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GLYCERYL DIOLEATE/LINOLEATE/LINOLENATE.

Valuable CAS - / HAIR CONDITIONING

This complex diglyceride, a blend of glyceryl dioleate, linoleate, and linolenate, serves as a versatile skin conditioning agent, emollient, and emulsifier. It actively contributes to skin hydration, barrier reinforcement, and overall skin health, promoting a resilient and soothed complexion.

Summary

emollient skin conditioning emulsifying moisturizing anti-inflammatory barrier-repairing acne-reducing skin-lightening antioxidant

Science

Mechanism of Action

Operating as an emollient and skin conditioner, GLYCERYL DIOLEATE/LINOLEATE/LINOLENATE restores the skin's lipid barrier and enhances its natural defenses. Its linoleate and linolenate components deliver vital linoleic and linolenic acids, which are critical for ceramide synthesis, regulating epidermal differentiation, and promoting lipid production essential for barrier function. Linoleic acid further supports wound healing, offers photoprotection, and can contribute to skin brightening by inhibiting tyrosinase activity and melanin synthesis. These actions collectively maintain skin elasticity, reduce inflammation, and protect against environmental stressors.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

2.5%

Key findings

  1. 01 A 2.5% linoleic acid gel, a primary component of linoleate/linolenate, applied for 4 weeks demonstrated a 25% reduction in microcomedone size, indicating significant acne-reducing properties.
  2. 02 Related diglycerides like Glyceryl Dilaurate at 0.5% in a lotion showed no skin irritation over 16-21 weeks, supporting the general tolerability of this class of ingredients.
  3. 03 Glyceryl Dioleate and Glyceryl Linoleate, key components, were tested at high concentrations (up to 50% w/v and w/w respectively) in repeated insult patch tests on human subjects, inducing no skin irritation or sensitization.

Transparency

Dusting Analysis

Not commonly dusted

Information regarding 'dusting' and specific dusting thresholds for GLYCERYL DIOLEATE/LINOLEATE/LINOLENATE is not available in the provided research data.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Glyceryl Dioleate exhibits low water solubility but is soluble in DMF and Ethanol. As an emulsifier, it facilitates stable oil-in-water mixtures. While optimal pH for the full blend is not specified, linolenic acid (a component) demonstrated peak stability in vesicles at pH 8.5 over 30 days. Oxidative degradation of linolenic acid is a known concern during processing, which can be mitigated through microencapsulation to extend shelf life.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Glyceryl Dioleate and other Glyceryl Diesters are safe for cosmetic use, provided the content of 1,2-diesters is not excessively high to avoid inducing epidermal hyperplasia. Diglycerides predominantly in the 1,3-diester form do not pose significant acute toxicity, irritation, sensitization, or photosensitization risks. Glyceryl Linoleate is generally well-tolerated, with sensitivities being rare. Mono- and diglycerides are affirmed as Generally Recognized As Safe (GRAS) by the FDA and approved as indirect food additives. No specific SCCS opinion for this exact blend was found.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

GLYCERYL DIOLEATE/LINOLEATE/LINOLENATE is a valuable multifunctional ingredient, offering robust emollient and barrier-repairing properties derived from essential fatty acids, coupled with anti-inflammatory and potential acne-reducing benefits, making it suitable for a wide range of skin types with a low risk of irritation or sensitization.

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