A NEW DEVICEA NEW DEVICEFOR MEASURINGFOR MEASURING

HAIR LOSS & GROWTHHAIR LOSS & GROWTH

Bernard Cohen, MDBernard Cohen, MDDIPLOMATE, AMERICAN BOARD OF HAIR RESTORATION SURGERYDIPLOMATE, AMERICAN BOARD OF HAIR RESTORATION SURGERY

March 17, 2006March 17, 2006ISHRS ANNUAL MEETING --- SAN DIEGO, CAISHRS ANNUAL MEETING --- SAN DIEGO, CA

A method and device for measuringA method and device for measuringfluctuations in fluctuations in

the cross-sectional area of hair inthe cross-sectional area of hair ina pre-determined area of scalpa pre-determined area of scalp

CohenCohenUS PATENTUS PATENT 6,993,8516,993,851

Feb 7, 2006Feb 7, 2006

MEDICINE = NUMBERSMEDICINE = NUMBERS

•Blood PressureBlood Pressure•VisionVision•GlucoseGlucose•CholesterolCholesterol

NUMBERS DETERMINE NUMBERS DETERMINE

DIAGNOSIS & TREATMENTDIAGNOSIS & TREATMENT

• BP 170/92 BP 170/92 120/80120/80• Vision 35/40 Vision 35/40 20/2020/20• Glucose 220 Glucose 220 110110• Cholesterol 274 Cholesterol 274 180180

IF IT CANIF IT CAN’’T BET BE

MEASUREDMEASURED IT CAN IT CAN’’T BET BE

MANAGEDMANAGED

WITHOUTWITHOUT MEASUREMENTMEASUREMENT

THERE IS NOTHERE IS NO

MEDICINEMEDICINE OR OR

SCIENCESCIENCE

At presentAt present

OFFICE PHYSICIANSOFFICE PHYSICIANSare unable to measureare unable to measure

HAIR LOSS & GROWTHHAIR LOSS & GROWTH

HAIR LOSSHAIR LOSSAFFECTSAFFECTS

75% of all adult men 75% of all adult men 10% of women over 5010% of women over 50

IN THE USA ALONEIN THE USA ALONE

HAIR LOSSHAIR LOSS TREATMENTTREATMENTIS AIS A

$2 BILLION$2 BILLIONINDUSTRYINDUSTRY

NORWOOD SYSTEMNORWOOD SYSTEM

PHOTOGRAPHYPHOTOGRAPHYMINIMALMINIMAL MILDMILD

MODERATEMODERATE SEVERESEVERE

HAIR COUNTINGHAIR COUNTING

NORMAL BALDING

HAIR COUNTINGHAIR COUNTINGA 50 micron hair and a 70 micron hair both A 50 micron hair and a 70 micron hair both countcount as as

ONE HAIRONE HAIR

r2 = CROSS SECTIONAL AREA80 microns = 3.14 x 1600 = 5024 microns80 microns = 3.14 x 1600 = 5024 microns22 72 microns = 3.14 x 1296 = 4069 microns72 microns = 3.14 x 1296 = 4069 microns22

CHANGING THE CHANGING THE HAIR COUNTHAIR COUNT 10% 10%

CHANGES THE HAIR MASS CHANGES THE HAIR MASS 10%10%

CHANGING THE CHANGING THE HAIR DIAMETERHAIR DIAMETER 10% 10%CHANGES THE HAIR MASS CHANGES THE HAIR MASS 20%20%

Meaningful hair measurementMeaningful hair measurementmust include bothmust include both

DENSITYDENSITY &&

DIAMETERDIAMETER

EARLY ATTEMPT ATHAIR QUANTIFICATION

MARKING THE SITEMARKING THE SITE

ISOLATED 2 x 2 cm of SCALPISOLATED 2 x 2 cm of SCALP

EARLY PROTOTYPEEARLY PROTOTYPE

HAIR CAPTURE ELEMENTHAIR CAPTURE ELEMENT

CAPTURE & MEASURECAPTURE & MEASURE

VALUE DISPLAYED ON SCREENVALUE DISPLAYED ON SCREEN

HAIRHAIR QUANTITYQUANTITY INDEXINDEX

is is mmmm22 of HAIR of HAIR

perpercmcm22 of SKIN of SKIN

the the

QUANTITY INDEXQUANTITY INDEX REFLECTS REFLECTS

• Increase in DiameterIncrease in Diameter• Decrease in DiameterDecrease in Diameter• Increase in Density (hair count)Increase in Density (hair count)• Decrease in Density (hair count)Decrease in Density (hair count)

964382

82/96 = .85 = 85% 82/96 = .85 = 85%

15% HAIR LOSS IN ZONE 315% HAIR LOSS IN ZONE 3

HAIR QUANTIMETER HAIR QUANTIMETER MAY BE USED TOMAY BE USED TO

• Track shedding (effluvium) Track shedding (effluvium)

• Track thinning (balding) Track thinning (balding)

• Evaluate hair growth drugs & devicesEvaluate hair growth drugs & devices

• Manage hair loss treatmentManage hair loss treatment

• Identify Identify ““hair losshair loss”” patients who have no loss. patients who have no loss.

• Detect early balding many years in advanceDetect early balding many years in advance

ADVANTAGESADVANTAGES• Quick - easy - inexpensive - convenientQuick - easy - inexpensive - convenient• Precise - accurate - durablePrecise - accurate - durable• Generates easily understood numbersGenerates easily understood numbers• Numbers quantify severity of hair lossNumbers quantify severity of hair loss• Numbers monitor success of treatmentNumbers monitor success of treatment• No hair or skin is cutNo hair or skin is cut• No lab or doctor is requiredNo lab or doctor is required• More scientific than present office methodsMore scientific than present office methods• Eliminates hedging, guessing, and estimationEliminates hedging, guessing, and estimation