Whether it’s brushing your hair 100 times prior to bed or eating your crusts to make your hair go curly, we’ve all heard the stories. But exactly how a lot fact is tbelow to these old wives’ tales? To assist melted some light, we spoke to Charlotte Rogers, Global R&D Representative at Unilever, to find out which of these famous hair myths are actually backed up by scientific research.

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1. Rinsing Your Hair in Cold Water Makes It Shiny

True – Kind of!

When you wash your hair, water causes the hair to swell, causing cuticles to partially lift from the hair surface. Using hot or cold water won’t substantially readjust this swelling process as your hair will still absorb many water.

However, tbelow is proof that making use of warm water can reason more removal of conditioning agents in commodities once rinsing, so a blast of cold water could aid.

2. Swimming Pools Can Turn Blonde Hair Green

True

Sorry blondies, however this one is true! Contrary to well-known belief however, it’s not chlorine that causes this. It’s actually caused by copper in the water binding to protein in your hair, resulting in a chemical reactivity that provides hair that green tinge.


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Don’t want to wear a swimming cap? Try putting a leave-in conditioner prefer the TONI&GUY Leave In Conditioner in your hair before you swim – it’ll act as a obstacle while also conditioning your strands.

3. Towel Drying Damages Hair

True

While it might seem choose an innocent activity, rubbing your hair via a towel have the right to affect the framework if you’re pulling and also twisting the hair as well tough, leading to the fibres to undermine and also snap.

4. Washing Your Hair With Mayonnaise Makes It Shiny

Inconclusive

One of the weirder at-residence hair therapies we’ve come across is something you’ve most likely never before assumed of placing on your hair prior to – mayonnaise. Even Blake Lively has actually admitted to slathering her hair in the condiment before washing it to tackle dryness.

Mayonnaise is sassist to contain amino acids that make up the protein in our hair. Amino acids have the right to through assist strengthening and also is the reason why you could view these included to hair products such as conditioners.

But as much as utilizing mayo right from the fridge to get these benefits, well, the jury is still out.

5. Hair Can Develop Product Immunity From Using the Same Products for Too Long

Myth

Hair isn’t alive. And given that our hair isn’t alive it can’t build immunity. If you’re seeing differences in your hair, this is probably due to other determinants like air pollution pshort articles, damaging UV rays or simply overusing styling commodities.


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To avoid this happening, attempt utilizing a clarifying shampoo favor the TRESemmé Cleanse & Replenish Deep Cleansing Shampoo in place of your continual shampoo when a week.

6. Washing Your Hair Eincredibly Day Dries It Out

Inconclusive

Whether you can’t stand also the grease or you ssuggest love an indulgent shower, you’ve probably wondered if washing your hair eincredibly day is drying out your strands.

Well, the jury is out and it’s inconclusive. Washing your hair have the right to gradually remove structural components such as protein and lipids which aid to save hair strong and healthy and balanced. However, there isn’t much evidence to imply that washing hair eexceptionally day compared to a few times a week is enough to make a noticeable difference.

7. If You Pull out 1 Grey Hair, 2 Grow in Its Place

Myth

If you lose a hair, only one can be produced in its area from the exact same follicle. This suggests one grey hair won’t come back as two and also we have the right to all sleep a small easier at night currently.

However, this doesn’t suppose new grey hairs aren’t thriving at the very same time (sorry!). We have approximately 150,000 follicles on our head, so if you’ve discovered one odds are there will certainly most likely be others.

8. Stress Makes Your Hair Fall Out

True

Alopecia Areata is just one of numerous hair loss conditions. It can reason sudden loss of clumps of hair in various areas of the scalp. This is mostly because of your genetics yet the problem can be triggered by significant stress and anxiety.

This cause of hair loss is complicated and thought to partially be due to limited oxygen getting to your follicles, interpretation they can’t attribute and also thrive hair as normal.

9. Wearing Your Hair Tied Too Tight Caoffers Baldness

True

As a lot as we adore ponytails, updos and braids, they all put tension on your hair. The initially signs of adjust are likely to be breakage and also break-up ends, especially in areas wright here an elastic is tied.

