Man developing a receding hairlineModel used for illustrative purposes only.

The Real Reason for Receding Hairlines

Whether or not you develop a receding hairline (receding temples) all depends upon the shape of your skull.

That might sound hard to believe, but it’s true.

This page explains the real reason why the hairline recedes, and why receding temples affect so many men but are much less likely in women.

It then reveals how you might now be able to finally stop the hair loss process from totally destroying your hairline!

Skull Shape Characteristics

Man with receding temples and position of frontal and parietal bones shown

Hair loss at the front of the head is caused by skull expansion (skull bone growth) of the frontal bone.

The frontal bone extends from the top of each eye socket (orbit) through the forehead and temples, and up towards the crown of the head as you can see from this photo.

The main characteristics to look for that determine whether or not the temples recede are:

1. Forehead width - How flat and broad is the forehead?

2. Forehead height - How high is the hairline in relation to the maximum height of the crown?

Sometimes a third factor might also apply:

3. Forehead angle - How steep or shallow is the forehead as it reaches up towards the hairline?

Those Who Do NOT Suffer Receding Hairlines

In those men and women who will never suffer a receding hairline, a very flat, broad forehead is nearly always present (see line A in the photos on the left below). This often gives a distinctive "square" outline to the face as you can see.

Man and woman with strong hair growthModels used for illustrative purposes only.

In the photos on the right, you can see that the hairline is quite high up (line B) in relation to the maximum height of the skull (line C). This creates a sharp change in angle at the top of the skull where the forehead meets the crown, giving a somewhat flat crown and more square shape to the head when viewed side-on.

And this square shape can become even more apparent if the forehead is very steep (i.e., near vertical) as it reaches up to meet the hairline, as you can see.

This combination of a very flat, broad, tall and steep forehead is typical in those men and women who are highly unlikely to develop a receding hairline throughout life.

Those Who DO Develop Receding Hairlines

Now take a quick look at the photos below.

Men with severe frontal hair lossModels used for illustrative purposes only.

In photo 1, notice the curvature in the forehead. See how round it looks? This man has suffered severe hair loss from receding temples as a direct result of that curvature developing in the frontal bone during the skull expansion process.

You can also see a very distinct lack of symmetry in head width from front to back - the front being a lot narrower than it is at the back. This "asymmetry" is what produces the much smaller flat area (line A) when compared to the equivalent photos in the last section.

And it often gives a very "rounded" head shape when viewed face-on, as you can see in photo 2.

In photo 3, notice how the hairline appears quite low (line B) in relation to the maximum height of the skull (line C) when compared to the equivalent photos in the last section.

This increases the curvature of the skull as it rises up to its maximum height and creates a somewhat rounded shape to the head when viewed side-on.

From the many years of observation and research I have done, I believe any man with these skull shape characteristics is highly likely to develop receding temples and, quite possibly, severe hair loss up to the top of the crown as well (frontal baldness).

And these skull shape characteristics can also apply to women. In photo 4 below, you can see that this lady similarly does not appear to have a flat, broad forehead (line A) and her hairline (line B) also seems much lower in relation to the maximum height of her skull (line C).

Lady with hair loss

However, it is very rare for women to develop receding temples, as explained in the next section.

Why Women Don't Get Receding Temples

Most women are much less likely than men to suffer receding temples at the front, or bald spots and patches at the back of the head.

Instead, they usually tend to experience hair thinning (diffuse hair loss) across the same region of the scalp as men (as you can see from photo 4 above).

There are two reasons why women don't suffer this type of hair loss (androgenetic alopecia) as much as men:

1. Skull shape and size
2. Lower levels of testosterone and DHT

1. Skull shape and size

Skull shape and size are sexually dimorphic characteristics, which means they can often vary between men and women. Other, more obvious examples of sexual dimorphism include wider hips in women, and more height and weight in men (due to bigger bones and greater muscle development).

Sexual dimorphism is largely determined by genetics and androgens (male hormones) such as dihydrotestosterone (DHT). In other words, the exact same two things that have also been linked to androgenetic alopecia.

And this is no coincidence. As you’ve just read, skull expansion of the frontal bone causes this type of hair loss. And whether or not skull expansion takes place, all depends on skull shape.

Most men tend to have skull shapes with, what I call, a "high growth potential". In other words, they’re more prone towards skull expansion (and hair loss). However, most women will generally maintain a smaller, more "juvenile" skull shape throughout life.

Mother with very similar looking daughterModels used for illustrative purposes only.

But, some women do still suffer quite severe hair loss at the front hairline, as you can see from the photo below.

This lady does at least seem to have a quite a flat, broad forehead. But, her frontal bone has still grown, producing the area of baldness you can see just behind her hairline. She also looks quite elderly, and this is an important factor as you’ll see in the next section.

Lady with frontal hair loss and frontal bone position shown

2. Lower levels of testosterone and DHT

Both testosterone and DHT are steroid hormones, which means they have an anabolic effect within the body - These two hormones can stimulate the growth of muscle, bone and hair. Which is why, during puberty when levels of these hormones are much higher in men than they are in women, men will start growing facial and body hair, and also experience greater muscle and bone growth.

And this bone growth can also include the skull. Some men start developing skull expansion and hair loss from puberty onwards. And it’s a combination of high DHT levels and skull shape that drives this process.

But for most women, the differences they have in skull shape, along with much lower DHT levels, mean that they are highly unlikely to develop skull expansion and hair loss at such a young age.

And this should remain the case as long as their DHT levels remain low and their estrogen levels stay high.

Usually, it’s only after the menopause when estrogen levels drop, that DHT will start to assert itself on the female body. This will often cause facial hair growth, but can also start the skull expansion and hair loss process in those women with the skull shape characteristics described above.

Elderly lady and mature lady with shaving cream on faceModels used for illustrative purposes only.

However, without these skull shape characteristics, the frontal bone in women should remain proportionately smaller than it is in the majority of men. Which means that, whilst many women will still suffer this type of hair loss, they are far more likely to develop thinning hair rather than receding hairlines and frontal baldness as in most men.

How to Stop a Receding Hairline

Hair loss can be very stubborn at the temples. It just seems to keep eroding away at the hairline, and possibly eroding your self-esteem too. For some, it can be a thoroughly miserable, depressing and upsetting experience.

But there is something you can now finally do about it, as you can see from the testimonial below:

"I have been doing the exercises for 3 months. I've got very good regrowth of hair in my previous areas of hair loss i.e in the temple regions as happened with you.

I can see more hair is coming in my head day after day. I'm 21 yrs old.
Thank you sir."

Roy Chamak, USA

Read more testimonials about these exercises?


How successful these exercises are at the temples really depends on how bad your receding hairline is in the first place - take a look at question 10 on the FAQ page to learn more.

This is page 4 of 6.

Read next page? Extreme Skull Expansion – Extreme Hair Loss!

Read previous page? Why the "Pattern" in Male Pattern Baldness Develops.

Leave Receding Hairlines – Return to Skull Expansion Index.


Note: Only a very simplified look at the skull shape characteristics which cause receding hairlines has been given on this page. Other factors can also be involved.

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