So many readers have reached out to get the negative ion clothes which help in adjusting pH levels to slightly alkaline (optimal!), so now I am writing a post to share what is the best way to take care of the negative ion clothes so they can continue to generate negative static for a lifetime! PS: Nefful Negative Ion material is damaged at high heat (>60 degrees celcius) so avoid heating your items! If you find your negative ion clothes have shrunk/hardened, it is very likely to have interacted with high heat and the material’s ability to create negative static is likely to be compromised. 1) Cleaning and Maintenance – Clothing Can wash in washing machine. To prevent fraying, please wash in laundry net and slower spin. (Cold/Room temperature water – Temperature below 40℃) No Ironing Can hand dry by twisting or using machine slow spin No bleeching or external chemicals. Recommended to use Nefful Bio-clean detergent.  Do not use Dryer to dry Air dry in cool place. Avoid hanging on metal rods which may heat up in sun and …