In incredibly major instances, wright here the hair is continuously pulled ago, you deserve to reason what is referred to as traction alopecia. This is wbelow the hair won’t have the ability to flourish from certain follicles as they are so damaged.

10. Lemon Juice Lightens Hair

Myth

Lemon juice itself cannot reason your hair to adjust colour, it demands the sun. It is the acidity in the lemon juice which helps speed up this procedure.

However, sitting in the sun through lemon in your hair just works for blondes, who might see some lightening of the hair. If you have actually darker hair it may just turn slightly red.

The science is that UV rays cause inner reactions through the hair, impacting the pigment. UV can also be damaging (eek) breaking down vital proteins within your hair, making it weaker.

So, sorry to the fans of utilizing lemon juice in their hair: we’re calling this one a hair myth.

11. Brushing Your Hair Regularly Makes It Shinier

Myth

Period dramas regularly feature females having actually their hair brumelted 100 times before bed bereason the exercise has actually long been touted as the essential to super shiny hair.

However, our hair specialists did some investigating and uncovered that this one is more of a hair myth than fact. In fact, continuous brushing deserve to actually cause even more hair breakage, bring about break-up ends and dullness.


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Using a shine spray is a much quicker (and also more hair-friendly) means of including shine to your look. The VO5 Tame & Shine Spray gives locks a shiny and polimelted finish and also additionally contains heat defence for also even more mane-protecting benefits.

12. Leaving Conditioner in Overnight Makes It Work Better

True

Dry hair? Then you’ll be pleased to hear that this one is true! If you really desire soft, smooth and all-about swish-worthy hair that doesn’t feel crisp, leave your conditioner on for even more than simply your quick shower sesh.

13. Eating Your Crusts Makes Your Hair Go Curly

Myth

Did your grandparents ever before tell you growing up that eating the crusts on your sandwiches would certainly make your hair go curly? This old wives’ tale has actually been around for generations but sadly hair type is identified by genetics!

Your hair follicles affect exactly how your hair grows, through straight hair prospering from straight follicles, while curly hair grows from bent follicles. Different proteins work-related in different locations of the various follicle forms, bring about the various forms and unfortunately, eating your crusts won’t impact this!

14. Cutting Is the Only Way to ‘Mend’ Split Ends

True

The only method of mfinishing break-up ends is to cut them off. But that’s not to say that tbelow aren’t points that have the right to assist minimise the look of separation ends. For instance, particles in conditioners and also leave-on treatments deserve to deposit onto the hair fibre, acting choose glue to momentary seal separation ends and make your hair look healthier.


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Handbag-sized and great for touch-ups, VO5 Split End Rescue Balm helps to alleviate the look of separation ends and also smoothes down flyaways.

15. Getting Your Hair Trimmed Regularly Makes It Grow Faster

Myth

We’re always told that getting constant trims is the crucial to making your hair flourish faster yet just how much truth is tright here to this? We’re sad to say – not a entirety lot.

Hair grows from the follicles, so cutting the ends off won’t affect growth price. But more importantly, exactly how quick your hair grows is pre-established by your genes, which work in sequence over a hair’s lifecycle and also can’t be accelerated through scissors (sorry!).

However, cutting the ends of your hair removes split ends which deserve to make your hair look thinner, so while trims may not make your hair longer, they can make it appear fuller and also healthier.

16. You Can Go Grey Overnight

Myth

Hair greying is a progressive procedure. It happens bereason as we age, pigment cells in our follicles stop developing a chemical called melanin. Eexceptionally time the hair regeneprices, you have to reform these pigment-developing cells and they gain exhausted, eventually wearing out.

17. You Can’t Colour Your Hair During Pregnancy

Inconclusive

This one is inconclusive. Normally, it’s believed that the chemicals used in dyes are safe to usage when pregnant at the levels you need to change hair colour. However before, there’s not sufficient research on this to say for certain either method.

Tbelow are prewarns you can take, particularly in the early on stperiods of pregnancy, once the threat of chemicals harming a child are greater. If you’re doing it yourself, usage gloves, make certain you’re in a well-ventilated room and leave the dye on for the minimum time feasible.

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Tbelow are certain chemical hair treatments however that need to definitely be avoided when pregnant, including the chemicals offered to relax or permanently straighten hair.