Memoi Women's Love Luna First Shortie Period Brief Panty vs Rubylove First Period Kit +teen Period Underwear: which is safer?
Rubylove First Period Kit +teen Period Underwear is our pick: better on PFAS and on the overall hazard picture.
Love Luna
Memoi Women's Love Luna First Shortie Period Brief Panty
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleAzo dyes in synthetic components or absorbent layers
PossibleFormaldehyde in textile resins or finishing treatments
PossibleAntimony in polyester synthetic components
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
Where these two actually differ
- We flag Azo dyes in synthetic components or absorbent layers, Formaldehyde in textile resins or finishing treatments, Antimony in polyester synthetic components and Microplastic shedding from synthetic backing or elastic on the Love Luna and not on the Ruby Love.
- We flag Coating degradation and microparticle shedding and Bacterial or fungal growth if improperly stored on the Ruby Love and not on the Love Luna.
- The Love Luna is organic cotton, modal blend with gusset absorbent layers where the Ruby Love is organic cotton, waterproof backing layer, which is most of the difference in these two grades.
- The gap is 30 points, wide enough that this is not a close call, and the Ruby Love is the one to buy.
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 underwear: see the full ranking