Frequently Asked Questions

The UNbrush® features DuoFlex® anti-static bristles that gently detangle hair while reducing breakage, frizz, and pulling - making it easier on all hair types.

Yes! The UNbrush® works on wet and dry hair. If you’re looking for a brush designed for in-shower use, the UNbrush® Flex is a great option.

Yes! Its gentle, pain-free detangling makes it a great option for children’s hair.

Remove any hair after use and gently wash the brush with warm water and mild soap. Allow it to air dry completely before using again.

Yes, it’s safe to use on extensions and wigs thanks to its flexible bristles that minimize tension and snagging.

The UNbrush® is designed for all hair types, including straight, wavy, curly, coily, thick, fine, and color-treated hair. For the best match, we recommend taking our hair quiz. UNbrush® Original & Mini: Great for all hair types. UNbrush® Plus: Ideal for fine and fragile hair. UNbrush® Curl: Best for wavy, curly, and coily hair. UNbrush® Flex: Designed for in-shower use.

You can find the 6–8 digit batch code in different spots depending on the tool—usually near the top or on the handle of most dryers.

Discount codes may be offered during promotions, special events, or through email and SMS sign-ups. Only one promo code may be used per order unless otherwise stated. Be sure to subscribe to stay up to date on the latest offers by checking our Deals Page.

Once your order is processed, a tracking number is automatically emailed to you. Please allow up to 24 hours for tracking updates to appear once the shipping label is created.

The UNbrush® is not covered by a warranty. All other hair tools include a 1-year warranty. Select older models may be eligible for a 2-year warranty. To start a warranty claim or return, customers must submit a Return Merchandise Authorization (RMA) request before sending any product back. Returns sent without an approved RMA cannot be processed.

Yes, FHI Heat offers professional pricing for qualifying licensed professionals. Please get in touch with our team or visit the Pro Program section of our website for eligibility details and enrollment information.

The $35 processing fee covers handling, inspection, and shipping costs associated with warranty replacements. This fee helps us process replacements efficiently and get your tool back to you as quickly as possible.

We do not currently ship directly to all international locations. For international orders, we recommend purchasing through one of our authorized global distributors. Please, contact customerservice@fhiheat.com for distributor information in your country.

Restock dates are not always available and may vary by product. Some items may be discontinued and will not be restocked. For updates on product availability, we recommend signing up for restock notifications on the product page or contacting customer support.

We do not offer price adjustments or refunds for purchases made before a promotion begins. If an item goes on sale after your order is placed, we’re unable to apply discounts retroactively.