The Hair: Types, Functions, and Care of the Hair

The Hair

The hair is defined as a mass of fine thread-like strands growing from the skin of humans especially on the head. It could be black, brown, blonde, grey or ash in colour.

Each hair grows from a narrow tube in the skin called hair follicle. Each follicle has a tiny sebaceous gland near its base which produces oil that lubricates the hair, while also softening the skin around it.

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Below is a diagram showing the structure of the hair.

Types of Hair

We have different types of hair on our scalp. These are:

1. Dry Hair: This is dry, dull and unattractive. It can result from insufficient production of oil by the sebaceous glands, poor diet, or illness. It could lead to damage of the hair.

2. Oily or Greasy Hair: This occur when the oil glands produces more oil than is needed.

3. Soft Hair: This type of hair is often light. It is easily blown by the air.

4. Tough or Coarse Hair: This is a thick hair. It may be difficult to comb or manage.

5. Long Hair: This is a hair that usually elongates to the shoulder or even longer. It varies from culture to culture. It is kept tidy by plaiting and packing. It results from heredity, good diet, and proper care of the hair.

6. Short Hair: This refers to any hair with little or short length. It can be kept neat and tidy by combing and brushing.

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Functions of the Hair

• Hair protects the scalp from sunburn.

• Hair gives warmth to the body.

• Hair beautifies a person.

• Hair in areas like the armpits can protect the skin from friction.

• Hairs in the nose and ears act as filters for dust and other particles, while eyelashes and eyebrows block debris and sweat from entering the eyes.

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Care of the Hair

• The hair should be washed frequently and thoroughly with a good shampoo or soap.

• Apply conditioner to the ends of the hair after shampooing and rinse thoroughly. 

• It should be oiled when necessary.

• Use a wide-tooth comb to gently detangle your hair, especially when wet. 

• Avoid harsh brushing, pulling, or tugging of hair, as this can cause damage and breakage. 

• Balanced diet and food rich in protein and vitamins should be eaten daily. Examples are meat fish, egg, beans, coconut, onion, fruits, etc.

Please read the continuation of this topic on hair infection here.

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