Even the most beautiful people feel insecure about some part of their appearance. Be it their nose, weight, or height, the majority of the population are picky about something.

For men, a common concern is their hair; or rather, a lack of it, according to one doctor who told FEMAIL how thinning locks can leave many males grappling with crushing  low self-esteem. 

Dr Manish Mittal, who owns The Mittal Hair Clinic in London (mittalhairclinic.com), explained that 'a lot of men feel stigma' surrounding issues to do with hair loss - as well as getting hair transplantation to solve the issue.

Of the more than 2,000 patients he has seen for a hair transplant, all have a 'moving back story' and have been bullied for their hair loss, he revealed. 

He said that with most men, it starts with 'light bullying'.

Gary Lineker appeared to aim a balding jibe at Frank Lampard - to the Chelsea great's shock

'They might have their head rubbed on a night out, or someone slapped their head... All these comments are very common! They might perceive it to be a joke but it definitely takes a mental toll.'

'I've had patients come in and say they don't come out, that they're hiding their hair under a hat, and that they're not going on dates,' the doctor recalled.

'The most common story is actually, that they're on a date and they put their hair in a certain way and then it moves a little bit and they catch a glance of themselves in a window or something - not even a mirror - and they up and leave the date. It's almost like, they feel they have their trousers down.'

He added that despite having a number of celebrity clients, who 'could go anywhere to get endorsed' - even A-listers grappling with thinning locks want 'discretion'.

The doctor also said many men feel sheepish for having the insecurity in the first place and believe 'we should have a stuff upper lip' - and look at people like Jason Statham, The Rock, who are 'very good looking men' and 'rock the bald look'.

Around 85 per cent of men will be affected by some sort of hair loss in their lifetime and most of the time this will be a result of genetics.

Earlier this week, Gary Lineker made a cruel jibe at former Chelsea player, Frank Lampard, after he joked that 'no one wants to see the back' of his head.

While on The Rest Is Football Podcast, the presenter said: 'No one wants to see the back of your head these days, do they Frank? That's for sure!' 

Lineker has since mentioned the gaffe on the podcast, explaining that he actually 'meant it about everyone'.

'Obviously Frank's slightly thinning, I'm slightly thinning, and I actually meant it about everyone,' the former England, Tottenham and Barcelona star said.

Describing Frank's reaction, Gary said: 'But when it came out, it came out a bit wrong. And you know Frank does that thing where he smiles, and then he suddenly doesn't smile?'

Commenting on the situation, the hair transplant doctor, Dr Mittal, said Frank's reaction 'sums up how every single hair loss sufferer truly feels'.

He added the he had felt 'embarrassed' and knew he needed to apologise after the episode when realising his cruel words.

'They do not like their bald spot to be commented because it makes them feel hugely insecure.' 

He added that those who research into solutions '100% feel emasculated for seeking treatment' which is why he 'emphasises the importance of this space' where people can get help.

Some theorise that the more 'masculine' of men actually have it worse when it comes to losing locks since they have higher amounts of testosterone which causes balding.

Though the real story behind this is more complicated. Often the two are linked because the androgen that cause hair loss dihydrotestosterone (DHT), is made from testosterone by an enzyme. 

Testosterone can therefore lead to increase balding but the primary factor determining by how much, is in the sensitivity of a person's follicle to hormones.

Frank Lampard - one of 85 per cent of men impacted by hair loss - isn't the only footballer to have suffered insecurity over lacking locks.

Rob Holding, Wayne Rooney and Andros Townsend have all been though to have had transplants to top up their thinning hair.

For most - 95 per cent of those affected by hair loss- the number one cause is 'male pattern baldness' which is caused by genetics and so difficult to control.

Having a high sensitivity to the hormone DHT, can make hair follicles shrink.

As the follicles shrink because of exposure to DHT, the hair responds by growing back finer,  thinner, and shorter. 

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Over time, the follicles then shrink so much that none grows at all.

Often this will show up around the forehead and the crown of the head where the follicles will start to retreat back.

This will eventually leave a horseshoe pattern of hair around the lower part of the head.

Men with this trait can start to lose their locks as early as their early teens. Mostly, the sooner it starts, the more significant the loss will be.

One man who received a hair transplant from Dr Mittal wrote an extremely positive review of his experience, going as far as to say that having the treatment restored his 'confidence and self-worth'.

The patient described a drastic improvement in their 'love life' as well as bolstering a 'vibrant' social life 'filled with joy and connection'. 

'Feeling attractive and self-assured has opened doors I had shut for too long. Dr. Mani didn't just fix my hair; he gave me my life back. For that, I am eternally grateful,' they added.

Commenting on whether he thought there were 'double standards' for men and women, Dr Mittal added: 'Women can put hair extensions in their hair, they can wear make up - nobody bats an eyelid. 

'They can get Botox, filler... Because it's become normalised. 

'That's its own issue, because it creates a standard of beauty that is almost unattainable and has a mental health impact on women.

'But, for example, a woman can wear extensions. When a man puts on a toupee... people start joking, "ah he's wearing a wig".

'There is absolutely a huge double standard.'