Skin microbiome: why take care of it with prebiotics?

Skin is not just a physical barrier that protects the body from external aggressions. It also hosts a complex ecosystem of microorganisms called the skin microbiome. This collection of bacteria, yeasts, and microorganisms plays an essential role in the balance and health of the skin. When this balance is disrupted, the skin can become more sensitive, more reactive, and more vulnerable to skin ageing.

In recent years, cosmetic care has begun to take a greater interest in this invisible ecosystem. Among the active ingredients used to support the balance of the microbiome, prebiotics are playing an increasingly important role in face care formulations.

But why is the skin microbiome so important for the skin? How can prebiotics help maintain this balance? And why are they particularly interesting in natural skincare routines for sensitive and mature skin?

In this article, we explore the role of the skin microbiome, the benefits of prebiotics in cosmetics, and best practices for preserving skin balance through natural care with concentrated active ingredients.

What is the skin microbiome?

The skin microbiome refers to all microorganisms present on the surface of the skin.

These microorganisms include:

• bacteria

• yeasts

• microfungi

• other microorganisms invisible to the naked eye.

Contrary to popular belief, these microorganisms are not harmful. On the contrary, they play an essential role in the protection and balance of the skin.

A living ecosystem

The skin microbiome forms a real ecosystem in constant interaction with the skin.

It notably contributes to:

• protecting the skin against pathogenic microorganisms

• maintaining a balanced skin pH

• supporting the skin's natural defenses

• participating in the balance of the skin barrier.

When this ecosystem is balanced, the skin is generally more resistant and comfortable.

Why the microbiome is essential for skin health

The skin microbiome acts as a first line of defense against external aggressions.

Strengthening the skin's natural defenses

Beneficial microorganisms present on the skin limit the proliferation of undesirable bacteria.

They thus help protect the skin against environmental aggressions.

Maintaining the balance of the skin barrier

The skin barrier is essential for preserving skin hydration.

It notably allows to:

• limit water loss

• protect the skin from external aggressions

• maintain skin comfort.

Preserving skin tolerance

A balanced microbiome helps improve the skin's tolerance to cosmetic care and external aggressions.

When this balance is disturbed, the skin can become more sensitive.

What is a prebiotic in cosmetics?

Prebiotics are substances that serve as nutrients for beneficial microorganisms present on the skin.

Unlike probiotics, which directly provide live bacteria, prebiotics promote the growth of microorganisms already present in the skin microbiome.

The role of prebiotics in face care

In cosmetics, prebiotics contribute to:

• supporting microbiome balance

• strengthening the skin barrier

• improving skin tolerance.

They are particularly interesting for sensitive, reactive or fragile skin.

Why use prebiotics to care for the skin microbiome?

Prebiotics help support the skin's natural balance.

Promoting beneficial bacteria

Prebiotics nourish the beneficial microorganisms of the microbiome.

This helps maintain a balanced skin ecosystem.

Improving skin resistance

A balanced microbiome helps the skin defend itself better against external aggressions.

This can help reduce:

• irritations

• redness

• sensations of discomfort.

Strengthening the skin barrier

By supporting the microbiome, prebiotics indirectly contribute to maintaining the skin barrier.

Skin microbiome and mature skin: an often underestimated link

With age, the skin undergoes several transformations:

• decrease in collagen

• loss of elasticity

• decrease in hydration

• fragilization of the skin barrier.

These changes can also affect the balance of the skin microbiome.

Mature skin can therefore become:

• more sensitive

• more reactive

• more vulnerable to external aggressions.

Care containing prebiotics can help support this balance.

Prebiotics and complementary active ingredients: what synergies?

In cosmetic care, prebiotics are often combined with other active ingredients to improve the overall effectiveness of the care.

Prebiotics and hyaluronic acid

Hyaluronic acid is a moisturising active ingredient capable of retaining a large amount of water in the skin.

Combined with prebiotics, it contributes to:

• improving hydration

• strengthening the skin barrier

• improving skin comfort.

Prebiotics and aloe vera

Aloe vera is known for its soothing properties.

This combination is particularly interesting for sensitive skin.

Prebiotics and ceramides

Ceramides help maintain the lipid barrier.

With prebiotics, they contribute to improving the skin's natural protection.

How to preserve the balance of the skin microbiome?

Beyond cosmetic care, certain habits can help preserve the balance of the microbiome.

Using gentle cleansers

Overly aggressive cleansers can disrupt the skin flora.

Gentle cleansers help preserve the balance of the microbiome.

Limiting overly complex routines

Excessive use of cosmetic products can weaken the skin.

A simple and adapted routine is often preferable.

Favoring natural care

Cosmetics formulated with concentrated natural active ingredients can help respect the skin's balance.

Expert advice for caring for the skin microbiome

To preserve the balance of the skin microbiome:

• favour certified organic natural cosmetics

• choose care rich in gentle and balancing active ingredients

• adopt a simple and regular skincare routine.

Care combining prebiotics, moisturising active ingredients, and soothing ingredients can help improve skin comfort and balance.

FAQ – Skin microbiome and prebiotics

What is the skin microbiome?

The skin microbiome is the collection of microorganisms present on the surface of the skin.

Are prebiotics useful for the skin?

Yes, they help support microbiome balance and strengthen the skin barrier.

Are prebiotics suitable for sensitive skin?

Yes, they are particularly suitable for sensitive or fragile skin.

Can care products containing prebiotics be used daily?

Yes, they can be integrated into a daily skincare routine.

Do prebiotics have an anti-ageing role?

Indirectly, they help maintain the skin's balance and resistance, which can support overall skin quality.

Conclusion

The skin microbiome plays an essential role in skin health and balance. By supporting this ecosystem, prebiotics help strengthen the skin barrier, improve skin tolerance, and preserve its comfort.

In a natural skincare routine with concentrated active ingredients, prebiotic-enriched care can help maintain skin balance and support its vitality, especially for sensitive or mature skin. This approach allows for holistic skin care, respecting its natural functioning and invisible ecosystem.