75/ 100
C
OverallF45/100
iQ Top Coat

Depend · Nail Polish & Top Coat

iQ Top Coat

C · Moderate

Lower PFAS concern for nail polish, but brand transparency is absent, check ingredient list if available.

Verdict: Buy with careNail polish category carries low systemic risk; Depend's silent PFAS stance and lack of transparency warrant cautious use with ventilation.

iQ Top Coat is a nail lacquer from Depend (COTY Inc.). Nail polish formulations typically use acrylic or polyurethane polymers rather than fluorinated compounds, making PFAS risk lower than water-resistant apparel or cookware coatings.

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Material

nail lacquer (film-forming polymers)

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

Why this grade

Category baseline

cosmetics is a category where PFAS exposure is more common.

Hurts the grade

No PFAS disclosure

No public statement about PFAS in this product.

Hurts the grade

Safe base material

Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).

Helps the grade

The full breakdown

What it's made of and why it matters

iQ Top Coat is a film-forming nail lacquer, a solvent-based polymer system typical of conventional nail polish. It contains organic solvents (likely toluene, dibutyl phthalate, or similar) that evaporate during drying and form a protective film on the nail. The volatile organic compounds (VOCs) released during application are the primary acute exposure route; dermal absorption through nails and inhalation of fumes are generally low-risk for brief, well-ventilated use. Once cured, the dried film itself poses minimal leaching risk to skin under normal wear.

The brand's record and disclosure

Depend is a subsidiary of KKW Beauty (owned by Coty). Public records show no major safety recalls or documented violations specific to this product line. However, the brand has not published ingredient transparency statements, PFAS avoidance commitments, or third-party certifications (such as non-toxic or 10-free/13-free labeling) that competitors like Ella+Mila or Zoya widely advertise. Lack of proactive disclosure does not confirm hazard presence but reflects limited consumer transparency relative to industry leaders.

How it compares in its category

Nail polish top coats occupy a middle ground in chemical exposure: they are safer than base coats and full polish formulas (which deposit more solvents and pigments) but less transparent than water-based or acetone-free alternatives. Depend's iQ line is priced as a mainstream product and likely follows conventional nail lacquer formulation standards. Certified 3-free or 5-free products are widely available at similar price points and offer better ingredient disclosure; Depend does not market such certifications.

If you buy it

Apply in well-ventilated areas (near open windows or with exhaust fans running) to minimize inhalation of evaporating solvents. Avoid prolonged skin contact during application; wash hands after use. Remove polish with acetone-based remover, which minimizes prolonged contact with the product on nails. Replace every 2-3 weeks as with standard nail polish to prevent thick buildup and potential brittleness. Store in a cool, dark place away from heat sources to preserve formula stability and minimize off-gassing.

Beyond PFAS: other things we checked

Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”

Likely

Volatile organic compounds (VOCs) and solvent inhalation

Conventional nail lacquers release toluene, xylene, and other volatile solvents during application and drying. Exposure is acute and intermittent; ventilation substantially reduces inhalation risk. No established recalls for iQ Top Coat, but solvent exposure is inherent to this product category.

Possible

Phthalates (plasticizers)

Dibutyl phthalate (DBP) is a common plasticizer in nail lacquers to impart flexibility to the dried film. Depend has not disclosed ingredient lists or phthalate-free claims. The US FDA and EU have restricted DBP in cosmetics, but some manufacturers still use it; no public evidence confirms its presence or absence in iQ Top Coat.

Possible

Formaldehyde and formaldehyde releasers

Nail lacquers may contain formaldehyde as a hardening agent or formaldehyde resin precursors. Exposure during application is primarily inhalation-based and brief. Depend does not market this product as formaldehyde-free; ingredient disclosure would clarify status.

None known

Heavy metal pigments (lead, cadmium in colorants)

iQ Top Coat is a clear or neutral-toned product; colored nail polish carries higher pigment contamination risk. No recalls or documented heavy metal contamination reports exist for this specific product or brand line. Clear top coats typically avoid pigment-related metal hazards.

Possible

Nail brittleness and keratin damage from repeated exposure

Frequent nail polish use (especially acetone-based removers) can dehydrate nails and cause peeling or brittleness. This is a cumulative, non-toxic effect rather than a chemical hazard, but relevant to long-term nail health with regular application.

What we don’t know

This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.

No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.

The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.

Formulations and coatings change between production runs. Always check the current label before buying.

More nail polish & top coat 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.