Tarte Cosmetics · Makeup
Tarte Amazonian Clay 16-hour Full Coverage Foundation
Lower concern; no known PFAS use reported in this liquid cosmetic formula.
Tarte's clay foundation is a water-based liquid cosmetic with no disclosed waterproofing or stain-resistance treatments that typically introduce PFAS. The brand does not publicly address PFAS in this product.
Shop Tarte Cosmetics on Amazon →Material
liquid foundation with mineral pigments, silicones, and water 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.
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
Tarte's Amazonian Clay foundation is a water-based liquid with silicones, mineral pigments (iron oxides, mica), and clay as the signature absorbent agent. The silicone backbone (typically dimethicone) is inert in liquid cosmetics and does not degrade or off-gas under normal use. Mineral pigments like iron oxides are regulated as color additives in the US and generally pose no leaching risk in a stable emulsion. The clay component (montmorillonite) is insoluble and serves as a filler and oil-control agent with no known toxicity at cosmetic exposure levels.
The brand's record and disclosure
Tarte has not published comprehensive ingredient transparency reports or PFAS-specific statements. The brand does not carry third-party certifications (organic, cruelty-free badges exist but are not official standards). No major recalls or heavy-metal contamination events have been publicly documented for this product line. Tarte is owned by Kose Corporation (Japan) and operates within FDA cosmetic guidelines; their safety posture is industry-standard compliance rather than leading transparency.
How it compares in its category
Full-coverage liquid foundations vary widely in hazard profile. Tarte's silicone and water base avoids oil-based formulas that may contain higher contaminant loads. Competitors using talc (e.g., some drugstore brands) carry documented asbestos contamination risks; this product does not list talc. Mineral-pigment foundations are generally lower-risk than those using synthetic dyes, which may harbor heavy metals. This formula sits in the mid-to-low hazard tier for category.
If you buy it
Store in a cool, dry place away from direct heat or sunlight to prevent silicone breakdown (though unlikely at room temperature). Do not heat or use near open flame. Discard if the emulsion separates, discolors, or develops an off smell, as breakdown can accelerate contaminant mobility. Patch test on inner arm 24 hours before full facial use if you have sensitive skin, as fragrance compounds or mineral pigments may trigger irritation in susceptible individuals. Replace every 12 months after opening to prevent bacterial or mold growth in the liquid base.
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.”
Heavy metals in mineral pigments (lead, cadmium, chromium)
Iron oxides and mica used as colorants in this formula are regulated color additives with established purity standards in the US. No recalls or public testing has flagged contamination in Tarte's products.
Talc contamination (asbestos risk)
This product does not list talc in its formula; it uses clay and silicones as absorbents instead, eliminating this hazard.
1,4-dioxane (industrial contaminant)
Water-based cosmetics can acquire trace 1,4-dioxane during synthesis of ethoxylated emulsifiers. No published testing exists for this specific product, but risk is typical for the category and generally at parts-per-million levels below regulatory concern in the US.
Fragrance allergens and sensitizers
Tarte lists fragrance as an ingredient without disclosing individual components (common industry practice). Fragrance compounds can trigger contact dermatitis or sensitization in 1-3% of users; individual tolerance varies.
Bacterial or mold growth if unmaintained
Water-based liquid foundations create an aqueous environment that can support microbial growth if the seal is compromised or the product is stored in high humidity. Proper closure and timely replacement mitigate this 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 makeup 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.