Dry Carpet Cleaner vs Scotchgard Rug & Carpet Protector 4406-17 PF: which is safer?

HOST Dry Carpet Cleaner is the clear pick. Scotchgard Rug & Carpet Protector 4406-17 PF carries a failing PFAS grade, and we never recommend buying a failing product.

Our pick

Host

Dry Carpet Cleaner

PFAS grade

C 75/100

Overall grade

F 59/100

Verdict

Buy

Hazard flags

⚑ 4

Material

Enzymatic granules, mineral-based absorbers

Confidence

72%

PossibleEnzyme inhalation and respiratory irritation

PossibleSilica or diatomaceous earth particle inhalation

PossibleCarpet fiber degradation from enzyme overuse

Why this gradeBuy

Host

Scotchgard Rug & Carpet Protector 4406-17 PF

PFAS grade

F 30/100

Overall grade

F 0/100

Verdict

Skip

Hazard flags

⚑ 5

Material

proprietary stain/water-resistant coating, unspecified chemistry

Confidence

35%

LikelyVolatile organic compounds (VOC) and solvent exposure

LikelyPerfluorinated compound (PFAS) bioaccumulation and environmental persistence

PossibleFormaldehyde-releasing resins in carpet binding

Why this grade

Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →

More carpet & rug protector sprays: see the full ranking