303 Fabric Guard vs Griot's Interior Detailer: which is safer?

Griot's Interior Detailer is the clear pick. 303 Fabric Guard carries a failing PFAS grade, and we never recommend buying a failing product.

303 Fabric Guard

Flectalon

303 Fabric Guard

PFAS grade

F 45/100

Overall grade

F 5/100

Verdict

Skip

Hazard flags

⚑ 5

Material

Fabric treatment/coating, proprietary

Confidence

35%

LikelyPFAS (fluorinated repellent chemistry)

PossibleInhalation risk from spray application

PossibleSkin sensitization or irritation

Why this grade

Our pick

Griot's Interior Detailer

Griot's Garage

Griot's Interior Detailer

PFAS grade

A 100/100

Overall grade

A 92/100

Verdict

Buy

Hazard flags

⚑ 2

Material

water-based detergent/cleaner concentrate

Confidence

72%

PossibleSurfactant irritation (skin and eye contact)

PossibleMicrobial growth in diluted solution

Why this gradeBuy

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 fabric treatment sprays: see the full ranking