Easily repel dust mites with your usual laundry routine*. You don't need to do anything special. This is a dust mite repellent detergent recommended by experts. *Regarding the dust mite repellent effect. Use it on your everyday cotton materials, bedding, cotton sweatshirts, stuffed animals, towels, etc. Dermatologist-supervised, skin tested**. **Not guaranteed to be non-irritating for all skin types. With the same cleaning power, deodorizing power, and anti-odor power of Ariel and Lenor, you can also repel dust mites* with your regular laundry. *Repels indoor dust mites. Not effective on all mites or materials. Detergent is for single rinse washes. Detergent and fabric softener make cotton materials (excluding very thin fabrics) less attractive to dust mites.