MAC Colour Excess Gel Pencil Eye Liner Stay The Night 0.01 oz
Analysis updated August 2026 · How Scout scores
At a glance
Summary
This eye liner contains a mix of synthetic and natural ingredients, with beneficial components like carnauba wax and titanium dioxide, which are safe and provide functional benefits. However, the presence of benzyl alcohol, which can cause irritation for sensitive skin, and the overall processed nature of the product slightly lower its score. The formulation avoids major harmful chemicals, maintaining a relatively clean profile.
Key ingredients 24
Copernicia Cerifera (Carnauba) WaxVery Good
Carnauba Wax is a natural wax derived from the leaves of the carnauba palm. It is used as a thickening agent and provides a glossy finish. It is considered safe and beneficial in cosmetics.
Risks
There are minimal risks, though some individuals may experience mild irritation.
Benefits
It provides a natural glossy finish and enhances the product's texture.
Iron Oxides (Ci 77499)Good
Beneficial ingredient — whole-food or functional value in this product class.
Risks
There are minimal risks, primarily related to inhalation in powder form.
Benefits
They provide natural and stable color to the product.
MicaGood
Beneficial ingredient — whole-food or functional value in this product class.
Risks
There are minimal risks, primarily related to inhalation in powder form.
Benefits
It provides a shimmering effect and enhances the visual appeal of the product.
IsododecaneNeutral
Isododecane is a hydrocarbon commonly used in cosmetics for its lightweight and non-greasy feel. It helps in the smooth application of products. It is generally considered safe for use in cosmetics.
Risks
There are minimal risks associated with isododecane, though it can cause mild irritation in sensitive individuals.
Benefits
It provides a silky texture and helps in the even distribution of the product.
PolymethylsilsesquioxaneNeutral
Polymethylsilsesquioxane is a silicone used to enhance the smoothness and spreadability of cosmetic products. It forms a flexible film on the skin. It is considered safe for use in cosmetics.
Risks
There are no significant risks associated with this ingredient.
Benefits
It improves the texture and longevity of the product on the skin.
Candelilla Wax HydrocarbonsNeutral
Candelilla Wax Hydrocarbons are derived from the candelilla plant and used as a thickening agent in cosmetics. They help in providing structure to the product. They are generally regarded as safe.
Risks
There are minimal risks, though some individuals may experience mild irritation.
Benefits
They contribute to the stability and consistency of the product.
Synthetic WaxNeutral
Synthetic waxes are used in cosmetics to provide texture and stability. They mimic the properties of natural waxes. They are considered safe for use.
Risks
There are no significant risks associated with synthetic waxes.
Benefits
They help in maintaining the product's form and ease of application.
TrimethylsiloxysilicateNeutral
Trimethylsiloxysilicate is a silicone resin used to form a water-resistant film on the skin. It enhances the durability of makeup products. It is generally considered safe for use.
Risks
There are minimal risks, primarily related to potential skin irritation.
Benefits
It provides long-lasting wear and water resistance to the product.
Euphorbia Cerifera (Candelilla) Wax ExtractNeutral
Candelilla Wax Extract is used as a thickening agent and emollient in cosmetics. It is derived from the candelilla plant. It is considered safe for use.
Risks
There are minimal risks, though some individuals may experience mild irritation.
Benefits
It helps in providing structure and a smooth application to the product.
Hydrogenated PolydicyclopentadieneNeutral
Hydrogenated Polydicyclopentadiene is used in cosmetics for its film-forming properties. It enhances the durability of the product. It is considered safe for use.
Risks
There are minimal risks associated with this ingredient.
Benefits
It provides a long-lasting effect and improves the product's adherence to the skin.
Dipentaerythrityl PentaisononanoateNeutral
Dipentaerythrityl Pentaisononanoate is an ester used as an emollient and skin conditioning agent. It provides a smooth feel to the product. It is considered safe for use.
Risks
There are minimal risks, primarily related to potential skin irritation.
