Leather Lotion 4.0 oz vs HighTech Nano Protector Spray: which is safer?

Merrell Leather Lotion 4.0 oz is our pick: better on PFAS and on the overall hazard picture.

Our pick

Merrell

Leather Lotion 4.0 oz

PFAS grade

D 65/100

Overall grade

F 43/100

Verdict

Skip

Hazard flags

⚑ 4

Material

Leather conditioning lotion, composition unspecified

Confidence

45%

ReportedFormulation transparency / undisclosed ingredients

PossibleSkin irritation / sensitization from fragrance or additives

PossibleVolatile organic compounds (VOC) during application

Why this grade

Tarrago

HighTech Nano Protector Spray

PFAS grade

F 25/100

Overall grade

F 13/100

Verdict

Skip

Hazard flags

⚑ 3

Material

Proprietary nano-coating, unspecified Teflon-family coating or hydrophobic polymer

Confidence

35%

PossibleVolatile Organic Compounds (VOCs) from spray application

PossibleRespiratory irritation or skin sensitization from aerosolized nanoparticles

PossibleCoating degradation and microplastic shedding over time

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 stain-resistant footwear: see the full ranking