Mail-in Address:
19528 Ventura Blvd, Box #583
Tarzana, CA, 91356
United States
Negative Lab does not have a storefront.
Contact Us
Please see our FAQ for questions about negative return shipping.
We'd love to hear from you! We’re a small lab. The best way to reach us is via email or Instagram DMs.
If you are writing to inquire about the status of your order, please include your order number in the subject line. Due to the number of emails we receive, we will not respond to inquires that are still within the estimated turnaround period.
Lab Hours
M-F 9am-5pm