They contain 100% natural ingredients: 3 essential oils (rosemary, clove, lavender) in active microcapsules. When the ribbon is contacted with the hair microcapsules gradually break HEW release their contents lice, leaving hair clean. The discreet and pleasant smell of essential oils repels lice and prevents contamination.
One size.
The anti-lice efficacy is maintained up to 30 washes.