FOR ALL HAIR TYPES: Set includes 2 COMBS for SHORT / THIN hair and LONG / THICK hair, user-friendly experience no matter the hair type you have to comb thin, thick, curly, wavy, straight, just make sure to use our shampoo to properly detangle it before using the comb, for maximum results. #1 CHOICE BY PROFESSIONAL REMOVAL SERVICES: With spiral micro-grooved grade metallic teeth, that guarantees the best efficacy at removing head lice and nits EASY TO USE / UNIQUE HAMMERHEAD: Proprietary design with a wide base to easily and effectively crush lice and nits with a simple swivel movement, preventing further spreading