75/ 100
C
OverallF63/100
gel pencil eyeliner | r.e.m. beauty by Ariana Grande knee socks

RMS Beauty · Eyeliner

gel pencil eyeliner | r.e.m. beauty by Ariana Grande knee socks

C · Moderate

Lower concern for standard cosmetic pencil; no known PFAS triggers, but no transparency.

Verdict: BuyStandard gel pencil eyeliner with no established safety red flags; RMS Beauty lacks transparency on PFAS but product category poses minimal exposure risk.

Gel pencil eyeliners typically use wax, pigment, and conventional polymers rather than fluorinated coatings. REM Beauty does not publicly disclose PFAS-related claims or testing for this product.

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Material

Gel pencil eyeliner (standard pigment, wax, polymer binders); knee socks (textile fiber)

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

Gel pencil eyeliners typically contain wax (paraffin or plant-based), pigments (iron oxides, mica, synthetic colorants), and polymer binders that allow smooth application and wear. The gel matrix is designed to adhere to the eyelid without flaking while remaining removable with standard makeup remover. RMS Beauty markets this line with an emphasis on clean formulation, though the specific pigment sources and binder polymers are not publicly detailed. For a product applied directly to sensitive eye tissue, the key concern is irritant potential and heavy metal content in pigments rather than leaching or migration.

The brand's record and disclosure

RMS Beauty is positioned as a clean beauty brand with emphasis on natural and non-toxic ingredients, but does not publish full ingredient sourcing, third-party safety testing results, or heavy metal screening data. The brand has not made public statements on PFAS use or avoidance in formulations. No major safety recalls or cosmetic adverse event reports are documented for RMS Beauty eyeliner products in FDA records. The brand's transparency lags behind competitors offering certificates of analysis or heavy metal testing.

How it compares in its category

Gel pencil eyeliners are considered lower migration risk than liquid or cream formulas because the solid wax matrix minimizes contact with skin beyond the application line. RMS Beauty's offering sits in the mid-premium segment alongside brands like Glossier and Fenty; it lacks the third-party certifications (e.g., COSMOS, EWG Verified) that some competitors advertise. Standard drugstore pencil eyeliners have similar material profiles but often rely on lower-cost synthetic pigments with less documented provenance.

If you buy it

Store the pencil in a cool, dry place to prevent wax softening and product degradation. Sharpen with a clean, dedicated sharpener before each use to minimize bacterial contamination at the tip. Remove with a gentle makeup remover or micellar water; do not leave the product on the eyelid overnight, as prolonged contact can irritate sensitive skin or lead to folliculitis. Replace the pencil every 3 months or if you notice discoloration, hardening, or any sign of microbial growth; do not share applicators with others to prevent eye infections.

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.”

Possible

Heavy metals in pigments (lead, cadmium, arsenic)

Gel eyeliners use synthetic iron oxide pigments and mica that can carry trace heavy metals if sourced from uncontrolled suppliers. RMS Beauty does not publicly disclose pigment testing or maximum limits, making it impossible to verify compliance with cosmetic safety limits.

None known

Formaldehyde or formaldehyde releasers in binders

No documented formaldehyde use in modern gel pencil eyeliners; this hazard is relevant to nail products and textiles, not this category. RMS Beauty's clean positioning suggests avoidance, but lack of full ingredient disclosure prevents absolute confirmation.

Possible

Fragrance allergens or undisclosed fragrance compounds

Some gel eyeliners include fragrance or essential oils for sensory appeal; RMS Beauty does not clearly specify fragrance ingredients. Fragrance can trigger contact dermatitis or allergic reactions on the sensitive periocular skin, especially in individuals with pre-existing sensitivities.

Possible

Bacterial or fungal contamination from sharpening or use

Gel pencil eyeliners are applied near the eye margin and waterline, where bacteria can cause infection (folliculitis, conjunctivitis). Risk increases if the pencil is shared, sharpened with unclean tools, or stored in moist environments; RMS Beauty packaging provides no guidance on hygiene or storage.

None known

Polymer binder leaching or migration under eye moisture

The wax-polymer matrix is designed to resist eye moisture and tear fluid. No established safety data suggests significant migration into the eye or systemic absorption, though extended wear or products applied to the waterline theoretically increase skin exposure time.

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 eyeliner 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.