Air freshener formulation

FekherFekher Member, Professional Chemist

  Hi all, I want your help for understanding the happened phenomenon and how to solve it , if it is possible:
Perfume : 4 %
Emulgate: 4%
D.Water : Qsp
Preservative
Colorant
 So for many perfume the formulation works good just for one perfume I get something near to floculation of foam , so just for more details when I make agitation this foam is soluble with inferior phase and the inferior phase move from very low transparency to opac then without agitation it returns to two phase, really it is new and strange phenomen for me because it seems like two phase mixcible with agitation not without and also why the superior phase is foam not oil for example I guess experts can help here. 

Comments

  • chemicalmattchemicalmatt Member, Professional Chemist
    Fekher, please instruct us. "Emulgate" is ??  Also, should your product spray or be sedentary to diffuse into room?
  • FekherFekher Member, Professional Chemist
    edited December 2020
    Thanks @chemicalmatt actually the trade name is emulgate EL 65 supposed to be effective solubilizer (I made some reaserchment on the net about it and I did not any information about it ) and the product is spray.
  • @Fekher I have worked on an Air Freshener using PEG-40 Hydrogenated Castor Oil as solubilizer. To solubilize a fragrance, the ratio of fragrance to solubilizer atleast be 1:4, if you are solubilizing an essential oil, then you would need even more solubilizer. Adding more solubilizer to your current formulation would make you air freshener too foamy.
    In my opinion, you need to decrease your fragrance levels and  you can add ethanol to solubilize the fragrance and decrease foam
  • FekherFekher Member, Professional Chemist
    edited December 2020
    @singhc10 thanks for the feedback, so adding alcohol can solve the problem but it increases the cost and even decrease the longevity of perfume for that I gone with no alcoholic product, for solubilizer peg 40  is not the best what I use I guess is better and there is no rule for solubilizer perfume Evry perfume has specific value, so for my solubilizer in some perfume just 1:1 ratio can lead to transperent product so the perfume is totally dissolved. 
  • FekherFekher Member, Professional Chemist
    edited December 2020
    @chemicalmatt searching on the net I find something EMULGANTE EL 65 I guess the supplier made an error in the name so it is a product made from Castor  oil and polyethyleneglycol ether. 
  • kabilboykabilboy Member
    edited October 28
    I don't know bout your air freshener, but I also have a wonderful homemade spray recipe that you will love! You should add about 25 drops of your favorite essential oil to 2 tablespoons of baking soda and stir to combine. Lemon and lavender are excellent choices, but eucalyptus is my favorite because of the refreshing scent. Pour the baking soda and essential oil mix into the water and stir. Then funnel the water into your spray bottle. Seal tightly and give the bottle a good shake to combine ingredients thoroughly. This works wonders, I swear! I use it as a smoke odor eliminator car.
  • MicroformulationMicroformulation Member, Professional Chemist
    kabilboy said:
    I don't know bout your air freshener, but I also have a wonderful homemade spray recipe that you will love! You should add about 25 drops of your favorite essential oil to 2 tablespoons of baking soda and stir to combine. Lemon and lavender are excellent choices, but eucalyptus is my favorite because of the refreshing scent. Pour the baking soda and essential oil mix into the water and stir. Then funnel the water into your spray bottle. Seal tightly and give the bottle a good shake to combine ingredients thoroughly. This works wonders, I swear! I use it as a smoke odor eliminator car.
    That "recipe" needs some technical work before you could even consider it a Formula. There are so many issues.

    markfuller@microformulation.com Microformulation.com Microformulation Cosmetic Consulting provides Custom Formulations for both large Commercial accounts as well as smaller entrepreneurs. We can provide Naturally compliant Formulations under the NSF, NPA, Whole Foods and USDA Organic Certifications. BS.Pharm Albany College of Pharmacy, Union University.
  • singhc10 said:
    @Fekher I have worked on an Air Freshener using PEG-40 Hydrogenated Castor Oil as solubilizer. To solubilize a fragrance, the ratio of fragrance to solubilizer atleast be 1:4, if you are solubilizing an essential oil, then you would need even more solubilizer. Adding more solubilizer to your current formulation would make you air freshener too foamy.
    In my opinion, you need to decrease your fragrance levels and  you can add ethanol to solubilize the fragrance and decrease foam
    @singhc10 This mixtures are abalance between water-alcohol-solubilizer-fragrance. If you use high amount of fragrance (especially heavy ones), you have to either increase the amount of solubilizer (which increases foaming and doesn't let the fragrance bloom), or increase your alcohol level (which allows you to use less solubilizer, helping fragrance to perform when applied). Try with either PEG-40 HCO or/and Polysorbate 20, they are cheap and very effective.
  • Polyglyceryl-10 Caprylate
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