Comparison numbers

	17	Products researched
	6	Research hours
	250	Readers
	0	Customer ratings

Best Wash-in Waterproofers

Waterproofing Detergent Comparison 2026

Sort & Filter

Best Product

simprax Wash-In

simprax Wash-In

Amazon

Bestseller

Mountval waterproofing detergent

Mountval waterproofing detergent

Amazon

Nikwax wash-in waterproofer

Nikwax wash-in waterproofer

Amazon

Grangers GRF74

Grangers GRF74

Amazon

RatingHow we compare

Customer rating (from Amazon)

Available at

Manufacturer

Quantity

Minimum temperature

Suitable for hand washing

Number of treatments

PFC-free

Dirt protection

Preserves the lotus effect

Membrane protection

Advantages

Shipping (Amazon)

Best Product

Best Product

simprax Wash-In

Rating

1

simprax Wash-In

Customer rating

no reviews

Amazon

Available at

see vendordays

see vendordays9.999.99$

Manufacturer

simprax

Quantity

500 ml

Minimum temperature

No information

Suitable for hand washing

Number of treatments

5

PFC-free

Dirt protection

Preserves the lotus effect

Membrane protection

Advantages

Is rain-repellent
No perfluorocarbons
Effective at preventing re-freezing

Shipping (Amazon)

see vendor

Amazon

Bestseller

Bestseller

Mountval waterproofing detergent

Rating

2

Mountval waterproofing detergent

Customer rating

no reviews

Amazon

Available at

see vendordays

see vendordays

Manufacturer

Quantity

315 ml

Minimum temperature

Suitable for hand washing

Number of treatments

7

PFC-free

Dirt protection

Preserves the lotus effect

Membrane protection

Advantages

With lotus effect
Effective at preventing re-freezing
Comes with membrane protection

Shipping (Amazon)

see vendor

Amazon

Nikwax wash-in waterproofer

Rating

3

Nikwax wash-in waterproofer

Customer rating

no reviews

Amazon

Available at

see vendordays

see vendordays

Manufacturer

Nikwax

Quantity

300 ml

Minimum temperature

20 °C

Suitable for hand washing

Number of treatments

3

PFC-free

Dirt protection

Preserves the lotus effect

Membrane protection

Advantages

Shipping (Amazon)

see vendor

Amazon

Rating

4

Grangers GRF74

Customer rating

no reviews

Amazon

Available at

see vendordays

see vendordays00$

Manufacturer

Grangers

Quantity

300 ml

Minimum temperature

Suitable for hand washing

Number of treatments

PFC-free

Dirt protection

Preserves the lotus effect

Membrane protection

Advantages

Shipping (Amazon)

see vendor

Amazon

Similar categories

Laundry products

Laundry products

Dryer ball

Open comparison

Laundry products

Laundry products

Liquid laundry detergent

Open comparison