O.b Pro Comfort Super Plus 16 pad vs Overnight Ultra Thin Pads with Wings: which is safer?

O.b Pro Comfort Super Plus 16 pad is the clear pick. Poise Overnight Ultra Thin Pads with Wings carries a failing PFAS grade, and we never recommend buying a failing product.

Our pick

O.b Pro Comfort Super Plus 16 pad

OB

O.b Pro Comfort Super Plus 16 pad

PFAS grade

Good 70/100

Overall grade

Good 52/100

Verdict

Buy

Hazard flags

⚑ 3

Material

rayon/viscose, cotton, and gelling polymers

Confidence

78%

PossibleMicroplastic shedding or degradation

ReportedIrritation or allergic sensitization from adhesive or synthetic fibers

PossibleBacterial growth or contamination from prolonged moisture

Poise Overnight Ultra Thin Pads with Wings

Poise

Overnight Ultra Thin Pads with Wings

PFAS grade

Poor 25/100

Overall grade

Bad 0/100

Verdict

Skip

Hazard flags

⚑ 5

Material

Cellulose core with synthetic polymer topsheet and waterproof backing

Confidence

45%

LikelyFluorochemicals (PFAS) in waterproof backing

PossibleSkin irritation and contact dermatitis from topsheet and adhesives

PossibleCellulose degradation and fiber shedding

Where these two actually differ

  • We flag Microplastic shedding or degradation, Irritation or allergic sensitization from adhesive or synthetic fibers and Bacterial growth or contamination from prolonged moisture on the OB and not on the Poise.
  • We flag Fluorochemicals (PFAS) in waterproof backing, Skin irritation and contact dermatitis from topsheet and adhesives, Cellulose degradation and fiber shedding and Chlorine and bleaching residues in cellulose on the Poise and not on the OB.
  • The OB is rayon/viscose, cotton, and gelling polymers where the Poise is Cellulose core with synthetic polymer topsheet and waterproof backing, 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 OB is the one to buy.
  • We are less certain about the Poise 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 period pads: see the full ranking