All Free Clear Mighty Pacs are 100% free of perfumes and dyes with concentrated cleaning power in a convenient pac. All Free Clear is the #1 recommended detergent brand by dermatologists, allergists, and pediatricians for sensitive skin. These hypoallergenic Mighty Pacs are tough on stains, gentle on skin. All Free Clear Mighty Pacs are safe to use in any washing machine and at any water temperature.