If you invest in hair extensions, you probably want to keep them looking good as long as possible. Whether your extensions are made from synthetic or real hair, you'll need special products to deal with them. For instance, Kimble Hair Care Systems makes a special shampoo, conditioner and itchy scalp relief product for hair extensions. Styling options include this Wood Flat Iron Brush ($34), a pure boar-bristle brush designed to create a smooth and frizz-free hairstyle without having to use a flat iron. (For those of you who just can't stay away from stick-straight hair, at least this Sedu Ionic Ceramic Flat Iron ($109) is a safer option.)
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