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Skincare Ingredient

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Hydrogenated Polydecene

In Skincare: Is Hydrogenated Polydecene Safe? Comedogenic Rating & Side Effects

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

Safety Information

Hydrogenated Polydecene is a synthetic hydrocarbon used as an emollient in cosmetics with low potential for irritation and comedogenicity. The Cosmetic Ingredient Review (CIR) and Environmental Working Group (EWG) have assessed it as generally safe for use in cosmetic products when used as directed.

Key Benefits

What Hydrogenated Polydecene does for your skin

1 benefits
Hydration

Overview

Ingredient Profile

Hydrogenated polydecene is a synthetic emollient that helps soften and smooth skin. It forms a lightweight, non-occlusive film on the skin's surface, which can contribute to barrier support. This ingredient is commonly used in skincare products for its moisturizing and texture-enhancing properties.
Classifications
Emollient
Polymer
Solvent

Role of Hydrogenated Polydecene

Active Cosmetic Mechanisms

FRAGRANCE

Scent Provider

Adds pleasant scent to cosmetic products

SCIENTIFIC ANALYSIS

// Evidence: Fragrance ingredients provide aromatic appeal through essential oils, aroma chemicals, and natural extracts. These volatile compounds interact with olfactory receptors creating scent perception. Fragrance design considers top notes (high volatility), middle notes (moderate volatility), and base notes (low volatility) for scent development over time. Must consider stability, allergen content, and regulatory compliance.

HAIR CONDITIONING

Hair Softener

Improves hair manageability, softness, and appearance

SCIENTIFIC ANALYSIS

// Evidence: Hair conditioning ingredients smooth the cuticle, reduce frizz, and add shine through cationic surfactants (behentrimonium chloride), silicones (dimethicone, amodimethicone), natural oils, and proteins. These deposit on negatively charged damaged sites, neutralizing charge, filling surface irregularities, and providing lubrication. Mechanism involves electrostatic attraction, film formation, and surface smoothing.

PERFUMING

Fragrance Provider

Provides fragrance to enhance product appeal

SCIENTIFIC ANALYSIS

// Evidence: Perfuming ingredients add pleasant scents through complex mixtures of natural essential oils, aroma chemicals, and synthetic compounds. These volatile molecules evaporate and interact with olfactory receptors. Perfume construction uses top notes (citrus, herbs - high volatility), middle notes (floral, spice - moderate volatility), and base notes (woods, musks - low volatility) creating evolving scent profile. Must consider stability, allergen declaration, and IFRA compliance.

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.

SOLVENT

Ingredient Dissolver

Dissolves other ingredients to create uniform formulations

SCIENTIFIC ANALYSIS

// Evidence: Solvents dissolve, dilute, or disperse other ingredients creating homogeneous solutions. Water is universal solvent for hydrophilic ingredients. Organic solvents include ethanol (dissolves fragrances, some actives), propylene glycol, and glycerin. Selection based on polarity matching between solvent and solute. Mechanism involves disrupting intermolecular forces in solute and surrounding with solvent molecules. Critical for maintaining ingredient solubility and product stability.

Products

containing Hydrogenated Polydecene

2258 formulations
Body Hero Daily Perfecting Cream
Body Hero Daily Perfecting Cream
Glossier · body-skincare
Kouji Treatment Eye Cream
Kouji Treatment Eye Cream
Hada Labo · eye-lip-care
Chia Seed Hydro Lotion
Chia Seed Hydro Lotion
The Face Shop · moisturizer

References

Scientific sources

[1]

SpecialChem.com, Accessed March 2021, ePublication

[2]

International Journal of Toxicology, September 2020, pages 59S-90S

[3]

Revista de Chimie -Bucharest, 2019, pages 2,764-2,768

Semantic Analysis

Similar Ingredients

Ingredients with similar chemical profiles and skincare properties.

Frequently Asked Questions

Hydrogenated Polydecene — common questions

What is Hydrogenated Polydecene in skincare?

1-Decene, homopolymer, hydrogenated

What does Hydrogenated Polydecene do? / Functions of Hydrogenated Polydecene?

Common functions: FRAGRANCE, HAIR CONDITIONING, PERFUMING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SOLVENT.

What is the comedogenic rating of Hydrogenated Polydecene? / Is Hydrogenated Polydecene comedogenic?
1 1/5 — Very low risk

Hydrogenated Polydecene has a comedogenic rating of 1 out of 5. A rating of 1 means it is unlikely to clog pores.

Does it clog pores?
Unlikely to Clog Pores

Hydrogenated Polydecene is unlikely to clog pores (rating 1/5).

Is Hydrogenated Polydecene safe for skin?
1 1/5 — Very low risk

Hydrogenated Polydecene has a safety rating of 1 out of 5. A rating of 1 means it is generally considered safe for most skin types. Note: Hydrogenated Polydecene is a synthetic hydrocarbon used as an emollient in cosmetics with low potential for irritation and comedogenicity. The Cosmetic Ingredient Review (CIR) and Environmental Workin

Is Hydrogenated Polydecene good for sensitive skin?
1 1/5 — Very low risk

Hydrogenated Polydecene 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 Hydrogenated Polydecene in skincare?

Known considerations: Hydrogenated Polydecene is a synthetic hydrocarbon used as an emollient in cosmetics with low potential for irritation and comedogenicity. The Cosmetic Ingredient Review (CIR) and Environmental Working Group (EWG) have assessed it as generally safe for use in cosmetic products when used as directed.

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