Is Helix Sleep PFAS-free?
Across 8 graded products, Helix Sleep averages F (64/100). On disclosure, the brand says nothing publicly about PFAS. 6 of its products grade C or better. Grades are model-based estimates, not lab results.
Worth buying from Helix Sleep C or better, safest first
Helix Sleep
Helix Tencel Sheet Set
Tencel (lyocell) fiber sheets
Lower PFAS concern; no chemical treatment typical in base fiber, but brand lacks transparency.
⚠Risky category by default
Helix Sleep
Sleep Outfitters Helix Cotton Blend Sheet Set
Cotton blend (primary), no Teflon-family coating or water-repellent coating disclosed
Lower concern, untreated cotton-blend sheets are unlikely PFAS sources, but brand provides no explicit statement.
⚠Risky category by default
Helix Sleep
SHEEX Original Performance Sheet Set
Polyester blend performance sheet fabric
Lower PFAS concern for a polyester sheet set with no waterproofing claims, but brand discloses nothing.
⚠Risky category by default
Helix Sleep
Beautyrest 1000 Thread Count HeiQ Smart Temperature Cotton Blend 4 Piece Sheet Set
Cotton blend with HeiQ Smart Temperature technology
Lower concern; untreated cotton-blend sheets with no known water-repellent coating/stain-resistant coatings, but brand discloses nothing about PFAS.
⚠Risky category by default
Helix Sleep
HSD Simplicity Helix Wavy Stripe Blue-Orange-Grey Top Sheet T-200, 100% Polyester
100% polyester (untreated)
Lower concern, untreated polyester sheet, but no brand transparency on any finish.
⚠Risky category by default
Helix Sleep
HSD Simplicity Helix Wavy Stripe Lime-Navy-White Top Sheet T-200, 100% Polyester
100% polyester (untreated top sheet)
Lower concern, plain polyester sheet with no coating claims, but brand transparency on PFAS absent.
⚠Risky category by default
Graded and flagged D and F, we’d swap these
Helix Sleep
Sleep Outfitters Helix Cooling Mattress Protector
polyester fabric with waterproof water-repellent coating
Skip until brand discloses coating chemistry; waterproof mattress protectors commonly use PFAS-based water-repellent coating finishes.
⚠Waterproof or stain-proof treatment
Helix Sleep
Evercool + Cooling Sheet Set
Polyester blend with moisture-wicking treatment (coating unspecified)
Skip until brand discloses moisture-wicking treatment chemistry, PFAS is common in performance textiles.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →