Dior Diorshow Iconic Overcurl Mascara Waterproof
Waterproof mascara with unspecified waterproofing agents; PFAS risk unclear.
Dior does not disclose PFAS or waterproofing chemistry for this product. Waterproof mascaras often use fluorinated compounds, but no public testing or brand claim exists for this formula.
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, resin, film-forming agents; waterproofing mechanism unspecified
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What Dior Diorshow Iconic Overcurl Mascara is made of, ingredients and materials
Diorshow Iconic Overcurl contains waxes, resins, and film-forming agents typical of mascaras, with an undisclosed waterproofing mechanism. The specific resin and film-forming polymer chemistry are proprietary; Dior does not publicly name the waterproofing agent (e.g., silicone, synthetic polymer, or potential fluorinated compound). Without ingredient transparency on the waterproofing component, the full chemical profile cannot be independently assessed for irritants or allergens.
What’s concerning
Waterproof / stain-resistant treatment
Water-repellent coating treatments have historically used PFAS.
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.
Formaldehyde / VOCs
Mascaras commonly use preservatives that may release formaldehyde; Dior's full preservative system is not publicly disclosed. Standard cosmetic regulation does not ban these, but long-term eye exposure remains a concern for sensitive individuals.
Source, ATSDR ↗Fragrance allergens
Product label does not specify fragrance components; mascaras near the eye can trigger contact dermatitis in fragrance-sensitive users. Dior cosmetics often contain fragrance blends without full allergen disclosure.
Microbial contamination (brush applicator)
All mascaras with brush applicators carry risk of bacterial growth in the tube; eye infections from contaminated mascara have been documented in the general population. Risk increases after 3 months of use or if water enters the tube.
Coating degradation and ingredient migration (undisclosed waterproofing polymer)
The undisclosed waterproofing agent's stability, durability, and potential to release monomers or leachables over shelf life or with heat exposure cannot be assessed without formula transparency. Standard cosmetic testing does not mandate stability data disclosure.
What’s reassuring
Heavy metals
No specific contamination alerts on record for Dior mascaras. Iron oxides and titanium dioxide are approved colorants, but sourcing and purity are not independently verified in the public domain.
Source, FDA ↗The full breakdown
The brand's record and disclosure
Dior does not publicly disclose PFAS use or commit to PFAS-free formulation, earning a Poor (30/100) PFAS transparency grade. The brand provides standard cosmetic ingredient lists but omits functional sub-components like waterproofing agents, which is common industry practice but limits consumer verification. No major safety recalls or formulation controversies have been established for this specific mascara line in public databases.
How it compares in its category
Waterproof mascaras typically use synthetic polymers or silicone-based binders; this product's undisclosed waterproofing approach is standard for luxury mascaras but less transparent than mass-market alternatives with named polymers. Many competitors now label water-resistant formulas with disclosed film-forming agents; Dior's silence on mechanism places it below brands that voluntarily name resin and silicone components. The wax and resin base itself is unremarkable for the category.
If you buy it
Patch test behind the ear or on inner eyelid 24 hours before full use, especially if you have sensitive eyes or a history of mascara irritation. Remove with makeup remover or oil-based cleanser; avoid harsh rubbing, which can damage the lash and introduce bacteria. Replace every 3 months after opening to reduce microbial contamination risk, and store with the cap tightly closed. Discontinue immediately if redness, itching, or discharge occurs.
What we don’t know
- Basis
- Model estimate, 35% 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.
Better-graded alternatives in Waterproof Mascara
Burt's Bees
100% Natural Nourishing Mascara, Black Brown
- 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
- pigments, waxes, polymers (unspecified)
- Lead
5 hazards checked on this product. See all of them.
Estée Lauder
Lash Drama Mascara Gift Set
- pigments, waxes, film-formers in liquid mascara
- Heavy metals
5 hazards checked on this product. See all of them.
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.