75/ 100
C
OverallC71/100
RMS Beauty Legendary Serum Lipstick

RMS Beauty · Lipstick

RMS Beauty Legendary Serum Lipstick

C · Moderate

Lower-concern cosmetic; no red flags, but no PFAS transparency from brand.

Verdict: BuyNatural-wax lipstick with no documented heavy metal, formaldehyde, or talc concerns; brand transparency limited but product class carries minimal systemic risk.

RMS Beauty's Legendary Serum Lipstick is formulated with natural waxes and oils without reported Teflon-family coating or nonstick coatings, presenting lower PFAS risk typical of conventional lipsticks. The brand does not disclose PFAS status or hold third-party PFAS certifications.

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Material

Natural waxes, oils, pigments (standard lipstick base)

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.

Hurts the grade

No PFAS disclosure

No public statement about PFAS in this product.

Hurts the grade

Safe base material

Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).

Helps the grade

The full breakdown

What it's made of and why it matters

RMS Beauty Legendary Serum Lipstick uses a base of natural waxes (beeswax, candelilla wax) and plant oils (jojoba, castor) rather than synthetic polymers or petroleum distillates. This formulation avoids Teflon-type coating (Teflon), phenoxyethanol, and synthetic fragrance blends common in conventional lipsticks. Pigments are listed as iron oxides and mica, both mineral-grade colorants with low systemic toxicity. The "serum" positioning reflects high oil content, which may increase transfer but poses no chemical safety trade-off.

The brand's record and disclosure

RMS Beauty markets itself as clean beauty and emphasizes natural ingredients; the brand holds no formal third-party certifications (USDA organic, EWG, cruelty-free badge) publicly visible. Ingredient transparency on their website is standard but does not extend to PFAS, heavy metal testing, or supply chain sourcing detail. No major recalls or safety controversies are documented in FDA or CPSC records. The brand's silence on PFAS testing reflects a gap in transparency rather than evidence of contamination.

How it compares in its category

Natural-wax lipsticks occupy a lower-risk segment compared to conventional formulas, which often contain synthetic dyes, plasticizers, and film-formers. RMS sits in the premium natural category alongside brands like Ilia and Kosas; all three rely on similar wax-and-oil bases and avoid talc. Compared to drugstore lipsticks (which may contain mica-coated with bismuth oxychloride or talc), RMS carries less respiratory or heavy-metal exposure risk, though the price premium reflects marketing more than chemical advantage.

If you buy it

Lipstick is applied topically and ingested in trace amounts; natural-wax formulas degrade slightly faster than synthetic ones, so monitor the bullet for crumbling or rancid smell after 18-24 months. Store upright in a cool place to prevent bloom (discoloration from oil separation). If you have a sensitive lip barrier, the high oil content may cause migration or feathering; test on inner lip first. No heat, storage, or maintenance precautions beyond standard lipstick care are needed.

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.”

None known

Heavy metals in iron oxide pigments

Iron oxides and mica used in RMS products are cosmetic-grade and regulated under FDA Part 82; no lead, cadmium, or arsenic contamination has been reported in this brand or product line.

None known

Talc contamination and asbestos risk

RMS explicitly excludes talc from this formula; mica is used instead. No talc-related safety concerns apply.

None known

Formaldehyde-releasing preservatives

Natural-wax and oil-based lipsticks have low water content and do not require formaldehyde releasers (DMDM hydantoin, imidazolidinyl urea); RMS does not list these in disclosed ingredients.

Possible

Fragrance allergen load

RMS Legendary Serum is unscented or very lightly scented per brand description, minimizing fragrance allergen exposure. However, essential oils in the wax-oil base (e.g., from jojoba or castor) may trigger contact dermatitis in sensitive users.

None known

Microplastic or synthetic polymer ingestion

Natural-wax and oil formulas do not contain microbeads, glitter, or synthetic film-formers; the product poses no microplastic risk even when ingested through normal lip balm use.

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 lipstick 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.