional Chemist / Formulator
    July 24, 2014 at 2:09 pm in reply to: Fragrance solubilizers

    Oleth-40 worked for me too.

  • OldPerry

    Professional Chemist / Formulator
    July 22, 2014 at 10:20 am in reply to: Advice Needed!

    You can start by reading this free report.  http://startacosmeticline.com

  • OldPerry

    Professional Chemist / Formulator
    July 21, 2014 at 10:16 am in reply to: Clear Shampoo using Oils

    HLB is not really an effective tool to use with charged (anionic) surfactants.  It’s really only for nonionic surfactants.

  • OldPerry

    Professional Chemist / Formulator
    July 16, 2014 at 11:38 am in reply to: Fragrancing Surfactant Based Systems

    Well, that depends on the composition of the fragrance.  Alcohol in the fragrance won’t really matter it should be compatible with most things.  But there could be some oils in the fragrance that are not compatible with the surfactants and could cause the formula to become cloudy.

    The fragrance could definitely affect the stability of the formula though.  It could oxidize and make things turn yellow or make them smell bad.  It is really specific to the combination of chemicals rather than any general rule.
  • OldPerry

    Professional Chemist / Formulator
    July 9, 2014 at 1:25 pm in reply to: .

     do a Google search for distributors of those ingredients.  Typically, a distributor will sell to a smaller company.  There is no business license to have per se.  At least in the US you could be a sole proprietorship and don’t need much else.  Of course, I would recommend starting an LLC business for anyone who wants to make cosmetics or even as a consultant.

  • OldPerry

    Professional Chemist / Formulator
    July 8, 2014 at 4:34 pm in reply to: Slow darkening in a phospholipid emulsion

    You’d better check your preservative system too.  That doesn’t sound robust enough.

  • OldPerry

    Professional Chemist / Formulator
    July 8, 2014 at 10:27 am in reply to: Emulsion Stability Question

    Yeah, that could still be condensation.

  • OldPerry

    Professional Chemist / Formulator
    July 8, 2014 at 10:27 am in reply to: Clear Body Wash - Coco Glucoside

    Hello - It would help if you tell us all the other ingredients in your formula.  Also, what do you consider “natural ingredients”?  Some people consider Petroleum natural since it is taken from the ground.

  • OldPerry

    Professional Chemist / Formulator
    July 8, 2014 at 10:25 am in reply to: Question about Fashion Industry and it’s possible influence in our work

    I agree it’s a good idea to keep an eye on the fashion industry.  One of the main reasons is that your marketing people are doing it so you will look more impressive that you know something about it.  I’m not sure how much fashion impacts actual formulations except maybe the feature ingredients that you decide to add.

  • OldPerry

    Professional Chemist / Formulator
    July 7, 2014 at 6:09 pm in reply to: P & G really likes to preserve their products

    @The_Microbiologist - I doubt they would save enough money by using a lower level of preservatives.  Preservatives just do not add that much cost to the formulation.  At my former company if we removed all preservatives from all our hair products it would unlikely have saved more than $200,000 a year.  

  • OldPerry

    Professional Chemist / Formulator
    July 7, 2014 at 6:07 pm in reply to: P & G really likes to preserve their products

    I agree with Bob.  Most likely those are just residual preservatives in their extracts & proteins.  They probably have a new regulatory person who makes them list every possible ingredient.

  • OldPerry

    Professional Chemist / Formulator
    July 2, 2014 at 8:36 pm in reply to: Emulsion Stability Question

    Yes, that could be water condensation.  Did you do a Freeze/Thaw test?  This involves freezing a sample 24hrs, thawing for 24 hrs, heating for 24 hrs, then letting equilibrate to RT and taking pH/viscosity readings.  If it doesn’t separate through 2 or 3 of these cycles it’s probably just condensation.

  • OldPerry

    Professional Chemist / Formulator
    July 2, 2014 at 3:24 pm in reply to: Which ingredient is for 5 minute Hair Color

    It helps if you give more information about your formula.  At the very least a list of ingredients.  

  • OldPerry

    Professional Chemist / Formulator
    July 2, 2014 at 11:16 am in reply to: Recent L’Oreal Micro Failure? (WARNING - Link Contains Bad Language)

    I read through that thread.  Interesting that it was a big company like L’Oreal.

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