• Formulating

  HELP with foundation color change

  Posted by Mmb11 on August 27, 2024 at 4:47 am

  Hi again,

  I have a huge problem with a W/O foundation formula that we developed for a client. We used Daito Kasei’s OTS pigments that have a TRIETHOXYCAPRYLYLSILANE coating. We are using EASYNOV emulsifier. I find that as soon as the formula is applied on skin it has a color, 2 minutes later tends to oxidize hugely (towards a red color) and when dried is a completely different color. Besides, once dry, if you rub the finger across the surface you see a white patina appear that is quite visible. We have been trying to adjust the color of the different productions to the master sample’s tone and it seems impossible as the color changes constantly.

  Every production seems to have a different color and we can’t seem to find the way to match to the original samples as the color further oxidizes with time.

  I am desperate as it is a huge project and I can’t seem to find a proper solution. It has already been months with this problem.

  Thanks so much!

  Unknown Member replied 3 months ago 3 Members · 2 Replies
• 2 Replies

• 

  Perry44

  Administrator

  August 27, 2024 at 6:35 pm

  The color instability and white patina in your W/O foundation may stem from the interaction between TRIETHOXYCAPRYLYLSILANE-coated pigments and the EASYNOV emulsifier, leading to oxidation and color shifts. To address this, consider testing different pigment coatings, adjusting the pigment-to-emulsifier ratio, and incorporating antioxidants like tocopherols to prevent oxidation. The white residue might be due to emulsifier-pigment incompatibility, so optimizing the formula with compatible fillers or co-emulsifiers could help. Additionally, ensure batch-to-batch consistency by tightly controlling raw material sourcing and manufacturing processes.

  But really, without knowing what is all in your formula it is hard to give a more specific answer.

• 

  Unknown Member

  Member

  September 17, 2024 at 10:26 am

  It sounds like you’re dealing with significant formulation challenges. Color shifts and oxidation issues often stem from ingredient interactions or unstable pigments. Testing different emulsifiers or stabilizers might help. For insight on similar issues, you might find Luminess Air reviews useful https://luminess-air.pissedconsumer.com/review.html. Their site offers feedback on cosmetic products, which could provide relevant advice or solutions for your situation.

  • This reply was modified 3 months ago by  Unknown Member.

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