Flaxstic Compostable Phone Case vs 25+ RhinoShield Cell Phone Cases, Covers & Skins for sale: which is safer?
Flaxstic Compostable Phone Case is our pick, better on PFAS and on the overall hazard picture.
Our pick
Pela
Flaxstic Compostable Phone Case
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleCoating degradation and durability over time
PossibleAllergic contact dermatitis from plant fiber or resin
RhinoShield
25+ RhinoShield Cell Phone Cases, Covers & Skins for sale
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossiblePlasticizer and additive leaching (phthalates, BPA, or alternative esters)
ReportedPolymer degradation and microplastic shedding
PossibleColorant and stabilizer toxicity
Where these two actually differ
- We flag Coating degradation and durability over time and Allergic contact dermatitis from plant fiber or resin on the Pela and not on the RhinoShield.
- We flag Plasticizer and additive leaching (phthalates, BPA, or alternative esters), Polymer degradation and microplastic shedding, Colorant and stabilizer toxicity and Contact dermatitis or skin irritation from additives on the RhinoShield and not on the Pela.
- The Pela is Flax fiber and plant-based resin blend, compostable where the RhinoShield is Thermoplastic polyurethane (TPU) and polycarbonate blend, which is most of the difference in these two grades.
- The gap is 25 points, wide enough that this is not a close call, and the Pela is the one to buy.
- We are less certain about the RhinoShield grade, at 45% confidence against 92%, 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 waterproof phone cases, see the full ranking