Lancôme Women's Monsieur Big Waterproof Mascara
Skip until Lancôme discloses waterproofing chemistry.
This waterproof mascara uses undisclosed wax or polymer coatings typical of water-resistant cosmetics, historically linked to PFAS. Lancôme provides no transparency or PFAS-free pledge.
The better-graded swap
Burt's Bees
Burt's Bees 100% Natural Nourishing Mascara, Black Brown
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
Wax/film-forming polymers with waterproofing agent (unspecified)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What Lancôme Women's Monsieur Big Mascara is made of, ingredients and materials
Monsieur Big Waterproof uses wax and film-forming polymers to create a water-resistant layer on lashes; the waterproofing agent is not specified on public documentation. Waterproof mascaras typically rely on silicones, synthetic polymers, or fluorinated compounds (PFAS) to repel water, and Lancôme has not publicly disclosed which class they use here. The formula also contains standard mascara ingredients like iron oxides (pigments), preservatives, and conditioning agents. Without ingredient transparency on the waterproofing mechanism, the true safety profile remains incomplete.
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.
Waterproof / stain-resistant treatment
Water-repellent coating treatments have historically used PFAS.
Heavy metals
Iron oxides used as black pigment in mascara have lower concern for heavy metal contamination (lead, cadmium, arsenic) when sourced from certain mining and processing origins, though trace levels are possible depending on source. Lancôme does not publish third-party heavy metal testing for cosmetics; compliance with EU limits (0.1 ppm lead in finished product) is assumed but not verified.
Source, FDA ↗Fragrance allergens
Mascara formulas often contain fragrance or essential oil components to mask wax/polymer odor. Monsieur Big ingredient lists show fragrance but do not break down allergen components (limonene, linalool, etc.); sensitive individuals may react, particularly around the delicate eye area.
Irritation from incomplete removal of waterproof residue
Waterproof mascaras are designed to resist water and are harder to remove than standard formulas; residual film on lashes or eyelid can cause chronic low-level irritation, dryness, or allergic contact dermatitis with repeated use. Users commonly report eye discomfort or lash thinning after extended wear of waterproof products if removal technique is inadequate.
Undisclosed waterproofing chemistry (assumed fluorinated)
Lancôme does not specify the waterproofing agent in Monsieur Big. Given the product's 24-hour waterproof claim and industry norms, PFAS or fluorinated polymers are a probable component; non-fluorinated waterproof alternatives exist but are less common in luxury mass-market mascaras.
What’s reassuring
Formaldehyde / VOCs
No formaldehyde-releasing preservatives (imidazolidinyl urea, dmdm hydantoin, etc.) are documented in available Monsieur Big ingredient lists. Standard cosmetic preservatives used in waterproof mascara do not inherently release formaldehyde, though L'Oréal does not publish full preservation system data.
Source, ATSDR ↗How is this PFAS grade calculated?
The brand's record and disclosure
Lancôme (L'Oréal-owned) does not publicly disclose waterproofing chemistry for this product or commit to PFAS-free standards across its cosmetics line. The brand has not published ingredient safety reviews, PFAS testing, or reformulation timelines despite industry movement toward fluorine-free alternatives. No major safety recalls specific to this mascara are on record, but the silence on permanent chemicals reflects a broader lack of proactive ingredient transparency compared to indie and clean beauty competitors. L'Oréal does comply with EU cosmetics regulations but operates in markets with weaker disclosure requirements.
How it compares in its category
Waterproof mascaras inherently carry higher PFAS risk than non-waterproof formulas because water resistance historically relied on fluorinated chemistry; this product is not unusual in that respect. Brands like Becca, Milk, and Benefit now market waterproof mascaras with disclosed silicone or wax-only bases, offering more transparency. Monsieur Big competes on performance and longevity (selling point, 24-hour wear) rather than ingredient safety positioning, which places it in the mainstream luxury segment where PFAS use remains common and undisclosed. Price point does not correlate with ingredient safety in this category.
If you buy it
Use only on the lash line; avoid contact with eyes and mucous membranes since waterproof formulas are harder to remove and residue irritation is more likely. Remove with micellar water or dedicated makeup remover, not plain water (the product is designed to resist it), and follow with gentle eye cleanser; prolonged incomplete removal can cause lash brittleness over time. Replace every 3 months after opening to prevent bacterial growth and formula separation, especially in humid bathrooms. If you experience redness, itching, or irritation, discontinue and patch-test on inner arm before reuse; waterproof formulas are more likely to trigger sensitivity in contact-lens wearers.
What is not known about PFAS in this product?
- Basis
- Model estimate, 42% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Lancôme has made none
Formulations change between production runs, so check the current label. How we grade.
What are the PFAS-free alternatives to Lancôme Women's Monsieur Big Waterproof Mascara?
- Wax, pigments, natural oils (typical mascara base)
- Fragrance allergens and undisclosed sensitizers
2 hazards checked on this product, all on its full breakdown.
- pigments, waxes, polymers (unspecified)
- Lead
5 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- pigments, waxes, film-formers in liquid mascara
- Heavy metals
5 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonMore waterproof mascara 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.