RMS Beauty · Waterproof Mascara
rms beauty Straight Up Volumizing Mascara- Travel Size
Lower-concern cosmetic; no known PFAS triggers, but brand makes no disclosure.
RMS Beauty's mascara uses conventional wax-and-resin formulas without waterproofing claims that would suggest PFAS coatings. The brand does not publicly disclose PFAS sourcing or testing. Mascara formulations rarely contain intentional PFAS, but independent lab verification would strengthen confidence.
Shop RMS Beauty on Amazon →Material
wax, film-forming resins, pigments (typical mascara)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
cosmetics is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
RMS Straight Up Volumizing Mascara is a wax-based formula typical of waterproof mascaras, combining waxes (likely beeswax or synthetic analogs) with film-forming resins to create a water-resistant coating on lashes. The pigmentation comes from iron oxides and possibly mica, both inert mineral colorants with low toxicity risk in cosmetics. Waterproof formulas in this class do not typically require Teflon-type coating (Teflon) or silicone-heavy systems, reducing specific chemical exposure compared to older waterproof technologies.
The brand's record and disclosure
RMS Beauty markets itself as a clean-beauty brand focused on natural and non-toxic ingredients. The brand does not currently disclose PFAS content or absence publicly, reflecting broader industry silence on the issue; however, no recalls or toxicity incidents have been documented for this product. RMS publishes ingredient lists transparently on product pages and does not use known problematic preservatives like formaldehyde releasers, which is consistent with its positioning and available documentation.
How it compares in its category
Waterproof mascaras span a wide safety spectrum. RMS's wax-based approach is chemically simpler than synthetic-polymer-heavy formulas from mass-market brands, reducing off-gassing and irritant potential. The travel size format (typically 3-5 mL) has a shorter shelf life in use, meaning lower risk of formula degradation or bacterial colonization compared to full-size tubes used over many months. Compared to mascaras with undisclosed fragrance blends or talc fillers, RMS's transparency and mineral pigment choice position it favorably.
If you buy it
Replace mascara every 3 months after opening to prevent bacterial buildup and formula separation. Store the travel size away from heat and direct sunlight to prevent wax bloom or resin breakdown. Do not use if you experience eye irritation, redness, or swelling; waterproof formulas can trap bacteria if not removed properly with makeup remover. Remove thoroughly each evening with gentle cleansing oil or micellar water to prevent lash brittleness.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Talc contamination in pigments
RMS Beauty does not use talc as a filler in this product. Iron oxide and mica are the disclosed colorants, which do not carry talc contamination risk.
Formaldehyde-releasing preservatives
No formaldehyde donors (DMDM hydantoin, imidazolidinyl urea) have been documented in RMS Beauty mascaras; the brand's clean-beauty positioning explicitly excludes these preservatives.
Heavy metals in pigments (lead, cadmium, chromium)
Iron oxides and mica used in RMS products are natural minerals with low heavy-metal uptake if sourced and refined to cosmetic grade. No lead or cadmium contamination has been reported for this brand.
Fragrance allergens and undisclosed fragrance components
While RMS does not advertise added fragrance in this product, waterproof wax formulas may contain residual aromatic compounds from wax processing or botanical ingredients. Individuals with fragrance sensitivity should patch-test on skin before full eye application.
Bacterial growth if formula stored improperly or past replacement date
All mascara formulas are at risk for bacterial colonization if stored in warm, humid environments (bathrooms) or used beyond 3 months. Travel size compact design can trap moisture; replace promptly if formula appears separated, clumpy, or smells off.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
More waterproof mascara grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.