Lily Menstrual Cup A vs Steriliser Purple: which is safer?
Ruby Cup Steriliser Purple is our pick: better on PFAS and on the overall hazard picture.
Intimina
Lily Menstrual Cup A
PFAS grade
C 70/100
Overall grade
F 58/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Medical-grade silicone (primary material)
Confidence
72%
PossibleResidual silicone monomers and oligomers
PossibleBacterial growth if stored wet or contaminated
PossibleAllergic reaction to silicone (rare)
Our pick
Ruby Cup
Steriliser Purple
PFAS grade
B 80/100
Overall grade
C 72/100
Verdict
Buy
Hazard flags
⚑ 2
Material
stainless steel steriliser/heating element
Confidence
72%
PossibleElectrical safety (heating element corrosion)
PossiblePlastic or silicone seals/gaskets degradation
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 menstrual cups: see the full ranking