Check if your laundry detergent is compatible with washable nappies.

Dureté de l’Eau en France
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A reliable simulator to test your laundry detergent

This unique simulator in France , Ma Boule De Couches®, analyzes in seconds whether your laundry detergent is compatible with your baby's washable diapers . The tool is based on the care protocols recommended in 2026 and on feedback from more than 3,500 families using our washable solutions daily.

The compatibility of a laundry detergent directly influences absorbency, insert performance , and residue prevention . This checker provides a clear answer: whether it's recommended for use, potential risks, and practical tips to optimize your routine.

Unlike a simple list of brands, this simulator provides a personalized analysis based on the composition of your laundry detergent and its impact on the washable diaper system. The goal: to guarantee an effective, safe wash that is perfectly suited to washable diapers.
Understanding compatible laundry detergentsKnowing the hardness of my water

1) Search your detergent

How to search properly?

Enter brand + range, or only the brand to see all variants.

2) Result & explanations

Understanding detergent labels
Common incompatibility reasons
  • Soap / glycerin
  • Film-forming agents
  • Homemade soap recipes
Why prefer powder detergents?
  • Higher efficiency
  • Less residue buildup

3) Quick rules & legend

• Prefer universal powders without soap. • Liquids are less efficient. • Red = compatible but inefficient. • Not compatible = soap/glycerin.

Compatibility legend
✅ Powder compatible ▲ Liquid / gel compatible 🟥 Compatible but inefficient ❌ Not compatible

Lists are not exhaustive and evolve based on user feedback.

  • Last updated on 08/22/2025

    lessive couches lavables

    FAQs

    Laundry detergent and washable diapers

    Contact us Join our community
    1. Can I use Marseille laundry detergent?

    No. Soap-based detergents (Marseille, Aleppo, black soap) leave a greasy film on the fibers.

    This deposit reduces the absorbency of washable diapers and promotes long-term soiling.
    2. Should you choose liquid or powder laundry detergent?

    Powdered laundry detergent is recommended.

    It cleans more effectively, rinses better and reduces residue in absorbent textiles.
    3. How much laundry detergent should I use?

    The dose depends on the hardness of your water.

    In hard water, a slightly higher quantity is needed.

    In freshwater, it is best to reduce the dose to avoid excessive foaming.
    4. Are eco-friendly laundry detergents compatible with washable nappies?

    Yes, provided they contain neither soap nor glycerin and are correctly dosed.

    Our Ma Boule De Couches® tester allows you to check their compatibility and adjust the dosage.
    Guide complet des couches lavables Ma Boule De Couches®

    Discover the complete guide to reusable diapers

    Learn everything about TE2 systems, efficient washing routines and real long-term savings. A clear, certified and illustrated guide by Ma Boule De Couches®, designed to support families and childcare professionals.

    Access the complete guide
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