Warranty-&-Returns

30-Day Return Period

You have 30 days from the date of delivery to return your Quadthera device if you are not completely satisfied with your purchase.

Return Eligibility

We accept returns on unopened devices only.

To be eligible for a return:

  • The device must be in its original, sealed packaging

  • All accessories and documentation must be included

  • Proof of purchase is required

For hygiene and safety reasons, we cannot accept returns on opened or used devices, serums, creams, masks, or gels.

Non-Returnable Items

The following items are not eligible for return:

  • Opened devices (hygiene policy)

  • Opened skincare products (serums, creams, masks, gels)

  • Sale or clearance items

  • Gift cards

How to Return

To initiate a return:

  1. Contact us at hello@quadthera.us within 30 days of delivery

  2. Include your order number and reason for return

  3. Await return authorization and instructions

  4. Securely package the unopened device with all original contents

  5. Ship the item to the return address provided upon authorization

Important: Items sent without prior authorization will not be accepted.

Return Shipping Costs

Customers are responsible for return shipping expenses unless:

  • The item is defective

  • We shipped the wrong product

Defective or Damaged Items

Please inspect your order upon delivery.

If you receive a defective or damaged device:

We will provide a prepaid return label.

A full refund or replacement will be provided.

Refunds

  • Refunds are processed within 5–7 business days after receiving your return

  • The original payment method will be credited within 10–15 business days

  • Original shipping costs are non-refundable

You will receive an email confirmation once your refund is approved.

If more than 15 business days have passed since your return was approved, please contact us at hello@quadthera.us.

Exchanges

We do not offer direct exchanges.

To purchase a different item:

  • Return your unopened device

  • Place a new order once your refund has been processed

Quadthera Warranty Policy

Limited Warranty Coverage

All Quadthera devices are covered by a 1-year limited warranty from the date of original purchase.

If your device does not function properly due to a manufacturer’s defect, we will replace the defective device free of charge within the 1-year warranty period.

What This Warranty Does Not Cover

This warranty does not cover devices damaged by:

  • Accident, misuse, abuse, or unauthorized modification

  • Use with unauthorized accessories or use other than instructed in the user manual

  • Connecting to incorrect chargers (use only the included charger — fast chargers will void the warranty)

  • Normal wear and tear

  • Cosmetic damage that does not affect functionality

  • Improper cleaning, storage, or maintenance

Important Conditions

  • This warranty only applies when the device is used with authorized accessories, including the enclosed charging cable

  • This warranty does not apply to Quadthera’s non-device products, including skincare products (serums, gels, creams), tools, and accessories

How to File a Warranty Claim

To file a warranty claim, contact hello@quadthera.us and include:

  • Your order number

  • A description of the defect

  • Photos or videos demonstrating the issue

We will review your claim and provide instructions for replacement if approved.

Proof of Purchase Required

Proof of purchase (order confirmation or receipt) is required to file a warranty claim