Easy dust mite repellent with your usual laundry routine*. You don't need to do anything special. This is a dust mite repellent detergent recommended by experts. *Regarding dust mite repellent effects. 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 usual laundry. *Repels indoor dust mites. Not effective on all dust mites or materials. Detergent is for one-rinse washes. Detergent and fabric softener make cotton materials (excluding very thin fabrics) less attractive to dust mites.