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Moumoujus

HELIANTHUS ANNUUS SEED OIL UNSAPONIFIABLES.

Valuable CAS 8001-21-6 / SKIN CONDITIONING - EMOLLIENT

Helianthus Annuus Seed Oil Unsaponifiables is a highly refined lipid fraction derived from sunflower seeds, specifically engineered to deliver potent skin-nourishing and soothing benefits. It acts as a powerful emollient, targeting hydration and barrier restoration across diverse skin types.

Summary

Moisturizing Lipid-replenishing Soothing

Science

Mechanism of Action

This oily ingredient functions by supplying critical skin-identical molecules, including free fatty acids (notably barrier-fortifying linoleic acid), tocopherols (Vitamin E), and plant sterols. These components synergistically contribute to reinforcing the skin's natural barrier by restoring lipid bilayer organization, modulating ceramide synthesis, and activating peroxisome proliferator-activated receptor-alpha (PPAR-α). Its Vitamin E content also offers antioxidative and anti-inflammatory support, while lecithin aids in maintaining the hydrolipid layer.

Research

Clinical Evidence

Medium confidence
Effective range ≥2%
Optimal

2%

Key findings

  1. 01 A cream formulated with 2% Helianthus Annuus Seed Oil Unsaponifiables demonstrated a significant increase in skin moisturization by 48.6% after 1 hour, maintaining a 34.2% increase after 24 hours. Furthermore, twice-daily application over 4 weeks led to marked improvements in parameters related to skin dryness, roughness, and desquamation.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

As an oil-soluble ingredient, it exhibits robust stability across the typical pH ranges encountered in cosmetic formulations. Optimal performance and longevity require proper storage conditions, specifically protection from elevated heat and moisture, to prevent oxidative degradation and preserve its essential lipid composition.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that Helianthus Annuus (Sunflower) Seed Oil Unsaponifiables is safe for use in cosmetics. Formulators are advised to be aware of potential residual allergens, such as 2S albumins and sesquiterpene lactones, which may originate from other Helianthus annuus derived ingredients, and to ensure levels remain non-hazardous.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Helianthus Annuus Seed Oil Unsaponifiables is a valuable ingredient, clinically shown to significantly enhance skin hydration and barrier function, making it an excellent choice for improving skin health and resilience across all skin types.

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