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Acid found in vinegar, some fruits, and human sweat. It can be sensitising to skin.
This solvent is commonly used as nail polish remover and can irritate skin and mucus membranes.
Advanced glycation endproducts, also known as AGEs, are caused by the body's major fuel source, namely glucose.
Advanced glycation endproducts are caused by the body's major fuel source, namely glucose.
This combination of two separate ingredients can have both healing and astringent properties.
Anything with a pH higher than 7 is alkaline; a pH below 7 is acidic.
This fragrance ingredient contains components that can cause skin irritation and sensitivity.
This oil from the root of an alpine plant contains a high amount of skin-sensitizing limonene.
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.
