PFAS30/ 100Poor
Overall12/ 100Bad
Dior Diorshow Overvolume Extreme Volume Mascara

Dior · Waterproof Mascara

Dior Diorshow Overvolume Extreme Volume Mascara

Poor

Unknown waterproof coating. No brand disclosure on PFAS.

Verdict · SkipUnknown waterproof coating raises PFAS concern; formulation otherwise typical for mascara. Brand silent on chemical disclosure. Use as directed, replace every 3 months.

Dior does not publicly disclose PFAS status for this mascara. Waterproof mascaras often use fluorinated polymers or PFAS-based water-repellent coatings; exact formulation unknown. Contact brand or choose explicitly PFAS-free alternatives if concerned.

The better-graded swap

Burt's Bees 100% Natural Nourishing Mascara, Black Brown

Burt's Bees

Burt's Bees 100% Natural Nourishing Mascara, Black Brown

75/100 safety

75Excellent

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, waterproof coating

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What Dior Diorshow Overvolume Extreme Volume is made of, ingredients and materials

Diorshow Overvolume Extreme is a waterproof mascara built on wax and film-forming polymer bases, common to most mascaras, with an unidentified waterproof coating system. The wax provides pigmentation and texture; polymers create the volumizing film on lashes. Waterproof mascaras historically rely on silicone or fluorocarbon (PFAS-containing) systems to repel water. Dior has not disclosed which technology this product uses, leaving the waterproof mechanism opaque to consumers.

What’s concerning

♾️

Waterproof / stain-resistant treatment

Water-repellent coating treatments have historically used PFAS.

65/ 100
♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

80/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
♾️

PFAS

Product is labeled waterproof but the coating mechanism is not disclosed by Dior. Waterproof mascaras historically use fluorocarbon-based (PFAS) or silicone systems; without brand confirmation, PFAS presence cannot be ruled out. This opacity is the primary safety concern on record for this product.

Source, ATSDR ↗
70/ 100
⚠️

Bacterial or fungal growth in applicator and tube

All mascaras, including waterproof formulas, carry contamination risk if not replaced every 3 months or if applicator wand contacts eyes multiple times per use. This is a general category hazard, not specific to Dior, but underscores the importance of hygiene discipline with this product.

45/ 100
⚠️

Eye irritation from fragrance or preservatives

Dior lists fragrance in this mascara formula. Fragrance allergens can trigger itching, redness, or dermatitis in sensitive eyes, particularly if product is applied near the waterline. No widespread adverse event record exists, but risk is inherent to fragrance inclusion in eye cosmetics.

70/ 100

What’s reassuring

💨

Formaldehyde / VOCs

No regulatory action or published safety issue on Diorshow Overvolume or comparable Dior mascaras for formaldehyde-releasing resins. Modern prestige mascaras rarely use such agents, but this product does not explicitly exclude them from ingredient lists available to consumers.

Source, ATSDR ↗
95/ 100
⛏️

Heavy metals

Dior mascaras use standard iron oxide and mica colorants approved by cosmetic regulations in the US and EU. No lead, cadmium, or arsenic contamination has been reported for this product or brand. These pigments are considered low-concern when applied topically to lashes.

Source, FDA ↗
95/ 100

The full breakdown

The brand's record and disclosure

Dior (LVMH group) does not publish ingredient-level safety disclosures or PFAS avoidance statements on mascara products. The brand lists ingredients on packaging and websites but does not break down coating chemistry or certifications for PFAS "forever chemicals". No recalls or regulatory actions specific to this mascara formulation have been reported. Transparency on waterproof coating origin is absent across the brand's color cosmetics lines.

How it compares in its category

Waterproof mascaras in the prestige segment typically use undisclosed waterproofing agents similar to Dior's approach. Budget and drugstore alternatives often rely on the same polymer and wax bases with comparable coating opacity. Brands like Clinique and MAC (also LVMH) show equivalent reticence on PFAS. Mascaras marketed as 'natural' or 'clean' sometimes substitute silicone-free polymers but still do not disclose waterproof chemistry.

If you buy it

Replace mascara every 3 months to prevent bacterial colonization in the tube and application wand, which is a known hygiene risk with all mascaras. Do not heat the product or store it in direct sunlight; polymer films can degrade and flake onto lashes. Use makeup remover or micellar water designed for waterproof formulas to avoid tugging on lashes during removal. If eye irritation or swelling occurs, discontinue immediately and rinse thoroughly.

What we don’t know

Basis
Model estimate, 42% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Dior has made none

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

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75ExcellentPFAS grade
  • Wax, pigments, natural oils (typical mascara base)
  • Fragrance allergens and undisclosed sensitizers

2 hazards checked on this product. See all of them.

Chanel Le Volume de Chanel Mascara

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65GoodPFAS grade
  • pigments, waxes, polymers (unspecified)
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Estée Lauder Lash Drama Mascara Gift Set

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65GoodPFAS grade
  • pigments, waxes, film-formers in liquid mascara
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More 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.