Hair Combs TRIZ Cases
- Dual-Comb Vacuum Attachment for Parasite Removal Without Hair Damage
See how parallel combs with varying bristle spacing enable vacuum suction of lice and nits whil
- Gray Hair Removal Cutter for Root-Level Cutting Near the Scalp
A housing-free blade cuts sparse gray hair close to the scalp, avoiding dandruff obstruction while preserving surrounding colored hair.
- Formula Cartridge Valve Plug Assembly for Leak-Free Reuse
A pre-compressed silicone valve plug and slit assembly prevents formula leakage across storage, dispensing, and repeated cartridge use.