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This is the most widely used ingredient in skin care, often appearing first in product ingredient lists. Used as a solvent.
Solvent used in nail polish and many other products.
A synthetic solvent with lightweight emollient properties that provides smooth application and soft skin.
Solvent and texture-enhancing ingredient known for delivering a soft, silky after feel—minus greasy residue.
Most often used instead of various silicones and mineral oil, this hydrocarbon solvent has emollient properties with a light, silky finish.
Solvent used in skin care to help dissolve or dilute other substances and ingredients.
Filtered water used in cosmetics. All water used in cosmetic formulations goes through this process to remove components that could interfere with a product's stability and performance.
A form of water also known as "heavy water" that, due to its chemical composition, has a higher mass than regular water.
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.
