•️ Food-grade bristles comply with FDA standards.
•The bristles are made of Dupont.
•This replacement head is the original accessory of the XKOO T10.
•The dentist recommends replacing the toothbrush head every 3 months.
•[SOFT Head--Flat bristles]: 0.127mm diameter of bristles. Soft to care for sensitive gums, also suitable for teenagers.
•[CLEAN Head--W-shaped bristles]: 0.127mm diameter of outer bristles, 0.152mm diameter of inner bristles. With moderate hardness, conform to the shape of the teeth, easily push toothpaste into hard-to-reach areas, deeply clean between teeth.
•[WHITE Head--U-shaped bristles]: 0.152mm diameter of bristles. To whiten teeth, and fit snugly to the surface of each tooth, resulting in 4 times better surface contact and up to 10 times plaque removal from hard-to-reach areas.