Dealer verification

Check an authorized dealer

Enter the name of a clinic, spa, or pharmacy to check whether it is authorized by T-CELL to distribute authentic MartiDerm and oh!oh! products. T-CELL updates this list based on current authorization records. If you suspect a seller is not authorized, call our hotline so we can check.

Why check a dealer?

Buy from authorized dealers. Choose authentic products.

T-CELL distributes MartiDerm and oh!oh! products through its authorized dealer network. Products purchased elsewhere may be counterfeit, expired, or stored incorrectly. T-CELL does not guarantee their quality or provide return or exchange support for them. Check the dealer before you buy.