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Skincare Ingredient

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Behenyl Alcohol

In Skincare: Is Behenyl Alcohol Safe? Comedogenic Rating & Side Effects

Comedogenicity (pore clogging)
2/5 — Low risk
Safety (overall safety)
1/5 — Very low risk
Irritancy (skin irritation)
1/5 — Very low risk

Safety Information

CIR-reviewed fatty alcohol used as emollient/thickener; generally non-irritating and low sensitization risk, with low (but not zero) comedogenic potential in acne-prone users. The Cosmetic Ingredient Review Expert Panel concluded it is safe for use in cosmetics. Limited safety data is available for long-term or high-concentration applications.

Quick Insights

At a glance

  • 01

    Behenyl alcohol is a fatty alcohol that does not have drying properties.

  • 02

    This ingredient functions as both a thickener and a moisturizing agent in cosmetic formulations.

  • 03

    Behenyl alcohol is also identified as 1-docosanol.

  • 04

    The CIR Expert Panel has determined behenyl alcohol to be safe for use in cosmetics.

Key Benefits

What Behenyl Alcohol does for your skin

1 benefits
Hydration

Overview

Ingredient Profile

Behenyl alcohol is a fatty alcohol that functions as a thickening agent and emulsifier in skincare formulations, helping to stabilize products and improve their texture. Derived from synthetic or plant sources, it provides moisturizing benefits without the drying effects associated with some other alcohols. This ingredient is considered safe for topical use and is not known to clog pores, as affirmed by the Cosmetic Ingredient Review panel.
Classifications
Texture Enhancer
pH Adjuster/Stabilizer

Data & Research

Scientific Facts

Behenyl Alcohol, along with Cetearyl, Cetyl, Myristyl and Isostearyl Alcohols, are straight-chain alcohols. Isostearyl Alcohol is a branched chain alcohol. These alcohols contribute to the texture and performance characteristics of cosmetic products.

Common Uses

Formulation in Behenyl Alcohol

Fatty alcohols like Behenyl Alcohol are used to stabilize emulsions, preventing the separation of oil and water in cosmetic formulations. They can also be utilized to adjust the viscosity (thickness) of liquid products and enhance foaming capabilities in cleansing formulations.

Role of Behenyl Alcohol

Active Cosmetic Mechanisms

BINDING

Ingredient Binder

Holds ingredients together in solid products

SCIENTIFIC ANALYSIS

// Evidence: Binding agents provide cohesion and structural integrity in compressed or formed solid products. These include hydrophilic binders (gums, cellulose derivatives, PVP) that swell and create adhesive films, lipophilic binders (waxes, oils) that melt and solidify to cement particles, or polymeric binders. The mechanism involves particle-particle adhesion through van der Waals forces, hydrogen bonding, or mechanical interlocking.

EMULSION STABILISING

Emulsion Stabilizer

Prevents oil and water mixtures from separating

SCIENTIFIC ANALYSIS

// Evidence: Emulsion stabilizers maintain dispersion of immiscible phases by preventing droplet coalescence through interfacial film formation, electrostatic repulsion, steric stabilization, viscosity enhancement, or network formation. Stabilizers include polymers (carbomers, xanthan gum), proteins, and modified celluloses. The combination of primary emulsifiers with secondary stabilizers creates robust lamellar liquid crystalline structures.

SKIN CONDITIONING - EMOLLIENT

Skin Softener

Softens and smooths skin by filling gaps between cells

SCIENTIFIC ANALYSIS

// Evidence: Emollient ingredients create smooth, soft skin by filling spaces between corneocytes in stratum corneum. These include esters (isopropyl palmitate), oils (jojoba, argan), fatty alcohols, and silicones. The mechanism involves spreading on skin surface, filling microscopic irregularities, and creating lubricious film. Effects are immediate tactile improvement and visual smoothing. Emolliency measured by spreading coefficient and skin feel assessments.

VISCOSITY CONTROLLING

Thickness Regulator

Adjusts product thickness and flow properties

SCIENTIFIC ANALYSIS

// Evidence: Viscosity controlling ingredients modify product flow characteristics through thickening or thinning. Thickeners include natural gums (xanthan, guar), synthetic polymers (carbomers, acrylates), and inorganic thickeners (silica, clays). Mechanism varies: polymer chain entanglement, hydrogen bonding networks, particle association, or swelling. Rheology modifiers create desired texture, prevent separation, control application properties, and affect sensory perception. Can produce Newtonian (constant viscosity) or non-Newtonian (shear-thinning, thixotropic) flow behavior.

Products

containing Behenyl Alcohol

4527 formulations
UV Shield Aqua Fresh Essence SPF 50 PA++++
UV Shield Aqua Fresh Essence SPF 50 PA++++
Wardah · sunscreen
BB Cream with SPF 15
BB Cream with SPF 15
Burt's Bees · makeup
Liftactiv Supreme
Liftactiv Supreme
Vichy · moisturizer

References

Scientific sources

[1]

International Journal of Cosmetic Science, April 2017, pages 206-216

[2]

International Journal of Toxicology, May 2014, pages 77-142

[3]

Expert Opinion on Pharmacotherapy, March 2010, Volume 11, pages 853-860

[4]

Journal of the American College of Toxicology, 1988, pages 1-55

[5]

CosmeticsInfo.org, ePublication

Semantic Analysis

Similar Ingredients

Ingredients with similar chemical profiles and skincare properties.

Frequently Asked Questions

Behenyl Alcohol — common questions

What is Behenyl Alcohol in skincare?

Behenyl alcohol is a white, waxy solid. It’s part of a group of fatty alcohols – Cetearyl Alcohol, Cetyl Alcohol, Myristyl Alcohol, and Isostearyl Alcohol – commonly used in cosmetics. Cetearyl Alcohol is a mixture primarily composed of Cetyl and Stearyl Alcohols, which are naturally occurring fatty alcohols found in small amounts in plants and animals. Myristyl Alcohol has 14 carbon atoms, while Cetyl, Stearyl, and Isostearyl Alcohols have 16-18 carbon atoms. Behenyl Alcohol is the longest chai

What does Behenyl Alcohol do? / Functions of Behenyl Alcohol?

Common functions: BINDING, EMULSION STABILISING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING.

What is the comedogenic rating of Behenyl Alcohol? / Is Behenyl Alcohol comedogenic?
2 2/5 — Low risk

Behenyl Alcohol has a comedogenic rating of 2 out of 5. A rating of 2 means it is unlikely to clog pores.

Does it clog pores?
Unlikely to Clog Pores

Behenyl Alcohol is unlikely to clog pores (rating 2/5).

Is Behenyl Alcohol safe for skin?
1 1/5 — Very low risk

Behenyl Alcohol has a safety rating of 1 out of 5. A rating of 1 means it is generally considered safe for most skin types. Note: CIR-reviewed fatty alcohol used as emollient/thickener; generally non-irritating and low sensitization risk, with low (but not zero) comedogenic potential in acne-prone users. The Cosmetic Ingredient

Is Behenyl Alcohol good for sensitive skin?
1 1/5 — Very low risk

Behenyl Alcohol has an irritancy rating of 1 out of 5. A rating of 1 means it is generally well-tolerated.

What are the side effects of Behenyl Alcohol in skincare?

Known considerations: CIR-reviewed fatty alcohol used as emollient/thickener; generally non-irritating and low sensitization risk, with low (but not zero) comedogenic potential in acne-prone users. The Cosmetic Ingredient Review Expert Panel concluded it is safe for use in cosmetics. Limited safety data is available for long-term or high-concentration applications.

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