ozgirl

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ozgirl
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  • Grapeseed oil has a short shelf life and would definitely need an antioxidant. Any product you are going to sell should be preserved. If you let us know which preservatives you have allergies to you this will help make suggestions.
  • We do a basic UV stability test by putting the sample on the window sill. If your product contains a dye this is important because many dyes are not UV stable.
  • Some essential oils can last for the shelf life you are describing but it will depend on your specific formula and the essential oils you choose. Unfortunately you are at the point where you will just have to make some batches with your preferred…
  • In Australia, The Ethanol used for perfumery is PGF4 grade and is denatured with 0.25% Tertiary Butyl Alcohol. Hope this helps.
  • SLMI is reasonably easy to use. It is often formulated with Taurate surfactants (e.g. Sodium Methyl Cocoyl Taurate) and Cocamidopropyl betaine. Innospec sells a blend of these surfactants (Iselux Ultra Mild) but I found it was cheaper to create my o…
  • I had a quick look into PLA type plastics (on behalf of our marketing team) and couldn't find one that had more than a 2 year shelf life for the container itself. So unless we wanted to buy containers in small batches and only have a one year shelf …
  • The CDEA contains free diethanolamine (usually 4- 8%) so if you add extra LABSA you are actually neutralising this free DEA to give the DEA salt of LABSA. This is an acceptable way of achieving your final pH. You could also just try reducing the…
  • I played around with lemon scented tea tree essential oil as a potential fragrance in a couple of cleaning products but abandoned this when I found out that it is difficult to guarantee a constant supply. Apparently it is only harvested once a year.…
  • This product is probably incorrectly labelled and if you have measured the pH at 5.5 then it does not contain potassium cocoate. My guess is that they started out with a product with those ingredients and a much higher pH and then changed the fo…
  • What temperature are you storing the product at. The melting point of PEG-40 Hydrogenated Castor Oil is around 30 C.
  • Glucosides are known to be sticky. I would recommend reducing your overall level of surfactants and see if that helps.
    in Sticky Comment by ozgirl March 14
  • @cossci21 Alcoholic hand sanitisers contain about 60% ethanol and are definitely flammable. Here is a link to one of Australia's most popular alcoholic hand sanitisers that you can clearly see the dangerous goods flammable label on the back. …
  • This is an anionic emulsifier and will not be compatible with the cationic raw materials used in conditioners.
    in CRODEX A Comment by ozgirl March 11
  • The GHS regulations allow for the flash point to be calculated and if the calculated flash point is more than 5 C away from the flash point limits it needs not be determined experimentally. This might be a good start to work out if your product is l…
  • Check your local regulations because phenoxyethanol is generally limited to a maximum of 1% for cosmetics in most regions of the world.
  • I haven't used the Polyox resins for cosmetic purposes but have used them in an industrial product. For this it was recommended to make a slurry of the Polyox resin in isopropanol and then add water to the slurry. This method worked well. Acco…
  • You are not using Ritamulse because you have your raw materials for this blend in different phases. Are you trying to recreate this emulsifier? The ratio of glyceryl stearate, cetearyl alcohol and sodium stearoyl lactylate in the Ritamulse SCG…
  • Olivem 300 (Olive Oil PEG-7 Esters) is also recommended for bath oils and cleansing oils and helps to boost rinse off. I haven't tried it but it might be worth investigating.
  • Benzalkonium Chloride is not compatible with SLES or any other anionics. You will need to find a different preservative if you want to use SLES.
  • Have you tried thickening the Potassium Cocoate without adding the CMEA to determine how much salt it takes to thicken. Maybe try looking for information on thickening liquid soap because that is essentially what you are trying to do. What is t…
  • Have you considered the POLYOX Water Soluble Resins from Dow. Unfortunately I have only  trialled them in non cosmetic applications so I can't really help with which ones might be suitable but your Dow rep should be able to help.
  • My guess would be that you have tried to add too much extra and don't have enough solid surfactants. Try taking out or reducing the stearic acid, cetyl alcohol, shea butter and coconut oil and replacing these with more of your solid surfactants …
  • I would be asking for the marketing team to provide a brand name for the product they are referring to. CeraVe has ceramides in their micellar water but it is a clear product so I don't think that the ceramides would create a pearl effect.
  • I recently saw a review (on the Making Skincare Facebook group) of the Dynamix blender for use making cosmetic emulsions. It is technically a hospitality emulsifier but should do the job and is a lot cheaper than the equivalent laboratory emulsifier…
  • @CazP How old is your Geogard ECT? It sounds as though the Benzyl Alcohol has oxidised to benzaldehyde which gives it the almond odour. 
  • Unfortunately I don't know any websites in Europe (I am in Australia) but others may be able to help. You could ask for maintenance logs but they may not be available. It is the same risk as buying a used car. It is cheaper but you don't alway…
  • Also look for second hand equipment that is often sold off when factories close. If you let us know your location perhaps someone can give better suggestions.
  • Sodium Lauroyl Methyl Isethionate (Iselux) can be thickened with salt but you need co-surfactants to achieve this. It doesn't work for SCI Here is some information https://www.in-cosmetics.com/RXUK/RXUK_InCosmetics/2014-website/Documents/Innos…
  • I would assume that you would want a body "milk" to have a low viscosity. Fragrance can have a big impact on viscosity. Are you using the same fragrance as the sample with the higher viscosity?
  • I would recommend subscribing to Swiftcraftmonkey's blog (http://swiftcraftymonkey.blog/blog) as she has lots of formulas for emulsified sugar scrubs with different emulsifiers. Generally I think most oil in water emulsifiers can be used in these pr…