SkinWis
SkinWis Scientific

Skincare Ingredient

Sign in to save this ingredient

Save ingredients to your skin profile and we'll use them when you look up products — instantly flagging what's reactive, neutral, or works well for your skin.

C12-15 Alkyl Benzoate

In Skincare: Is C12-15 Alkyl Benzoate 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 assessments and broad cosmetic use indicate it is generally safe at typical concentrations. It is considered non-irritating and non-sensitizing in most formulations. Limited safety data is available for long-term use during pregnancy or on damaged skin.

Quick Insights

At a glance

  • 01

    C12-15 Alkyl Benzoate is a widely utilized emollient that helps soften and seal moisture in the skin.

  • 02

    In sunscreen formulations, C12-15 Alkyl Benzoate functions to evenly distribute active ingredients throughout the product.

  • 03

    C12-15 Alkyl Benzoate may enhance the SPF provided by some sunscreen actives.

  • 04

    Products containing C12-15 Alkyl Benzoate can offer a lightly conditioning and silky skin feel.

  • 05

    C12-15 Alkyl Benzoate has a demonstrated history of safe use in cosmetic applications.

Key Benefits

What C12-15 Alkyl Benzoate does for your skin

1 benefits
Hydration

Overview

Ingredient Profile

C12-15 alkyl benzoate is a synthetic ester used in skincare as an emollient to soften and seal in moisture, while also improving product texture. It readily dissolves in oils, providing a silky, non-greasy feel and aiding in the even distribution of ingredients like sunscreen actives. Studies suggest it may also enhance SPF performance, and its occlusive properties help maintain skin hydration. Safety assessments by the Cosmetic Ingredient Review Expert Panel have deemed it safe for use in cosmetics up to specified concentrations.
Classifications
Emollient
Texture Enhancer
Solvent

Data & Research

Scientific Facts

C12-15 Alkyl Benzoate is a clear, oil-soluble liquid with low viscosity. When incorporated into cosmetic products, it provides a light conditioning effect and contributes to a silky feel on the skin.

Common Uses

Formulation in C12-15 Alkyl Benzoate

In cosmetic formulations, C12-15 Alkyl Benzoate and related long-chain alkyl benzoates act as skin conditioning agents – specifically, emollients. C16-17 Alkyl Benzoate, Stearyl Benzoate, and Ethylhexyl Benzoate may also function as solvents within the product.

Role of C12-15 Alkyl Benzoate

Active Cosmetic Mechanisms

ANTIMICROBIAL

Germ Fighter

Inhibits the growth of bacteria, fungi, and other microorganisms

SCIENTIFIC ANALYSIS

// Evidence: Antimicrobial agents possess bactericidal, bacteriostatic, fungicidal, or fungistatic properties through disrupting cell membrane integrity, inhibiting protein synthesis, interfering with metabolic pathways, or damaging DNA/RNA. Common antimicrobials include quaternary ammonium compounds, alcohols, chlorhexidine, triclosan, and essential oils. Efficacy depends on concentration, pH, contact time, and microbial load.

SKIN CONDITIONING

Skin Enhancer

Maintains skin in good condition and improves its feel

SCIENTIFIC ANALYSIS

// Evidence: Skin conditioning ingredients enhance appearance, texture, and health of skin through various mechanisms. This broad category encompasses emollients, humectants, occlusives, and other agents that improve skin feel, appearance, and function. May work by moisturizing, smoothing, softening, or protecting skin. Effects include improved tactile properties, enhanced barrier function, and better overall skin condition.

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.

Products

containing C12-15 Alkyl Benzoate

4744 formulations
Sublime Bronze Self-Tanning Lotion
Sublime Bronze Self-Tanning Lotion
L'Oreal · body-skincare
Pure & Free Baby Sunscreen Stick SPF 50
Pure & Free Baby Sunscreen Stick SPF 50
Neutrogena · sunscreen
Sunflower Airy Sun Stick SPF 50+ PA++++
Sunflower Airy Sun Stick SPF 50+ PA++++
Skinfood · sunscreen

References

Scientific sources

[1]

The University of Toledo, May 2020, ePublication

[2]

Scientific Journal of the Faculty of Medicine in Nis, December 2013, pages 193-200

[3]

International Journal of Toxicology, November-December 2012, pages 342-372

Semantic Analysis

Similar Ingredients

Ingredients with similar chemical profiles and skincare properties.

Frequently Asked Questions

C12-15 Alkyl Benzoate — common questions

What is C12-15 Alkyl Benzoate in skincare?

C12-15 Alkyl Benzoate is a mixture of benzoic acid esters derived from benzoic acid and alcohols with carbon chain lengths ranging from 12 to 15. Other long-chain alkyl benzoate ingredients commonly found in cosmetics include C16-17 Alkyl Benzoate, Stearyl Benzoate, Isostearyl Benzoate, Ethylhexyl Benzoate, and Octyldodecyl Benzoate. These ingredients are utilized in a broad range of cosmetic products, such as baby care items, bath products, eye makeup, lipsticks, shaving preparations, sunscreen

What does C12-15 Alkyl Benzoate do? / Functions of C12-15 Alkyl Benzoate?

Common functions: ANTIMICROBIAL, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT.

What is the comedogenic rating of C12-15 Alkyl Benzoate? / Is C12-15 Alkyl Benzoate comedogenic?
2 2/5 — Low risk

C12-15 Alkyl Benzoate 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

C12-15 Alkyl Benzoate is unlikely to clog pores (rating 2/5).

Is C12-15 Alkyl Benzoate safe for skin?
1 1/5 — Very low risk

C12-15 Alkyl Benzoate 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 assessments and broad cosmetic use indicate it is generally safe at typical concentrations. It is considered non-irritating and non-sensitizing in most formulations. Limited safety data is availab

Is C12-15 Alkyl Benzoate good for sensitive skin?
1 1/5 — Very low risk

C12-15 Alkyl Benzoate 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 C12-15 Alkyl Benzoate in skincare?

Known considerations: CIR assessments and broad cosmetic use indicate it is generally safe at typical concentrations. It is considered non-irritating and non-sensitizing in most formulations. Limited safety data is available for long-term use during pregnancy or on damaged skin.

)