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PPG-26 BUTYL ETHER.

Valuable CAS 9003-13-8 / HAIR CONDITIONING, SKIN CONDITIONING

PPG-26 Butyl Ether is a versatile polyglycol ether that primarily functions as a skin and hair conditioning agent. It also effectively stabilizes formulations by acting as an emulsifier, surfactant, and solubilizer for immiscible ingredients.

Summary

Hair Conditioning Skin Conditioning Emulsifying Surfactant Solubilizer

Science

Mechanism of Action

This ingredient operates as a conditioning agent by forming a protective film on the skin or hair surface, thereby reducing transepidermal water loss and enhancing hydration and lubrication. Its surfactant properties lower surface tension, enabling it to act as an emulsifier, stabilizing oil-in-water or water-in-oil systems. As a solubilizer, it aids in dispersing lipophilic components like fragrances within aqueous solutions. For hair, it further contributes antistatic effects and improves overall combability.

Research

Clinical Evidence

Medium confidence
Effective range ≥2.5%
Optimal

2.5%

Key findings

  1. 01 Aftershave formulations containing 2.5% PPG-26 Butyl Ether demonstrated no skin irritation or sensitization in two 21-day home use tests conducted on a combined total of 106 subjects. General clinical evaluations also confirmed its non-irritating and non-sensitizing profile.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 7
0 7 14

Stability

PPG-26 Butyl Ether is chemically stable under standard formulation conditions. However, its polymer structure can undergo degradation via chain scission, oxidation, or hydrolysis of its ether bonds when exposed to high temperatures, extreme pH environments (below 4.0 or above 7.0), or intense UV radiation. It is valued for its ability to create lightweight, non-greasy textures that absorb readily into the skin.

Synergies

  • Frequently combined with PEG-40 Hydrogenated Castor Oil to create an effective solubilizing system for incorporating fragrances and oils into water-based formulations.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that PPG-26 Butyl Ether is safe for use in cosmetic products, provided formulations are non-irritating. While no specific maximum concentration restriction has been imposed by CIR, it has been clinically validated as non-irritating and non-sensitizing at concentrations of 2.5%. It is permissible for use in cosmetics within the European Union and is listed by the FDA as an approved indirect food additive in certain polymer applications. Although direct clinical testing shows no irritation, some animal studies on related PPG Butyl Ethers indicated potential for irritation, emphasizing meticulous formulation. Trace amounts of 1,4-dioxane, a potential byproduct of the ethoxylation process, can be effectively managed and controlled through purification steps.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

PPG-26 Butyl Ether is a valuable, multi-functional ingredient known for its effective skin and hair conditioning properties, formulation stabilization capabilities, and a clinically demonstrated low risk of irritation across all skin types.

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