Crep Protect Spray vs Fabric & Leather Duo-Pack: which is safer?

Where these two actually differ

• We flag Volatile organic compounds (VOCs) and solvent inhalation, Skin and respiratory sensitization from fragrance or residual chemicals, Microplastic or particulate shedding into groundwater during wear and washing and Bioaccumulation and persistence in the environment (PFAS-related, context only) on the Crep Protect and not on the Nikwax.
• We flag Volatile organic compounds (VOCs) in spray carrier, Skin or eye irritation from direct contact and Residue buildup on treated materials over time on the Nikwax and not on the Crep Protect.
• The Crep Protect is Proprietary water/stain repellent spray coating where the Nikwax is Fabric and leather waterproofing treatment (wax-based), which is most of the difference in these two grades.
• The gap is 25 points, wide enough that this is not a close call, and the Nikwax is the one to buy.
• We are less certain about the Crep Protect grade, at 35% confidence against 62%, because it discloses less.