Due to its exceptional structure, hair is very strong: healthy hair can resist a weight of 50 to 100 g before breaking, it can stretch between 20% and 30% without losing strength and above all, it responds to the care that you give it every day!
The visible part of hair is made up of dead matter, which, for this very reason cannot regenerate itself. It is therefore essential to take regular, not just sporadic care. The damage caused to hair cannot be ‘repaired’. We must wait for it to grow and then cut it to make the results disappear.
The outer coating of the hair, called the cuticle, is made up of eight or nine layers of scales, overlapping each other like tiles on a roof. When hair is healthy, these keratin scales are tightly closed, sticking to one another, giving the hair a bright, silky appearance.
If your hair is subjected to overly ‘aggressive’ shampoos or an unsuitable chemical treatment, the scales break apart and the hair becomes irreparably lifeless and brittle.
The second layer is called the cortex and is composed of protein fibres called keratin chains: this gives the hair its elasticity, its tone and also its colour. The heart of the hair, or medullar channel, is linked to the follicle, or root of the hair. The substances necessary to keep the cuticle and cortex in good condition all pass through the follicle.
The life of a hair is between three to seven years, and that is why it is totally normal to lose some hairs every day. It is estimated that a healthy individual loses about a hundred hairs a day.
Split Ends
No real cure except cutting the hair and snipping off the split ends.
Knotted Hair
Knotting hair will cause pressure on the cuticle and cortex, leading the hair to break.
Avoid backcombing and use a conditioner after washing.
Damaged Hair Shaft
Never force a brush or comb through your hair.
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Contributed by Alice Ong
Polaris Daily Used Products
Credit Photos to Hairdressers US
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