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How Can Collagen Protect Hair from Colour Damage?

Written by: Jack Levinson

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Time to read 6 min

If you colour your hair, it's likely you're aware that using colouring products can lead to hair damage over time. Needless to say, this can be frustrating for those who are turning to dyes to restore their hair's appearance and vitality. 


Perhaps this might be a familiar situation: after dyeing your hair, its colour is vibrant and healthy, but its texture is dried out and deadened. Or worse, you find that the use of harsh products leaves your hair thinning. 


Collagen supplements can help restore your hair and scalp to their healthiest states. Read on to learn how you can use absolute collagen to help your hair look as healthy and natural as possible. 

How Colouring Can Damage Your Hair

There are many reasons people choose to dye their hair. Some simply wish to mix up their look, while others aim to reduce signs of aging, in particular gray hair, which can add years to one's appearance. But while these efforts can be attempts to look more youthful, they can also cause their own problems. 

Hair Molecule Structure and Hair Dye Chemicals

In order to understand how hair dye works, one must understand the basic structure of hair. A strand of hair contains three primary layers: the cuticle, the outermost layer of hair that protects what's within; and the cortex, an inner layer made from thin keratin fibers.


Typically, when dyeing hair, one does not just add it directly to your existing tresses, but first removes whatever is there. This is absolutely necessary when making major hair transformations, such as going from dark hair to platinum blonde. (This, it should be noted, should never be done in a single sitting.) People achieve these effects using ammonia and peroxide, which open up the hair shaft through the cuticle so that dye can reach the centre of the hair shaft.


However, while these processes may help restore the appearance of your hair, they also can damage your hair follicles, visibly impacting your appearance in the long term. The critical step is in re-sealing the hair cuticle once new dye has been introduced into the cortex. If the cuticle is not properly re-sealed, the effects of peroxide on hair proteins can weaken the hair overall, even potentially impacting hair growth in the long term. 

How Can Collagen Protect Hair from Colour Damage

Benefits of Collagen for Hair

Though it is often primarily associated with skin, collagen is equally important to strong, healthy hair. Collagen is a protein that occurs naturally in the body. At its healthiest levels, studies show, it is abundant ‚Äď collagen makes up 70 percent of the dry weight of the skin. Indeed, collagen is an essential ingredient to the composition of our hair, skin, nails, and connective tissues, providing the structure that gives our bodies solidity and firmness.¬†


The body's natural collagen production slows as we age, first becoming visible as we reach our early thirties. This can affect our skin in especially visible ways, such as increased fine lines and wrinkles. But it can also affect the look and feel of our hair, leading to hair loss and thinning or other forms of damage.

Using Collagen Peptides for Hair 

As the body's natural collagen synthesis starts to slow, many turn to collagen supplements to help restore our collagen levels to their youthful peaks. Beyond providing new collagen to the body, these products stimulate the natural production of collagen, creating a longer-term solution to protecting skin and hair. 


Many supplements on the market are marine collagen, also known as peptides, hydrolyzed collagen, or absolute collagen. Absolute collagen is packed with amino acids including the following:

  • Arginine
  • Isoleucine
  • Leucine
  • Threonine
  • Methionine
  • Tyrosine

By providing these amino acids, collagen helps promote the production of keratin, the main structure of the hair's cortex. 

How Can Collagen Protect Hair from Colour Damage?

How Collagen Can Prevent Hair Loss and Damage

Because oral collagen peptide supplements are so effective in supporting the synthesis of new collagen in your body and stimulating hair growth, they can be an excellent solution for those who are seeing the damaging effects of hair colouring. Indeed, many of the benefits of absolute collagen are perfectly suited to those with treated hair. Absolute collagen helps to shield the hair from the potential damaging effects of hair dye and facilitate healthy hair growth. Indeed, daily collagen can help prevent thinning hair and promote hair growth instead. 

Collagen-Infused Hair Products

Fortunately, for those looking to improve the condition of treated hair, there are many collagen-infused hair products designed to specifically do that. There are a variety of products on the market that can be used topically to strengthen the hair and help prevent hair loss. These are easy to incorporate into your daily routine; oftentimes they are called colour-protecting shampoos and are meant to replace the ones you normally use.

Hair Supplements

For even deeper benefits of collagen, one can turn to supplements, including Supermood's own line of collagen products. These tasty, easy-to-use supplements help strengthen hair proteins and surface lipids to keep your hair smooth and shiny (and plentiful). By regularly introducing collagen into your system, you'll be creating an ideal environment for hair growth.

How Can Collagen Protect Hair from Colour Damage

Expert Opinions and Hair Care Recommendations

If you are treating your hair using dyes or other chemicals, it's important to take preventive measures to ensure that your natural hair is protected. 


Here are a few expert-recommended tips:

  • Keep the natural tones in your own hair in mind. As mentioned above, it's not always easy to achieve every hair effect. Taking very dark hair to a white-blonde requires several treatments. This means it's very important to set expectations accordingly and take precautions ahead of time to protect your hair.¬†
  • Don't overdo it.¬†Chemicals and dyes are, perhaps needless to say, unnatural, and introducing them too frequently can keep you from maintaining a healthy environment for your hair. This means keep the visits to the colourist to a minimum.
  • Listen to your hairdresser.¬†It's easy to get ambitious about the new look you hope to achieve, but not everything is going to be possible for every hair type. If your hairdresser is recommending against a particular process or treatment, take their advice seriously ‚Äď after all, you won't be happy if your dye job isn't what you were hoping for.¬†
  • What you consume is as important as what you use on the outside.¬†This is why collagen supplements can be so effective at supporting healthy hair even if you are treating it.

Are you ready to restore your treated hair to its shiny, healthy, youthful best? Start your collagen regimen today.

Frequently Asked Questions

How does hair coloring damage the hair, and why is protection necessary?

Dyes and chemicals like ammonia and peroxide open up the hair cuticles to work effectively. However, this can damage hair follicles and hair roots, leaving the appearance of the hair worse for the wear. Collagen may provide the protection you need to stave off attacks from peroxide on hair so that you can look your best. 

What specific properties of collagen make it effective in protecting colored hair?

Collagen is part of what gives definition to the structure of the hair shaft, making it an indispensable ingredient of healthy hair growth. 

Is there scientific evidence supporting the role of collagen in protecting colored hair, and what gaps exist in current research?

Collagen has been proven to be an important ingredient in maintaining hair's structure and in supporting its growth. Research is still underway to show the exact effects of collagen on treated hair specifically. 

Written by:


 

Jack Levinson

Jack Levinson is a writer born and raised in Los Angeles. He received his bachelor’s degree from Vassar College in Poughkeepsie, New York. When not writing, his interests include the arts, cooking, and exploring the California coast.

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Reviewed by:


 

Sanober Pezad Doctor, MD

Dr. Sanober Doctor is a dual-board certified dermatologist, & a leading expert in Integrative and holistic Dermatology. She is a proactive, compassionate medical practitioner with a thorough understanding of mind-body-spiritual wellness.

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