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Also known as red sandalwood, this fragrance ingredient poses a risk of irritating skin.
Plant for which there is little research showing it to have any benefit for skin.
Used topically, this ingredient's methanol content makes it potentially sensitising for skin.
Alpha isomethyl ionone is a fragrance ingredient that must be listed on products that contain it due to its risk of causing a sensitised reaction.
This synthetic fragrance ingredient has been shown to cause allergic contact dermatitis.
Synthetic fragrance used in cosmetics.
Also known as aniseed, it can have antioxidant properties.
Fragrant volatile oil and plant extract taken from the Laurus nobilis plant that can sensitize 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.
