NYX · Lip Balm & Long-Wear Lipstick
NYX Mega Shine Lip Gloss
Likely lower concern but NYX provides no PFAS transparency.
Standard cosmetic gloss with PMMA, silicones, waxes, and pigments shows no publicly confirmed PFAS-flagged ingredients. Lip glosses rarely require water-repellent treatments. No independent testing or brand commitment exists.
The better-graded swap
Becca Cosmetics
Becca Glow Gloss
75/100 safety
Same rubric that flunked this product. The swap earned Excellent.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Polymethyl methacrylate (PMMA), silicones, waxes, pigments
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What NYX Mega Shine Lip Gloss is made of, ingredients and materials
This lip gloss uses polymethyl methacrylate (PMMA) as its primary film-former, a synthetic plastic resin also found in acrylic nails and dentures. PMMA itself is considered chemically stable and non-toxic when applied topically to lips. The formula also contains silicones (for slip and shine) and waxes (for adhesion and comfort), neither of which present established dermal hazards at cosmetic concentrations. The pigments and colorants are the main variables in safety, depending on source and whether they include synthetic dyes or mineral pigments.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Synthetic colorants and pigment impurities
NYX does not publicly disclose the source or heavy metal testing of pigments (iron oxides, titanium dioxide, synthetic dyes) in this formula. Risk of lead or cadmium contamination in color additives is low under current FDA oversight but not independently verified for this specific product.
1,4-dioxane contamination
1,4-dioxane is a probable carcinogen that can occur as a byproduct in cosmetics containing polyethylene glycol or other ethoxylated surfactants. NYX does not publish third-party testing; contamination is neither confirmed nor ruled out for this product, though brand-wide risk is typical for mass-market glosses.
Contact sensitization from fragrance or flavor compounds
Lip glosses in this category often contain flavoring agents and fragrance allergens that can trigger contact dermatitis or perioral irritation. NYX Mega Shine is not documented as a high-allergen formulation, but users with fragrance sensitivity or compromised lip barrier function report occasional reactions to similar products in the line.
PMMA microparticles from coating wear
PMMA is not biodegradable and can shed microparticles as the gloss wears or is removed. Ingestion risk from lip gloss is low but non-zero; long-term systemic effects of PMMA microplastics are not established in humans, though they are not absorbed through intact skin.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Formaldehyde / VOCs
No documented formaldehyde-releasing preservatives (DMDM hydantoin, imidazolidinyl urea) are listed in publicly available NYX Mega Shine ingredient disclosures. Standard cosmetic preservatives like methylisothiazolinone may be present, which carry low but noted dermal allergy risk in sensitive individuals.
Source, ATSDR ↗How is this PFAS grade calculated?
The brand's record and disclosure
NYX Professional Makeup, owned by L'Oreal, does not publish detailed ingredient sourcing or PFAS statements publicly, which limits transparency compared to leading indie or certified organic brands. The brand has no major product recalls on record for this line and complies with FDA cosmetic ingredient regulations. However, NYX's parent company and the brand itself remain largely silent on heavy metal testing, formaldehyde releasers, or allergen disclosure beyond basic labeling, which is standard for mass-market color cosmetics but below the transparency threshold of premium or clean-label competitors.
How it compares in its category
Mega Shine sits in the mainstream, high-shine lip gloss segment dominated by silicone and PMMA bases. It has lower concern for Teflon-type coating contamination than vintage gel or shellac-based glosses, and a comparable hazard profile to Maybelline, Revlon, and MAC glosses. Specialized brands like Burt's Bees or Juice Beauty offer plant-based wax alternatives with lower synthetic chemical load, but at higher price and often lower wear. NYX's formula is a sensible middle ground between budget and premium, with no category-specific red flags.
If you buy it
Apply only to lips; do not ingest or use near eyes, as PMMA and pigments are not evaluated for oral safety. Replace every 12-18 months or if the texture becomes tacky, separated, or smells rancid, indicating oxidation or bacterial growth. Store in a cool, dry place away from direct heat or sunlight to prevent wax and silicone breakdown. Patch test on a small lip area first if you have sensitive skin or a history of cosmetic reactions, as synthetic dyes and fragrance compounds in the gloss can trigger contact dermatitis in some users.
What is not known about PFAS in this product?
- Basis
- Model estimate, 55% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- NYX has made none
Formulations change between production runs, so check the current label. How we grade.
More lip balm & long-wear lipstick 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.