Comb your fragile hair without pulling and breaking it. | How to comb fine hair without damaging it? The answer is a bristle hair brush. Tangle Teezer Ultimate Detangler Fine & Fragile. Thanks to the patented Soft-Flex technology with two-phase flexible teeth, it detangles knots without annoying snags or breakages. The longer teeth eliminate tangles, while the shorter ones smooth hair and add shine.