Soulgazer Lengthening Mascara + Lash Serum in 1 for Sensitive Eyes | Hypnotize - black vs Straight Up Volumizing Peptide Mascara | RMS BEAUTY: which is safer?
Straight Up Volumizing Peptide Mascara | RMS BEAUTY is our pick: better on PFAS and on the overall hazard picture.
Kosas
Soulgazer Lengthening Mascara + Lash Serum in 1 for Sensitive Eyes | Hypnotize - black
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleFormaldehyde releasers and preservatives
Possible1,4-dioxane (contaminant in emulsifiers and surfactants)
PossibleFragrance allergens and sensitizers
Our pick
RMS Beauty
Straight Up Volumizing Peptide Mascara | RMS BEAUTY
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
Possible1,4-dioxane (solvent contaminant)
PossibleEye irritation from formula or preservative system
PossibleBacterial or fungal growth if brush contaminated
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 waterproof mascara: see the full ranking