100% Natural Nourishing Mascara, Black Brown vs ColorStay Xtensionnaire Mascara: which is safer?
Burt's Bees 100% Natural Nourishing Mascara, Black Brown is the clear pick. Revlon ColorStay Xtensionnaire Mascara carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
Burt's Bees
100% Natural Nourishing Mascara, Black Brown
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleFragrance allergens and undisclosed sensitizers
PossibleBacterial growth and contamination in wax formula
Revlon
ColorStay Xtensionnaire Mascara
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
LikelyUndisclosed waterproofing agents (potential PFAS or siloxanes)
PossibleFragrance allergens and irritants in the formula
ReportedBacterial contamination and infection risk
Where these two actually differ
- We flag Fragrance allergens and undisclosed sensitizers and Bacterial growth and contamination in wax formula on the Burt's Bees and not on the Revlon.
- We flag Undisclosed waterproofing agents (potential PFAS or siloxanes), Fragrance allergens and irritants in the formula, Bacterial contamination and infection risk and Polymer film brittleness and flaking on the Revlon and not on the Burt's Bees.
- The Burt's Bees is Wax, pigments, natural oils (typical mascara base) where the Revlon is wax, polymers, waterproofing agents, which is most of the difference in these two grades.
- The gap is 45 points, wide enough that this is not a close call, and the Burt's Bees is the one to buy.
- We are less certain about the Revlon grade, at 45% confidence against 78%, because it discloses less.
Both products run through the same public rubric: 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 waterproof mascara: see the full ranking