Skin Conditioning

Laurdimonium Hydroxypropyl Hydrolyzed Collagen

INCI: LAURDIMONIUM HYDROXYPROPYL HYDROLYZED COLLAGEN

Reviewed by Kate · Last updated 20 Jul 2026

Also known as: Laurdimonium Hydroxypropyl Hydrolyzed Collagen

A conditioning agent derived from collagen that helps improve hair and skin texture

Best For Skin Types

All, Dry, Mature

Addresses

Dryness, Rough texture

Usage Frequency

Daily

What Is Laurdimonium Hydroxypropyl Hydrolyzed Collagen?

Laurdimonium hydroxypropyl hydrolyzed collagen is a positively charged polymer created by chemically modifying hydrolyzed collagen (broken-down collagen protein) with lauryl groups and hydroxypropyl additions. This modification makes the ingredient water-soluble and gives it a positive charge, which allows it to bind to hair and skin surfaces.

In skincare and haircare formulations, it functions primarily as a conditioning and antistatic agent, helping to smooth the surface of skin and hair whilst reducing static electricity.

Benefits for Your Skin

How It Works

The positive charge on this molecule allows it to adhere to the negatively charged surface of skin and hair. Once applied, it forms a conditioning film that smooths the outer layer and can temporarily improve texture and appearance.

Because it is derived from hydrolyzed collagen — a protein broken down into smaller fragments — it cannot penetrate deeply into the dermis or genuinely boost collagen production. Its benefits are primarily surface-level and cosmetic rather than structural.

Clinical Evidence & References

Research specifically on laurdimonium hydroxypropyl hydrolyzed collagen is limited. The ingredient has a long history of safe use in cosmetics, and its conditioning and antistatic properties are well-established in formulation chemistry.

Claims linking it to anti-ageing or deep collagen support are not well-supported by evidence. Whilst it can temporarily improve skin feel and appearance, these effects are cosmetic and temporary rather than producing lasting structural change.

How to Use

This ingredient is typically found in rinse-off products such as conditioners and shampoos, where its conditioning effects are most pronounced. In leave-on skincare products, it may be present in lower concentrations as a texture enhancer. Apply as directed by the product instructions, and expect benefits to be most noticeable when used consistently over time.

Safety & Precautions

Generally well-tolerated by most skin types. Very rarely, it may cause irritation or contact dermatitis in individuals with sensitive skin or specific protein sensitivities, though this is uncommon.

Frequently Asked Questions

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