2-in-1 Beard and Hair Straightener: Specifically designed for facial hair and beard, this straightener provides a long-lasting effect without damaging your beard or burning your face. It can also be used on hair, offering all-day style. Safety Rapid Heating: Equipped with an advanced PTC heating element, it heats up quickly and evenly, perfect for curling, straightening, or simply brushing beards and hair with stable heat distribution. Negative Ion Technology: Releases negative ions through four spray holes to prevent heat damage. The soft comb teeth evenly transfer heat, smoothing frizz and leaving beards and hair healthy, shiny, and natural-looking. Ergonomic Design: The handle is ergonomically designed for a comfortable grip during long use. Three adjustable temperature settings accommodate most beard and hair styling needs. Portable & Multifunctional: This beard brush is travel-friendly, supporting 110V to 240V, and measures 3.2cm x 18.4cm. Perfect for men on the go and effective for women’s hair straightening as well. Ideal for vacations or business trips.