Polyurethane-14

What is Polyurethane-14?

Polyurethane-14 is a synthetic copolymer within the polyurethane family, created through the reaction of isocyanates and polyether polyols to form long-chain polymers. In cosmetics, it serves primarily in hair styling formulations like sprays, gels, and mousses, as well as certain makeup and sunscreen products. It functions by depositing a thin, elastic sheath on hair strands or skin surfaces upon drying, which provides structure without rigidity. This film enhances product adhesion, resists flaking, and maintains integrity under humidity or movement. Its molecular design allows for breathability, preventing occlusion while delivering controlled release of active ingredients in some applications. Commonly found in professional and consumer hair care, it supports modern styling needs for natural-looking results.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Film former
Creates a continuous film on skin or hair to improve wear, water resistance, transfer resistance, shine, or hold in sunscreens, makeup, and styling products.
Hair conditioning
Improves softness, shine, and manageability by reducing friction and static; commonly achieved with cationic agents, silicones, oils, or conditioning polymers.

Benefits

Offers flexible hold in hair products for lasting styles without stiffness.

Enhances hair softness, shine, and ease of combing by reducing friction.

Creates protective films in makeup and sunscreens for improved water and wear resistance.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
Individuals seeking durable, humidity-resistant hairstyles.
Those with known allergies to synthetic polymers.
People wanting smoother, more manageable hair from daily styling.
People preferring entirely natural or plant-based formulations.
Users of long-wear makeup or sunscreens needing transfer resistance.
Individuals experiencing contact dermatitis from film-forming agents.

Safety Notes

  • Rated low hazard by safety assessments for typical cosmetic use.
  • Minimal reports of irritation in clinical evaluations of polyurethanes.

Frequently Asked Questions about Polyurethane-14

What does Polyurethane-14 do in hair products?

It forms a flexible film for hold, shine, and manageability while reducing static and friction.

Is Polyurethane-14 safe for skin?

Safety reviews indicate low risk of irritation or sensitization in cosmetics at used levels.

Does it cause breakouts?

Rated non-comedogenic, suitable for acne-prone skin without pore-clogging concerns.