What Is Hair Porosity — And Does It Actually Matter?

Hair porosity is getting a lot of attention lately.

Low porosity. High porosity. Porosity tests. Floating strands in a glass of water.

But what does it actually mean?

Hair porosity simply describes how easily your hair absorbs and holds moisture.

That’s it.

Think of it like fabric.

Some fabrics repel water at first.

Some absorb it instantly.

Some absorb it… but lose it just as quickly.

Hair behaves in a similar way.

Low Porosity Hair

Low porosity hair has a tighter outer layer (the cuticle).

Moisture and products tend to sit on the surface before slowly absorbing.

This is why heavy oils and thick products often feel greasy or weigh the hair down.

Low porosity hair usually benefits from lightweight formulations that can distribute evenly without coating the strand.

Normal (Medium) Porosity Hair

Normal porosity hair has a balanced cuticle structure.

It absorbs moisture relatively easily and retains it well. Products don’t sit heavily on the surface, but they also don’t disappear instantly.

This hair type tends to respond well to well-formulated, balanced products.

The goal here isn’t to overload — it’s to maintain that equilibrium.

High Porosity Hair

High porosity hair has a more open cuticle structure.

It absorbs products quickly — but can also lose moisture just as quickly.

This hair type often needs support that hydrates and protects without creating buildup or heaviness.

Where Scalp Care Comes In?

Here’s what is often missed.

Hair porosity describes the hair shaft.

But hair growth begins in the scalp.

Your scalp is skin. It produces sebum naturally.

It doesn’t have “porosity types” in the same way the hair shaft does.

That’s why scalp formulation matters more than hair typing alone.

If the scalp environment is inflamed, congested or imbalanced, hair health suffers — regardless of porosity.

Why Lightweight, Oil-Based Formulation Makes Sense?

The scalp naturally produces sebum to protect itself.

A well-formulated oil-based scalp treatment works with that biology rather than against it.

Oil binds to oil. Used as a pre-wash treatment, it helps loosen buildup and prepare the scalp for cleansing without stripping it.

Formulating without water also avoids the need for unnecessary preservatives, stabilisers or alcohols often required in water-based products.

The key is balance. The oil must be lightweight, absorbable and compatible with the scalp.

Why Ellà Viè Scalp Elixir Is Suitable for All Porosities?

Ellà Viè Scalp Elixir is jojoba-based and intentionally lightweight.

Jojoba closely resembles human sebum, which allows the scalp to recognise and tolerate it easily.

Because the formula is lightweight:

• It doesn’t sit heavily on low porosity hair

• It supports high porosity hair without overwhelming it

• It maintains balance for normal porosity hair

• It rinses cleanly before shampoo

The goal is not to coat the hair.

The goal is to support the scalp environment where hair growth begins.

When the scalp is balanced, hair — regardless of porosity — benefits.

Final Thoughts

Porosity can help you understand how your hair behaves.

But scalp health determines how that hair grows.

Instead of chasing heavy treatments based only on hair type, focus on supporting the environment at the root.

Healthy scalp. Healthier hair.

Thank you for reading xoxo.