25 Crazy Hair Facts
CHECK OUT THESE HAIR FACTS
- On average, it takes 1,000 hair grafts to cover the area of a CD.
- The outer hair we see on our head is composed of dead cells (like the bark on a tree).
- Hair grows about 6 inches each year, or half an inch per month.
- 100,000 hairs can be found on the average adult scalp.
- Around 100 to 150 hairs are shed naturally each day.
- Hairs are around .02 to .04 mm thick.
- It takes about 20 to 500 hairs to equal a millimeter
- Healthy hair can be as strong as steel wire and can take a force of 60 kg or more to break a single hair.
- Healthy scalp hairs will live two to six years on the head before they are shed and replaced.
- Waist-length hair would take on average about 6 years of growth. *Your hair’s lifetime is dependant on maximum length. Example, if your lifecycle of hair is only two years, you will not be able to grow waist-length hair.
- Duration of hair growth cycles vary on the specific body area.
- Eyebrows, eyelashes and body hairs are shorter with longer growth cycles (i.e. takes longer to grow and replace them).
- Hair on our heads and in our beards has peak growth in autumn months.
- Hair on our heads and in beards slows down in the coldest months and picks up again come spring and summer.
- Hair experts and dermatologists agree that you will have to lose half of your hair before you notice hair loss.
- Hair follicles begin to form in the fetus during the first three months of pregnancy.
- The hair follicles you are born with are the hair follicles you’ll have your entire life.
- No new natural hair follicles will ever develop.
- There are more hair follicles on the scalp than anywhere else.
- Hair follicles will change as we age (including color, size, shape and activity due to hair growth).
- The number of hair follicles we have corresponds to our hair color:
- Blondes have around 140,000 hairs
- Brunettes have around 105,000
- Redheads have the least with around 90,000
- Why would hair color influence hair follicle numbers? Well, each hair color is associated with a different size follicle. Blonde is finest with more individual hairs to cover the scalp, brown is midsize and thicker and red hairs are thickest with fewer hairs needed.
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