Elasticity Test

1
Elasticity Test

• Purpose
• To determine
• the condition
• of the cortex

2
Elasticity Test

• Method
• Stretch one or
• two hairs
• between finger
• and thumb

3
Elasticity Test

• Expected Result
• The hair should
• stretch and
• return to its
• normal length
• without breaking

4
Elasticity TestWhen to do the test- Before any
chemical process
5
Potential Consequences Of Not Carrying Out The
Test

• Damage to the
• hair
• Potential for
• client to take
• legal action
• if damage to
• hair occurs