One essential indicator of a healthy head of hair is its elasticity, or the capability of the hair strand to stretch and return to its previous form without breaking. Healthy hair has body, bounce, and curl formation. Elasticity is responsible for curl retention and makes styling the hair with wet rollers sets, thermal styling tools, etc. super easy.
Types of Elasticity:
Average Elasticity- When the hair is wet it may be stretched 50% of its original length. When hair is dry it may be stretched about 20%.
Low Elasticity- If tension is applied to the hair it will break easily due to poor hair care or damage from being chemically over processed.
Take a single strand of hair from the top, both sides, and the nape of the head.
Slightly pull hair
~If hair stretches and returns to its shape, like a rubber band then it has average strength.
~ If hair stretches then breaks or does not return to its original length, then elasticity is considered low.
Treating Low Elasticity Hair
If your hair has proven to have low elasticity worry not, the use of protein treatments and protein conditioners can improve and restore
elasticity. This will put necessary protein back into the damaged cuticle structure and within the hair shaft.
A word of caution: If used in excess, protein treatments can make your hair become brittle and break if your hair is at sufficient protein levels. I recommend biweekly light protein treatments or once a month reconstructing protein treatments for severely damaged hair. Always put moisture back into your hair after applying protein.