75/ 100
C
OverallF63/100
MAC Studio Fix 24-Hour Colour Corrector

MAC Fix+ · Concealer

MAC Studio Fix 24-Hour Colour Corrector

C · Moderate

Lower PFAS concern; cosmetic colour correctors rarely contain intentional PFAS, but no brand transparency.

Verdict: BuySilicone-based color corrector with established cosmetic safety record; no documented heavy metal or formaldehyde concerns; lower PFAS risk typical for category.

MAC Studio Fix Colour Corrector is a liquid/cream cosmetic pigment blend with no known PFAS-containing ingredients based on public formulation data. MAC does not disclose PFAS policy or test results for this product.

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Material

pigments, silicone, glycerin in liquid/cream base

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

Why this grade

Category baseline

cosmetics is a category where PFAS exposure is more common.

Hurts the grade

No PFAS disclosure

No public statement about PFAS in this product.

Hurts the grade

Safe base material

Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).

Helps the grade

The full breakdown

What it's made of and why it matters

MAC Studio Fix 24-Hour Colour Corrector is a silicone-based liquid or cream formulation with pigments, glycerin, and emollients. Silicone bases are generally stable and non-volatile at skin temperature, meaning they do not off-gas harmful fumes like some cookware coatings or textiles do. The pigments used in color correctors are typically iron oxides, titanium dioxide, or synthetic organic colorants; these are regulated under cosmetic color additives rules but MAC does not publicly disclose specific pigment sourcing or heavy metal testing limits.

The brand's record and disclosure

MAC (Estée Lauder subsidiary) maintains industry-standard cosmetic safety practices and complies with FDA and EU cosmetic regulations. The brand does not publish third-party safety certifications, ingredient sourcing transparency reports, or independent testing data for heavy metals or formaldehyde releasers on this product. No recalls or safety violations specific to this color corrector have been established in public records. MAC's parent company has faced criticism for limited PFAS transparency across the portfolio, consistent with broader industry silence on the issue.

How it compares in its category

Color correctors in this price and prestige tier (MAC, Bobbi Brown, Urban Decay) share similar silicone-glycerin bases and comply with equivalent regulatory standards. Unlike budget or unregulated brands, MAC undergoes internal safety testing required by Estée Lauder group standards. This product sits in the mainstream-safe middle of the cosmetics spectrum, with no known safety advantages over other major brand color correctors but also no documented problems that would warrant avoidance.

If you buy it

Store away from direct heat (above 77°F storage is not ideal for any silicone cosmetic, as it may alter texture but not safety). Patch test on inner arm or behind ear 24 hours before full face use, especially if you have sensitive skin or fragrance allergies. Replace every 12 months to avoid bacterial colonization if the cap is frequently left open or the product is applied with fingers. Do not use if the product separates, smells rancid, or shows visible mold, which would indicate contamination and potential microbial hazard.

Beyond PFAS: other things we checked

Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”

None known

Heavy metals in synthetic pigments

MAC color correctors use approved cosmetic colorants (iron oxides, titanium dioxide, FD&C synthetics), which are regulated by FDA for heavy metal limits. No cadmium, lead, or arsenic contamination has been reported for this specific product, though MAC does not publish third-party pigment testing results.

None known

Formaldehyde or formaldehyde-releasing preservatives

Silicone-glycerin bases are chemically stable and do not require formaldehyde as a preservative; MAC typically uses non-formaldehyde systems (quaternium, phenoxyethanol). No formaldehyde release or accumulation is established for this product class.

Possible

Fragrance allergens and undisclosed fragrance compounds

MAC color correctors are often lightly fragranced or fragrance-free; if fragrance is present, MAC lists it as 'fragrance' rather than specific compounds, hiding potential allergens like limonene or geraniol. Individuals with fragrance sensitivity or cosmetic contact dermatitis should patch test or request the full fragrance disclosure from MAC directly.

Possible

Microbial contamination from open-jar or finger-dip application

Liquid or cream color correctors are water-containing formulations vulnerable to bacterial and fungal growth if the container seal is broken or the product is applied with contaminated fingers or tools. This is a storage and hygiene issue, not a manufacturing defect, but typical of all cream cosmetics.

Possible

Contact irritation or sensitization from silicone or emollients

While silicone and glycerin are generally recognized as safe, some individuals experience irritation or contact dermatitis from prolonged or repeated skin contact with silicone-based products, particularly on sensitive or compromised skin. This is an individual sensitivity issue, not a product-wide hazard, and pre-patch testing mitigates risk.

What we don’t know

This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.

No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.

The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.

Formulations and coatings change between production runs. Always check the current label before buying.

More concealer grades

How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.