Hair Brushed Hair Lost

Francis Cheng, Gligor Djogo, James Tu, and Maggy Zhu

Why is it Annoying?!

StakeholdersAnyone with long hair, not

necessarily femalesManufacturers of personal care and

hygiene productsDesign teams of companiesPeople living with victims of this

splarktz

Scoping and EngSci SolvabilityChange the Comb Design

Make it Easier and Faster to Clean

Usability, Effectiveness, Portability, Durability

General RequirementsConstraints

Must be intuitive to an 8+ year old Must show a visible improvement in

disorder/mess within < 2 min of use Must operate right after impact of

1.5m drop Must use < 9V to supply power or

standard power outlet Should be < 1 hair lost/10 strokes Should apply < 5N (to messy hair)

As defined in RFC 2119

Criteria Resemblance to existing

product is better (brush, vacuum…)

Faster is better Least deformation is

preferred Less is better None is best Minimal force is preferred