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Refers to ground-up silver suspended in solution.
Methylchloroisothiazolinone (MCI) is a skin sensitizing organic compound used as a preservative when combined with methylisothiazolinone.
Methyldibromo glutaronitrile is a well-known skin sensitizer that has preservative properties.
Methylisothiazolinone (MI or MIT) is a skin sensitizing compound used as a preservative in cosmetics alongside methylchloroisothiazolinone (MCI).
This group of compounds is primarily used in small amounts in cosmetics as pH adjusters.
Preservative that research has shown can cause sensitization.
Preservative ingredient that can cause skin sensitization. There are conflicting reports about whether it is beneficial for acne-prone skin.
This cosmetics preservative is well known for its sensitizing and irritating impact on skin.
Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.
Necessary to improve a formula's texture, stability, or penetration.
Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.
There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.
May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.
We couldn't find this in our ingredient dictionary. We log all missing ingredients and make continuous updates.
We have not yet rated this ingredient because we have not had a chance to review the research on it.
