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Effect of order of addition of FO or lipids from Shampoo on deposition
I make Shampoos with this order of addition<div>
</div>Water
Cationic guar
CAPB
citric acid
EDTA
SLES
Silicone emulsion
Preservatives
Fragrance oil
Nacl solution
The fragrance oils available here are low quality so high amount of them causes scalp irritation so i use very small amounts of them. 0.005-0.05% in different products.
My purpose is to use higher amount of FO and reduce their deposition from a Shampoo.
My question are:
1. Does order of addition have any effect on the amount of fragrance oil or lipids that is deposited in hair from Shampoo?
2. In which stage in this production process should i add fragrance oil to get it’s minimum or maximum deposition on hair?
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