MAC Cosmetics Studio Fix Fluid SPF 15 24HR Buildable Soft-Matte Foundation + Oil Control, Size: 1 Oz, Nc10
Analysis updated October 2026 · How Scout scores
At a glance
Summary
This foundation contains beneficial ingredients like sodium hyaluronate, which provides excellent hydration, and salicylic acid, known for its exfoliating properties. However, the presence of phenoxyethanol and BHT, which are associated with potential irritation and endocrine disruption, respectively, lowers its safety profile. The product also includes synthetic components, which contribute to a moderate level of processing.
Key ingredients 7
Sodium HyaluronateVery Good
Sodium hyaluronate is a form of hyaluronic acid that is highly effective in retaining moisture in the skin. It can hold up to 1000 times its weight in water, making it an excellent hydrating agent. It is widely used in skincare for its ability to plump and hydrate the skin.
Risks
There are minimal risks associated with sodium hyaluronate, though overuse can lead to skin irritation.
Benefits
It helps to reduce the appearance of fine lines and wrinkles by keeping the skin hydrated and plump.
Algae ExtractGood
Algae extract is rich in vitamins and minerals, offering antioxidant and anti-inflammatory properties. It can help soothe and protect the skin from environmental damage. It is often used in skincare for its nourishing benefits.
Risks
There is a low risk of allergic reactions in sensitive individuals.
Benefits
Algae extract can improve skin hydration and elasticity, making it beneficial for anti-aging.
Salicylic AcidGood
Salicylic acid is a beta hydroxy acid known for its ability to exfoliate the skin and clear pores. It is effective in treating acne and improving skin texture. It is commonly used in skincare for its anti-inflammatory and exfoliating properties.
Risks
Overuse can lead to skin dryness and irritation, especially in sensitive skin.
Benefits
Salicylic acid helps to reduce acne and improve skin clarity by exfoliating dead skin cells.
Water Aqua EauNeutral
Water is a common solvent used in cosmetics to dissolve other ingredients. It helps in the application and spreadability of the product. It is generally considered safe and non-irritating.
Risks
There are no significant risks associated with water in cosmetics.
Benefits
Water helps in hydrating the skin and acts as a base for other ingredients.
DimethiconeNeutral
Dimethicone is a silicone-based polymer used for its smoothing and conditioning properties. It forms a barrier on the skin that can help retain moisture. It is generally considered safe for use in cosmetics.
Risks
Some individuals may experience skin irritation or breakouts from silicones.
Benefits
Dimethicone provides a silky texture and helps to fill in fine lines and pores for a smooth finish.
PhenoxyethanolBad
Phenoxyethanol is a preservative used to prevent microbial growth in cosmetics. It is considered a safer alternative to parabens but can still cause irritation. It is generally used in low concentrations to minimize risks.
Risks
It can cause skin and eye irritation, and there are concerns about its potential neurotoxicity.
Benefits
Phenoxyethanol helps to extend the shelf life of cosmetic products by preventing bacterial contamination.
BHTBad
BHT (Butylated Hydroxytoluene) is an antioxidant used to prevent the oxidation of ingredients in cosmetics. It is controversial due to potential health concerns, including endocrine disruption. It is used in small amounts to minimize risks.
Risks
There are concerns about its potential to cause skin irritation and its possible link to cancer.
Benefits
BHT helps to stabilize formulations and extend the shelf life of products by preventing oxidation.
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