PFAS75/ 100Excellent
Overall63/ 100Good
NYX PROFESSIONAL MAKEUP Fat Oil Lip Drip

NYX Professional Makeup · Lip Gloss

NYX PROFESSIONAL MAKEUP Fat Oil Lip Drip

Excellent

Lower-concern cosmetic; lip oils rarely require PFAS, but NYX offers no PFAS transparency.

Verdict: BuyLip oil formula carries minimal established toxicity risk; NYX transparency gap on PFAS is notable but not disqualifying for occasional lip use.

Cosmetic lip oil with no known waterproofing, stain resistance, or non-stick coatings typical of PFAS use. The brand makes no PFAS claims and provides no ingredient-level transparency.

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We flunk more products than we pass. This one earned its grade. How we grade

Material

Emollient lip oil blend (likely silicone, plant oils, vitamin E)

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What’s concerning

♾️

Category baseline

PFAS exposure happens more often with clothing products.

80/ 100
♾️

No PFAS disclosure

The company has not publicly discussed PFAS in this product.

85/ 100
🏷️

Fragrance allergens and undisclosed sensitizers

NYX Fat Oil Lip Drip marketing emphasizes scent ('drip' variants often include flavor oils or fragrance compounds) but ingredient lists group fragrances as a single term, masking individual allergenic components like limonene or linalool. Lip contact increases sensitization risk compared to other cosmetics.

70/ 100

Oxidative degradation of plant oils and vitamin E

The plant oil base (likely jojoba, argan, or coconut oil blends) can oxidize into peroxides and aldehydes if stored in sunlight or at elevated temperatures. Oxidized oils are mildly irritating to sensitive lip tissue but not toxic. Proper storage largely mitigates this.

70/ 100
⚠️

1,4-dioxane contamination from emulsifiers

Some silicone-based emulsifiers used in oil-in-water systems can contain trace 1,4-dioxane as a manufacturing byproduct. NYX does not publish supplier vetting or distillation protocols. This is a concern across mainstream cosmetics but not specific to this brand.

70/ 100

What’s reassuring

Safe base material

Made from ceramic, mineral, or natural fiber with no PFAS risk.

100/ 100
⛏️

Heavy metals

No recalls or public testing confirm heavy metal presence in NYX lip oils. Standard FDA oversight of colorant suppliers (CI numbers) reduces this risk significantly compared to unregulated cosmetic brands. Unpigmented or naturally tinted variants avoid synthetic dye concerns entirely.

Source: FDA
95/ 100

Microplastic or silicone polymer persistence

Silicone oils are not microplastics and do not break down into particulates; they rinse off with water. No evidence suggests silicone lip oils accumulate in tissues or harm aquatic environments at consumer-use levels, though dimethicone persistence in wastewater is an environmental consideration outside direct safety scope.

95/ 100

The full breakdown

What it's made of and why it matters

Fat Oil Lip Drip is formulated as an emollient blend, likely combining silicone (dimethicone or similar), plant-derived oils, and vitamin E. This material class avoids the polymer coatings and reactive chemistries that trigger heavy metal or volatile organic compound concerns in other cosmetics. Lip oils sit on the surface rather than absorbing systemically, which reduces the already-low exposure window for any minor impurities. The silicone-oil base is inherently stable and unlikely to degrade into secondary hazards under normal storage.

The brand's record and disclosure

NYX Professional Makeup is owned by L'Oreal and operates under parent-company compliance frameworks that generally meet FDA and EU cosmetic regulations. However, NYX does not publish ingredient-level heavy metal testing, formaldehyde-releaser screening, or PFAS commitment statements on its website or packaging. The brand has no publicized recalls for Fat Oil Lip Drip. This silence on PFAS and trace contaminants reflects industry-wide reluctance rather than known negligence, but it means consumers cannot verify supplier rigor.

How it compares in its category

Lip oils as a category carry lower contamination risk than cream lipsticks or long-wear formulas, which require film-forming polymers and stabilizers. NYX Fat Oil Lip Drip sits in the mainstream cosmetic tier: more transparent than luxury indie brands, less rigorous than certified organic or medical-grade lip products. Competitors like Maybelline (also L'Oreal) and drugstore silicone-oil alternatives offer similar hazard profiles without differentiation. Specialty brands (MAC Fix+, Fenty Beauty) operate under identical regulatory oversight.

If you buy it

Store the product in a cool, dry place and keep the cap sealed to prevent oxidation of the plant oil fraction, which can increase irritation over time. Lip oils have indefinite shelf life if unopened; discard after 12 months of use or if the oil develops a rancid smell. Apply sparingly to avoid ingestion and avoid contact with eyes. If you have sensitive lips or a history of cosmetic reactions, test on a small area first, as fragrance additives (often undisclosed in 'natural' lip oils) are a common irritant.

What we don’t know

Basis
Model estimate, 72% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
NYX Professional Makeup has made none

Formulations change between production runs, so check the current label. How we grade.

More lip gloss 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.