Frequently Asked Questions

Cold Laser identifies the laser-diode products VivaDome, VivaFit, VivaBrush Pro and VivaBrush Go. Daily LED identifies the LED-only VivaBrush Glow and VivaBrush Air, each with one five-minute session daily.

Compare light source, format, coverage and each model’s documented routine.

Yes. NuGROWS devices are designed for at-home care when used according to the instructions supplied with each product. Follow the recommended session time, care rhythm, placement, cleaning guidance, and product-specific precautions.

Safety features and certifications vary by product and market. Refer to the product documentation for the model you own. Stop use if you experience unusual discomfort and consult a qualified professional when appropriate.

Do not use heat or skin sensation to judge whether your device is operating correctly. Follow the instructions and indicators for your exact model, and stop use if you experience discomfort.

Do not add session time or exposure to create a sensation. Use only the routine specified in your product instructions.

NuGROWS does not promise a specific result or timeline. Use your device according to the routine documented for your model.

Use your device according to its recommended schedule. For medical hair or scalp concerns, consult a qualified professional.

Follow the instructions supplied with your specific product. Do not add sessions or extend session time beyond those instructions.

• VivaDome and VivaFit: 15-minute sessions, three times per week, with at least one day between sessions.
• VivaBrush Pro and VivaBrush Go: five-minute sessions, three times per week, with at least one day between sessions.
• VivaBrush Glow and VivaBrush Air: one five-minute LED session daily.
• AuraMacaron (AM02) and AuraMacaron Plus (AM03): one 15-minute standard session; follow the instructions supplied with your exact model or configuration for frequency and repeat-use guidance.

Use VivaBrush only when your hair and scalp are clean and completely dry. Do not use it on wet hair or in damp locations.

For serums, oils and other preparations, follow the instructions for your exact model rather than assuming compatibility.

Turn off your device and follow its model-specific cleaning instructions. Do not immerse it in water. A permitted damp-cloth or alcohol cleaning method for one model does not apply automatically to every casing, light-emitting surface or accessory.

For AuraMacaron and AuraMacaron Plus, distinguish the Pod casing from the removable Adhesive Gel Pads. Follow the cleaning and care instructions supplied with your exact model or configuration.

Use your scalp-care device only on clean, completely dry hair and scalp. Do not use it on wet hair or in damp locations.

Follow the instructions for your exact model for serums, oils and other preparations. Do not assume that a preparation or application sequence is suitable for every device.

NuGROWS devices include a standard 12-month warranty from the date of purchase. Eligible customers may register for a 24-month warranty upgrade, subject to the purchase terms that apply to their order.

The warranty covers qualifying manufacturing defects under normal use. Accidental damage, misuse, unauthorized modification, normal wear, and consumable-part degradation are excluded. Please review the published warranty terms for full details.

Global English, UK and US purchases have a 30-day return period. Taiwan purchases have a 7-day return period. Contact NuGROWS to confirm return arrangements for your purchase.

Please review the current Refund and Returns Policy or contact NuGROWS support before returning an item.

For product, order, warranty, or return assistance, email contact@nugrows.com. Include your product model and, for an existing purchase, your order number.