75/ 100
C
OverallC71/100
RMS Beauty Legendary Serum Lipstick Ruby Moon (poppy orange-red)

RMS Beauty · Lipstick

RMS Beauty Legendary Serum Lipstick Ruby Moon (poppy orange-red)

C · Moderate

Lower PFAS concern; serum lipstick formulas typically avoid Teflon-family coating, but verify if you need explicit brand confirmation.

Verdict: BuySerum lipstick formula with no established heavy metal or formaldehyde concerns; brand transparency limited but material class low-risk.

RMS Beauty's Legendary Serum Lipstick uses a wax-oil-pigment base typical of modern serum lipsticks, which do not require Teflon-type coating or Teflon-family coating coatings. The brand does not publicly disclose PFAS information.

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Material

wax, oil, and pigment blend (typical serum 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 is a wax-oil-pigment blend designed to deliver moisture while applying color. Serum lipsticks avoid hard resins and synthetic polymers that create coating-degradation hazards in traditional bullet lipsticks. The poppy orange-red shade relies on synthetic or natural iron oxides and/or mica-based pigments rather than azo dyes, which are common allergens in cheaper formulations. Wax and oil bases are biologically inert at room temperature and pose no leaching risk under normal lip application.

The brand's record and disclosure

RMS Beauty markets itself as clean beauty with emphasis on natural and organic ingredients, but provides limited third-party certifications or heavy-metal testing disclosures on this product. The brand does not publicly address PFAS in formulations or packaging, which is typical of indie/prestige cosmetics but leaves verification gaps. No recalls or regulatory actions for this product or lipstick line are on record. The brand's ingredient lists are available but do not detail pigment suppliers or contaminant screening protocols.

How it compares in its category

Serum lipsticks as a category carry lower formaldehyde and azo-dye risk than traditional long-wear or matte formulas, which often rely on film-forming resins and synthetic colorants. RMS's positioning and price point (luxury indie) suggest higher ingredient scrutiny than mass-market lipsticks, though indie brands vary widely in testing rigor. Compared to conventional brands, serum lipsticks also avoid talc risk, though talc is already rare in modern lipsticks. This product sits mid-to-high confidence within its category due to material simplicity and brand reputation, not third-party verification.

If you buy it

Apply as directed; wax-oil formulas are stable at body temperature and do not require special storage beyond room temperature away from direct heat. Replace after 2-3 years or if color separates or develops rancid odor, which can signal oil oxidation. Do not ingest; like all cosmetics, it is for external use only. If allergic reactions occur (rare with this formula type), discontinue and patch-test ingredients against known allergens.

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 pigments (iron oxides, mica)

Iron oxide and mica-based pigments used in poppy red shades are low-risk when sourced from regulated suppliers. RMS Beauty does not disclose third-party heavy-metal testing; no recalls or reports of contamination are on record for this product line.

Possible

Fragrance allergens

RMS Beauty formulations may include natural fragrance or essential oils common to serum lipsticks. Ingredient disclosure does not specify fragrance components; individuals with fragrance sensitivity should review full ingredient list or patch-test.

None known

Formaldehyde or formaldehyde releasers

Serum lipstick bases (waxes and oils) do not require formaldehyde preservatives. No public reports of formaldehyde in RMS Beauty lipsticks; this hazard class is low-probability for this material type.

None known

Talc or mineral fiber contamination

Modern serum lipsticks, including RMS, typically exclude talc in favor of wax and oil; talc risk is negligible for this product category.

None known

Azo dyes and synthetic color additives

Poppy orange-red shades in serum formulas usually rely on iron oxides, mica, or carmine rather than azo dyes. RMS Beauty marketing suggests preference for safer colorants, though no explicit azo-dye-free certification is provided.

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.