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Scratchy Lipstick
Hello
I am making lipsticks using a combination of micas and liquid pigments - I’ve had some feedback that the lipstick feels “scratchy”. I just made a test batch where I dispersed the color with isododecane wondering if that will help.
Any suggestions!!
Thank you in advance.
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3 Replies
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1)How are you dispersing your color, or is it pre-dispersed? It takes a great deal of shear/energy to disperse dry color finely enough to keep it from being felt on the lips.
2) Make 2 sticks, one with just your colors and one with just your micas. Which one is more “scratchy”? Mica isn’t usually, but it could be. -
The lipsticks use a combination of predispersed liquid pigments, micas, lakes (just depends on the color I’m trying to make)
I dispersed the Red 40 lake and the Red 7 lake in isododeane. I’ve made a few test batches and they all seem to be smooth.
That is a good idea - one w/the mica and one w/o.
Thanks again!
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If you’re not grinding the lakes fine enough, that could be your problem. Also, most pigment grinds are made with castor oil, or something with equivalent viscosity/yield value, so that the pigment doesn’t settle out or re-agglomerate.
Are you using a 3-roll mill, a high-shear disperser, or a pigment muller to disperse your lakes?
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