Pure Color 21X Nail Lacquer vs Basecoat & Sealer Nail Polish: which is safer?

Piggy Paint Basecoat & Sealer Nail Polish is our pick, better on PFAS and on the overall hazard picture.

butter LONDON Pure Color 21X Nail Lacquer

Butter London

Pure Color 21X Nail Lacquer

PFAS grade

Excellent 75/100

Overall grade

Good 59/100

Verdict

Skip

Hazard flags

⚑ 3

Material

Organic solvent-based nail lacquer (typical formulation)

Confidence

45%

PossibleVolatile Organic Compounds (VOCs) and respiratory irritation

PossibleDibutyl phthalate (DBP) exposure

PossibleSkin sensitization from fragrance and resins

Our pick

Piggy Paint Basecoat & Sealer Nail Polish

Piggy Paint

Basecoat & Sealer Nail Polish

PFAS grade

Excellent 100/100

Overall grade

Excellent 82/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Water-based organic pigments and plant-derived resins

Confidence

82%

PossibleHeavy metals in organic pigments

ReportedVolatile organic compounds (VOCs) from solvents

PossibleBacterial or fungal growth in water-based formula

Where these two actually differ

  • We flag Volatile Organic Compounds (VOCs) and respiratory irritation, Dibutyl phthalate (DBP) exposure and Skin sensitization from fragrance and resins on the Butter London and not on the Piggy Paint.
  • We flag Heavy metals in organic pigments, Volatile organic compounds (VOCs) from solvents and Bacterial or fungal growth in water-based formula on the Piggy Paint and not on the Butter London.
  • The Butter London is Organic solvent-based nail lacquer (typical formulation) where the Piggy Paint is Water-based organic pigments and plant-derived resins, which is most of the difference in these two grades.
  • The gap is 25 points, wide enough that this is not a close call, and the Piggy Paint is the one to buy.
  • We are less certain about the Butter London grade, at 45% confidence against 82%, because it discloses less.

Both products run through the same public rubric, which covers materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →

More nail polish & top coat, see the full ranking