Here are some of the top brands' contacts
Kiara Sky: https://kiarasky.com/pages/warranty
IGel Beauty: https://www.igelbeauty.com/pages/technical-support-faq
Kupa: https://www.kupainc.com/pages/warranty-register
https://www.kupainc.com/pages/contact-us
Cre8tion: https://www.cre8tionproducts.com/customer-satisfaction support@cre8tionproducts.com