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White cast from cream
Good day. I have a problem with a face cream that leaves white residue on the skin. Especially on dark skin. It has high amount of stearic acid which was reduced but it still leaves a white residue. Any advice on how I can fix it?
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7 Replies
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Please list all ingredients.
Is the white cast…just during initial application (soaping)? Can it be rubbed away with effort? (Stearic acid is known for soaping.)
Otherwise, it might be an additional ingredient…but we don’t know what they are.
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The white cast feels dry and stays on the skin surface. It cannot be rubbed out since it drys quickly on the skin.
I unfortunately cannot disclose the full ingredients list but here are some. It is an oil control cream mainly used by women of colour.
Stearic acid
Cetyl alcohol
Silica fumed
Carbopol
The oils in the formulation is less than 2%.
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Why you cannot list all the ingredients? You will have to list them on the product anyway?
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As any formulator would do….do a knock-out test. Remove ONE ingredient at a time…and check results. Start with the most likely suspect…. In your case…fumed silica. 🙂
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Thank you. Is it because silica acts as a film former?
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no….it is just in suspension.
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How does the silica cause this?
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