Carpet Cleaner Solution and Stain Remover Pretreatment Spray vs Waterproofing Wax for Leather: which is safer?

Where these two actually differ

• We flag PFAS in water-repellent coatings (fluorinated compounds), Surfactant skin and eye irritation, Volatile organic compounds (VOCs) from solvent carriers or fragrance and Enzyme allergen sensitization with repeated use on the Hoover and not on the Nikwax.
• We flag Respiratory irritation or fume inhalation during application and PFAS in water repellency treatment on the Nikwax and not on the Hoover.
• The Hoover is aqueous cleaning solution with surfactants and stain-fighting agents where the Nikwax is wax-based waterproofing, which is most of the difference in these two grades.
• We are less certain about the Hoover grade, at 35% confidence against 78%, because it discloses less.