girl sitting on a rock showing hygral fatigue
Curly Hair Care

Hygral Fatigue: Why Your Hair May Be Over-Moisturized

In a nutshell, hygral fatigue is the result of over-moisturizing natural hair (aka doing too much).

As naturals, we push the importance of keeping our natural hair moisturized.

Whether that’s deep conditioning weekly, using hydrating leave-in conditioners, to just drinking more water, we've been told that moisture is an integral step of a healthy natural hair routine.

And yes, moisture is the cornerstone of healthy hair. 

But too much of anything can be problematic with time. And this is no exception with our hair.

If we’re not careful, we can over-moisturize our hair strands, which damages the structure of our hair cuticles.

And when our cuticles are damaged, our coils will undergo breakage, shedding and various other types of mess.

It’s hard being a natural 🙁

Let’s get into what hygral fatigue is, the signs of it and how you can avoid it in your routines.

a caption showing how to fix hygral fatigue

What Is Hygral Fatigue

Before we get into the nuisance of hygral fatigue, let’s get into the science of what happens when our hair gets wet.

When we wet our hair, the cuticles swell up with moisture. When it dries, the cuticles contract, shrinking back to its original size.

This back and forth of swelling and shrinking can, overtime, be quite damaging to our curls.

But if our protein levels are balanced enough, our hair is able to withstand it. 

TIP: to check your protein levels, on your next wash day pull one of your coils and observe what happens. 

If the hair bounces back to its original position (known as elasticity), your protein levels are balanced.

But if the curl stretches and does not maintain its original shape, your protein levels are off. You may need to use a protein treatment to rebalance it!

But if we don't have the right levels of protein, our hair will become over-moisturized.

This is called hygral fatigue – when our hair becomes damaged due to excessive moisture application.

Hygral fatigue is caused by:

  • Over conditioning (constant overnight conditioning or letting a deep conditioner sit too long on the hair);
  • Constantly wetting your hair without letting it dry completely, or;
  • Not putting enough protein in your hair.

Hygral Fatigue and Porosity

Some naturals are more susceptible to hygral fatigue than others. 

And it has to do with your porosity.

Natural hair Porosity


Natural hair porosity is the ability of your hair to absorb water and/products. 


Low porosity natural hair has a low absorption rate, because the cuticles are stubbornly closed. It is difficult for this hair porosity to absorb moisture.


High porosity natural hair has a high absorption rate, because the cuticles are always open. It is difficult for this hair porosity to retain moisture.

Unlike low porosity natural hair, the cuticles of high porosity hair is raised and open, making it highly porous.

This means water is able to flow in and out of the cuticles very easily.

This easy facilitation of water means that the hair cuticle can swell and shrink very easily, resulting in a higher chance of hygral fatigue.

Low porosity naturals, on the other hand, are less susceptible to hygral fatigue because the cuticles are flat shut. Therefore, water has a hard time entering and leaving the hair shaft.

So you're less likely to experience hygral fatigue if your cuticles are closed (aka low porosity).

Signs of Hygral Fatigue

Here are most common signs of hygral fatigue: 

  • Low elasticity;
  • Hair feels gummy, like seaweed when wet
  • Limp, curls don’t hold a curl anymore;
  • Uncontrollable frizz;
  • Prone to breakage but hair doesn’t feel dry;
  • Excessive shedding

If you have two or more of these signs, your hair is most likely over-moisturized.

But don’t worry – hygral fatigue is quite an easy fix.

Let’s get into what you should do to reverse it.

What To Do If You Have Hygral Fatigue

Protein Treatment

First things first, you need a protein treatment STAT.

Hygral fatigue is simply that your protein/moisture balance is off. More specifically, you have more moisture than you do protein.

The fix? Adding more protein!

For high porosity naturals (where this phenomenon is more common), protein treatments should be a staple in your routines.

You should be doing a protein treatment at least every 3 weeks.

To do a protein treatment, simply replace your deep conditioner (which is moisture) with a protein treatment.

Our favourite one is the Aphogee Two Minute Reconstructor. Perfect for fixing hygral fatigue!

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Stop Over-conditioning

Too much of a good thing can become damaging.

Everything should be done in moderation - including moisture!

If you're suffering from hygral fatigue, you want to make sure you're not overconditioning your curls.

This means no more sleeping with your deep conditioners (we all do it sometimes!).

Our deep conditioners are formulated to work best until the 30 minutes after application.

After this 30 minute mark, the deep conditioner is less effective, and all you're doing is overmoisturizing your curls.

Make sure to wash out your deep conditioners after 30 minutes (and never keep it in longer than an hour!).

Use Coconut Oil As A Pre-Poo

Coconut oil is one of nature's best kept secrets.

In a nutshell, if you use coconut oil as a pre-poo (i.e. applying it right before you shower), it will protect your hair from the damaging affects of swelling when the hair gets wet.

The molecular structure of coconut oil is straight-chained and non-complex, meaning that it can fit comfortably in our hair's cuticle.

By doing this, the coconut oil is acting as a barrier between your hair and the water.

This is exactly what we want with over-moisturized hair. Your curls won't experience the damage of swelling and shrinking when the coconut oil is protecting it!

Final Thoughts on Hygral Fatigue

Hygral fatigue is no fun - we know this!

But thankfully it's an easy fix. By incorporating more protein treatments into your routine, using coconut oil as a pre-poo and reducing over-moisturizing practices, you'll be well on your way to fixing hygral fatigue!

Have you experienced hygral fatigue before? Comment your tips below!