-
ingredients
-
Now I read your comments & I totally agree @Doreen I certainly wasn’t trying to offend you! You know what because there are no emphasis or tone when your writing things can be taken out of context.?
-
@Dr Catherine Pratt @Doreen I don’t know if u girls are experienced in the color makeup but I just posted on color and makeup four of them because I’m having trouble understanding why this batch turned red on the edges. I always make batches I haven’t changed anything, so I don’t know and I need some help so hopefully you guys can tell me what that is
-
Have you put in EDTA in there?
-
@Mynkcosmo
I’m sorry, I have no experience with make up.
Good luck! -
@Dr
You know what because there are no emphasis or tone when your writing things can be taken out of context.?True. Communication by text alone can cause misunderstandings, especially when the language used isn’t your mother language.
-
Sorry @drcatherinepratt what does EDTA mean?
-
@Mynkcosmo EDTA is an abbreviation and the INCI name for Ethylenediaminetetraacetic acid.
The compound is a chelating agent meaning it captures heavy metal ions in the product. Generally it is added for long term stability or hurdle-technologies for preservation. It can also be deliberately added in higher amounts in for example soaps to counter the calcium and magnesium ions in hard water which leads to soap scum.
-
sorry guys!
-
@Sibech oh got it. So could I use that Ethylenediaminetetraacetic instead of Phenoxyethanol or use both so it can cancel out the iron in the micas? This hasn’t happened to me before so I’m just trying to figure out why now and how I can prevent it in the future.
-
@Sibech I just researched that EDTA. I just want to use very natural products I know thattPhenoxyethanol isn’t natural but I want to use and keep the ingredients at a minimum and keep the ingredient list simple.
-
@Mynkcosmo I don’t think you need EDTA in the pressed powder formulation, but having someone with more experience there chime in would be great.As for the question; EDTA cannot be used instead of phenoxyethanol as phenoxyethanol is a preservative (which kills both bacteria and yeast, but not fungi). EDTA, on the other hand, is added to stabilize products and is used in creams and gels because these systems are most likely to be destabilized over time.When I mentioned hurdle technology it basically refers to making microbial growth so unfavourable in the product, that you practically do not need preservatives, this method is however somewhat unpredictable and should always be ensured (as should all products really) by a preservative challenge test.
As an aside, if you want to keep it natural and “environmentally friendly” EDTA does not have a popular track record.
-
Ooo okay then I have to think about what I want to do then. But thank u so much for explaining that to me. @Sibech
-
@Sibech@Microformulation so how would I know and prevent the iron in the ingredients? I purchased in bulk so what do I have to do if there is iron in the ingredients? Does that mean I have to get rid of all ingredients?
-
@Mynkcosmo Goodness no, it is unlikely that you have to scrap it all of the raw materials are the same and to the same specifications as usual.
Iron oxides are pigments and often used as is or to coat your mica (assumption based on the color would be that you use iron oxides) and not something commonly avoided (unless it is there by accident, in which again chelating agents work a treat).
Maybe the troubleshooting should remain in the other thread? (would make it easier for you and people reading in the future).
-
You can try replacing the water with high percentage ethyl alcohol, which will allow for a quicker drying time.
-
And I can use ethyl alcohol and still sell the product. They are blushes so I want to make sure I can use on skin.
Log in to reply.