Rubylove First Period Kit +teen Period Underwear vs Leakproof Cotton Brief Saalt: which is safer?
Rubylove First Period Kit +teen Period Underwear is the clear pick. Leakproof Cotton Brief Saalt carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
Ruby Love
Rubylove First Period Kit +teen Period Underwear
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleCoating degradation and microparticle shedding
PossibleBacterial or fungal growth if improperly stored
Saalt
Leakproof Cotton Brief Saalt
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleWaterproof barrier composition (unknown polymer type)
PossibleSynthetic fiber degradation and microplastics
PossibleAdhesives or chemical treatments in seam construction
Where these two actually differ
- We flag Coating degradation and microparticle shedding and Bacterial or fungal growth if improperly stored on the Ruby Love and not on the Saalt.
- We flag Waterproof barrier composition (unknown polymer type), Synthetic fiber degradation and microplastics, Adhesives or chemical treatments in seam construction and Skin irritation from barrier material or residual processing chemicals on the Saalt and not on the Ruby Love.
- The Ruby Love is organic cotton, waterproof backing layer where the Saalt is organic cotton with waterproof barrier layer (unspecified), which is most of the difference in these two grades.
- The gap is 75 points, wide enough that this is not a close call, and the Ruby Love is the one to buy.
- We are less certain about the Saalt 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 period underwear, see the full ranking