Benefits
It enhances the texture and spreadability of the product.
Caprylyl GlycolNeutral
Caprylyl Glycol is used as a skin conditioning agent and preservative booster. It helps in maintaining the product's stability. It is considered safe for use.
Risks
There are minimal risks, though it can cause mild irritation in sensitive individuals.
Benefits
It enhances the preservation and moisturizing properties of the product.
TrihydroxystearinNeutral
Trihydroxystearin is used as a thickening agent in cosmetics. It helps in stabilizing emulsions. It is considered safe for use.
Risks
There are minimal risks associated with this ingredient.
Benefits
It provides consistency and stability to the product.
Disteardimonium HectoriteNeutral
Disteardimonium Hectorite is used as a thickening and suspending agent in cosmetics. It helps in stabilizing formulations. It is considered safe for use.
Risks
There are minimal risks, primarily related to potential skin irritation.
Benefits
It enhances the stability and consistency of the product.
Propylene CarbonateNeutral
Propylene Carbonate is used as a solvent and viscosity regulator in cosmetics. It helps in dissolving other ingredients. It is considered safe for use.
Risks
There are minimal risks, though it can cause mild irritation in sensitive individuals.
Benefits
It aids in the formulation and stability of the product.
SilicaNeutral
Silica is used in cosmetics as an absorbent and anti-caking agent. It helps in improving the texture and feel of the product. It is considered safe for use.
Risks
There are minimal risks, primarily related to inhalation in powder form.
Benefits
It enhances the smoothness and application of the product.
Synthetic FluorphlogopiteNeutral
Synthetic Fluorphlogopite is a synthetic mica used to add shimmer and shine to cosmetics. It is considered a safe alternative to natural mica. It is generally regarded as safe.
Risks
There are minimal risks, primarily related to inhalation in powder form.
Benefits
It provides a shimmering effect and enhances the visual appeal of the product.
Tin OxideNeutral
Tin Oxide is used as an opacifying agent and to add luster in cosmetics. It is considered safe for use. It is often used in combination with mica to enhance shine.
Risks
There are minimal risks associated with tin oxide.
Benefits
It enhances the shine and opacity of the product.
AluminaNeutral
Alumina is used as an abrasive and absorbent in cosmetics. It helps in improving the texture and feel of the product. It is considered safe for use.
Risks
There are minimal risks, primarily related to inhalation in powder form.
Benefits
It enhances the smoothness and application of the product.
Pentaerythrityl Tetra-Di-T-Butyl HydroxyhydrocinnamateNeutral
This ingredient is used as an antioxidant in cosmetics to prevent the oxidation of other ingredients. It helps in maintaining the product's stability. It is considered safe for use.
Risks
There are minimal risks associated with this ingredient.
Benefits
It helps in preserving the integrity and longevity of the product.
Ferric Ammonium Ferrocyanide (Ci 77510)Neutral
Ferric Ammonium Ferrocyanide is used as a pigment in cosmetics to provide color. It is considered safe for use in cosmetics. It is commonly used in a variety of products for its vibrant color.
Risks
There are minimal risks associated with this ingredient.
Benefits
It provides vibrant and stable color to the product.
Titanium Dioxide (Ci 77891)Neutral
Standard formulation ingredient — neither beneficial nor harmful at typical use.
Risks
There are minimal risks, primarily related to inhalation in powder form.
Benefits
It provides UV protection and enhances the opacity of the product.
Synthetic BeeswaxBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
There are no significant risks associated with synthetic beeswax.
Benefits
It helps in providing structure and a smooth application to the product.
Benzyl AlcoholBad
Benzyl Alcohol is used as a preservative and solvent in cosmetics. It can cause skin irritation and allergic reactions in some individuals. It is considered safe in low concentrations but can be problematic for sensitive skin.
Risks
It can cause skin irritation and allergic reactions, especially in sensitive individuals.
Benefits
It acts as a preservative and helps in maintaining the product's stability.
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