Expanding Basic Hair Care Knowledge with Science
Learning about hair science and expanding your basic hair care knowledge will help you to get a better understanding of technical terms used by professionals or why they advice you to do things in a certain way. Its also helpful to select the right hair care product and how to treat your hair.
Hair science is quite complicated and not in scope of this website. The goal here is to get familiar with some simple terms used in hair magazines, journals and hair salons.
Start with Hair Root
Each hair begin to from invisible part of the hair buried 4 mm under the scalp inside a small tube which is called a follicle. As the hair begins to grow, it pushes up from the root and out of th
e follicle, through the skin where it can be seen. The part we see which goes to make up the hair fibre (shaft), is in fact biologically dead. Hair shaft is a complex structure consisting of an inner core structure (called cortex) and a series of protective outer layers (cuticle).
Cuticle is the external part of the hair fibre. It is the cuticle which need basic hair care and subjected to attacks which the hair suffers and your hair conditions depending on it. Wind, rain, sunlight, pool and saltwater, harsh chemicals, excessive perms, bleaching or coloring your hair, and mechanical injury caused by harsh brushing can result in damaged hair. Depending on type of damage, there are special treatments that can help prevent and even repair damaged hair.
Blood vessels at the base of each follicle which is called papilla will feed your hair root with nutrition and amino acids and are responsible for your hair growth. This part of your hair also requires hair care that comes from within – a good diet with essential vitamins and minerals.
Vitamin deficiency or abnormal protein levels due to unbalanced diet or hormonal changes can disturb hair growth by weakening the structure and function of hair root. These problems can lead to hair loss and thinning hair problems.
Every follicle has a sebaceous gland, which are responsible in maintaining your hairs condition. And Sebum is the Greasy material produced by the sebaceous glands which naturally lubricates the hair.
Hair type and hair color
The structure of your hair follicle will determine the type of your hair. If that tube is small, then you will have a fine hair and if its large then you will have thick hair. A person’s hair will be straight if this tube is round and will be curly if the tube is flattened.
Hair color comes from melanin, the substance that gives hair and skin its pigment. There are two types of melanin one type is responsible for darke shades (eumelanin) and the other is responsible for light shades like blonde and red (phaeomelanin). The mixture and amount of these pigments determine the natural color of hair. So in a way its also true to say that the lighter someone’s hair, the less melanin there is. A person with black hair has much more melanin than someone with blond or red hair.
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