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NYLON-6/12.

Valuable CAS 25191-04-2 / ABSORBENT, BULKING, OPACIFYING

NYLON-6/12 is a versatile synthetic polymer, often presented as a spherical microporous powder, primarily used in skincare for its absorbent, bulking, and opacifying properties. It effectively manages skin greasiness and delivers a smooth, matte finish, enhancing the sensorial experience of formulations.

Summary

absorbent/mattifier bulking agent opacifying agent film-forming agent emollient controlled release agent

Science

Mechanism of Action

This ingredient functions by efficiently absorbing excess water and oil, thus reducing shine and stickiness on the skin. As a bulking agent, it decreases the apparent density of cosmetic products. Its unique microporous structure, with a higher surface area and lower crystallinity compared to Nylon-6, allows it to adsorb active cosmetic ingredients in significant quantities and release them in a controlled, sustained manner. When formulated, particularly as a fine powder, it imparts a velvety touch, offers a soft focus effect to visually blur imperfections, and acts as both a film-forming agent and an emollient, improving product longevity and contributing to skin moisturization.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

1%

Key findings

  1. 01 Nylon 6/12 was an active component in an anti-redness serum clinically demonstrated to significantly alleviate facial redness linked to winter xerosis in individuals with self-perceived sensitive skin. The product exhibited excellent tolerability with no reported adverse reactions.
  2. 02 In a patent, Nylon 6/12 (specifically Orgasol® 4000 EXD NAT COS Caresse) was incorporated at 1.00% within a cosmetic composition to enhance the sun protection factor and boost water resistance in sunscreen products.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Nylon 6/12 exhibits robust stability across a wide pH spectrum and demonstrates good compatibility with various electrolytes. As a spherical microporous powder, it is specifically designed for straightforward dispersion in water-continuous formulations and possesses a high absorption capacity for both aqueous and oily components.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Nylon 6/12, alongside related nylons, is safe for use in cosmetics under current practices. Clinical studies have consistently shown no irritation, sensitization, photo-irritation, photo-sensitization, or product-related adverse reactions. Furthermore, Nylon 6/12 is approved by the FDA for indirect food contact surfaces (21 CFR §177.1500).

Your Skin

Skin Compatibility

Yes Normal
No Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Nylon-6/12 is a valuable ingredient due to its multifaceted benefits, including oil absorption, texture enhancement, a matte finish, and controlled active ingredient release, making it suitable for a broad spectrum of skin types with a reassuringly low risk of irritation or comedogenicity.

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