... inside material- No cloth damage- No skin trouble out of detergent- 80% reduction on washing powder- Antibiotic and Sterilization (99.9 ... the use of harsh chemicals. The balls are powerful, foamless, fresh, reusable, detergent free, soap free, no harsh chemical, no Phosphorus, Boron ... keeps the ph spectrum at the level that ordinary chemical detergent has, and it helps to remove oil-dirt from clothes ...