FAQ

Frequently Asked Questions

Do not use if you:

  1. Cleanse your face and apply FORHERTZ 3D Booster Mask Gel or a water-based conductive gel (such as ultrasound gels or aloe vera gel) generously to the treatment area.All FORHERTZ products are device-compatible.
  2. Turn on the device and select your desired mode.
  3. Choose your intensity level (Level 1 or Level 2).
  4. Glide the device across your face in upward motions, maintaining consistent skin contact.
  5. Continue with your regular skincare routine after use.

For first-time use, start with a 5-minute session to allow your skin to adjust.
From there, adjust frequency and duration based on your skin's response and needs.

We recommend daily use for best results. If you have sensitive skin, start with every other day.

Start with 5 minutes for your first session, then gradually increase based on your comfort and skin's response.
Most users use it for 10 minutes daily.

Safe for use on face, neck, and under-eye area. Do not use directly on eyes or eyelids.

Results vary by individual. Most users report visible improvements within 4-6 weeks of consistent use.

No, but they are recommended. Ultrasound requires a conductive medium to function properlyβ€”you can use any water-based conductive gel (such as ultrasound gel or aloe vera gel).

However, all FORHERTZ products (3D Booster Mask Gel, Calmingfair Synergy Mask, Hyalagen Bubble Serum, and Signal Activator Cream) are specifically formulated for ultrasound compatibility and optimized to work with Quadthera Titan for best results.

Yes. Quadthera Titan is compatible with facial sheet masks. For best results, pair with FORHERTZ Calmingfair Daily Synergy Maskβ€”formulated specifically for ultrasound compatibility.

Use the device over the sheet mask for at least 10 minutes to optimize product delivery.

Yes, you need a conductive product. FORHERTZ products are all formulated for device use, or you can use any water-based conductive gel (ultrasound gel, aloe vera gel).
The key is applying generously to ensure consistent skin contact.

Quadthera Titan device, charging cable, user guide.

Mode 1- Booster Care (1Β·3 MHz)
Hydration boost
Oil-moisture balance

Mode 2 - Calming Care (1Β·3Β·10 MHz)
Skin barrier support
Reduces appearance of redness

Mode 3 - Firming Care (3Β·10Β·19 MHz)
Visibly lifts and tones
Softens look of fine lines

Mode 4- Glow Care (10Β·19 MHz)
Evens skin tone appearance
Enhances radiance

Q Mode- Complete Care (1Β·19Β·3Β·10 MHz)
Full-spectrum treatment
All mode benefits combined

Select the intensity level that works best for you. Level 1 for gentle treatments, Level 2 for enhanced intensity.

Medical-grade titanium provides optimal ultrasound conductivity, hypoallergenic properties, and exceptional durability for long-lasting use.

Rose Gold and Champagne.

Yes. Start with Level 1 and Mode 2. Always patch test on a small area first.

Use only the included charging cable (5V, 1-2.5A). Connect to device and plug into USB power source. Orange LED indicates charging; LED turns white when fully charged.

No. Only use the included charger or compatible 5V, 1-2.5A chargers.

Fast chargers may damage the device.

Ensure the device is charged and unplugged from the charger (device does not operate while plugged in). Press and hold the power button for 3 seconds.

The battery may be partially charged from factory testing. Use the device 3-4 times first, then charge.

This is normal. You'll hear:
Ultrasonic vibration during use (indicates the technology is working)
Beeping throughout treatment to confirm operation, with a distinct beep at 5 minutes (halfway point)
and at 10 minutes when the device automatically shuts off as a built-in safety feature.

Yes. The built-in sensor detects when the device stays in one place too long. Simply keep the device moving during use.

Wipe the titanium head with a soft, damp cloth after each use. Do not submerge in water.

Yes. The device is compact and lightweight. The charger is compatible with 100–240V (international use with appropriate plug adapter).

Do not use if you:

  • Are pregnant or nursing
  • Have electronic implants (pacemaker, etc.)
  • Have active skin infections or open wounds
  • If you have a skin condition, are receiving dermatological treatment, or have any medical concerns, consult a healthcare professional before use.

Please consult with your healthcare provider or aesthetician about appropriate timing for device use after any cosmetic procedures.

Some users with sensitive skin may experience mild, temporary redness. This typically subsides within 1–2 hours.

Tip for sensitive skin: A generous layer of moisturizer can help minimize any temporary redness or sensitivity.

Skin may temporarily react due to factors such as stress, diet, or environmental changes, regardless of device use.

If you experience changes in skin condition, discontinue use until skin recovers and/or consult a healthcare professional.

Stop use immediately if you experience pain or discomfort.

Skin irritation may occur depending on individual sensitivity. If irritation develops, reduce frequency of use or discontinue.

  • Remove all jewelry from the treatment area before use
  • Use only as directed in the user manual

Yes, free standard shipping on orders $75 and above. Orders under $75 have a flat shipping rate of $8.95.

Orders are processed within 1–3 business days and delivered in 5–7 business days via standard shipping.

We ship to addresses within the United States only. We do not ship to P.O. boxes, APO/FPO addresses, or U.S. territories.

Yes, expedited shipping options are available at checkout for an additional fee.

Yes, signature confirmation is required for all orders.

Once your order ships, you’ll receive a shipping confirmation email with tracking information.

Address changes must be requested within 1 hour of placing your order.
Contact hello@quadthera.us immediately.

We accept returns on unopened products within 30 days of delivery. Contact hello@quadthera.us for return authorization before sending items back.

No. For hygiene and safety reasons, we cannot accept returns on opened devices or skincare products.

  • Opened devices
  • Opened skincare products (gels, serums, creams)
  • Sale or clearance items
  • Gift cards

Customers are responsible for return shipping costs unless the item received was defective or incorrect.

What if my device arrives damaged or defective?

Contact us within 7 days of delivery at hello@quadthera.us with photos of the damage. We'll provide a prepaid return label and issue a full refund or replacement.

Refunds are processed within 5–7 business days after we receive your return. Please allow 10–15 business days for the refund to appear in your account.

We do not offer direct exchanges. Please return your unopened item for a refund and place a new order.

Quadthera Titan includes a 1-year limited warranty from the date of purchase. If your device does not work properly due to a manufacturer's defect, we will replace it free of charge within the warranty period.

This warranty does not cover damage caused by:

  • Accident, misuse, or unauthorized modification
  • Use with unauthorized accessories or use other than instructed
  • Use of incorrect chargers (only use included 5V, 1–2.5A charger)
  • Normal wear and tear or cosmetic damage

No. This warranty applies to devices only, not to skincare products, gels, or accessories.

Email hello@quadthera.us with your order number, description of the issue, and photos or videos. Proof of purchase is required.