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Moumoujus

HELIANTHUS ANNUUS SEED.

Valuable CAS 84625-38-7 / SKIN CONDITIONING

Helianthus Annuus Seed Oil, derived from sunflower seeds, is a rich emollient abundant in linoleic and oleic fatty acids and Vitamin E. It effectively hydrates and smooths the skin by supporting the natural barrier function.

Summary

emollient skin conditioning antioxidant anti-inflammatory barrier reinforcing antibacterial

Science

Mechanism of Action

This oil functions as an emollient, smoothing and hydrating the skin. Its composition, primarily 50-74% linoleic acid and 14-35% oleic acid, alongside Vitamin E, is key. Linoleic acid is vital for maintaining the skin's natural barrier integrity, enhancing moisture retention, and facilitating ceramide synthesis. It forms a medium-weight occlusive layer, measurably reducing transepidermal water loss (TEWL) and shielding against environmental aggressors. The Vitamin E content provides significant antioxidant and anti-inflammatory benefits, guarding against free radical damage and mitigating premature aging. Its anti-inflammatory action also soothes irritated skin, offering benefits for conditions like eczema. Furthermore, it can modulate ceramide synthesis and activate peroxisome proliferator-activated receptor-alpha (PPAR-α), which strengthens barrier integrity and may improve the transdermal delivery of other active ingredients.

Research

Clinical Evidence

High confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 In a serum formulation, it demonstrated antibacterial activity against P. acnes ATCC 6919, producing an inhibition zone diameter of 12.76 ± 0.03 mm.
  2. 02 Effective and safe for mild to moderate plaque-type psoriasis, achieving a 40-50% improvement in DLQI scores without adverse events.
  3. 03 Applied topically to premature infants, it reduced sepsis by 41% and mortality by 26% through improved skin barrier function.
  4. 04 In a study on adults, it proved more effective than olive oil at improving skin hydration and maintaining the integrity of the skin's outer layer.

Transparency

Dusting Analysis

Not commonly dusted

As a primary emollient and skin conditioner, Helianthus Annuus Seed Oil is typically incorporated at functional concentrations, rendering 'dusting' considerations less relevant than for potent active ingredients.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Being a non-aqueous product, its inherent stability is not primarily pH-dependent, though the oil itself exhibits a neutral pH of approximately 7.0. It blends easily and is compatible with a wide array of common cosmetic ingredients.

Synergies

  • May facilitate the transdermal delivery of other active ingredients.

Conflicts

  • High-oleic acid variants may potentially compromise barrier function and promote the penetration of allergens or irritants.
  • Can increase the absorption of retinoids, which might lead to heightened side effects, especially for individuals with sensitive skin.
  • As a botanical ingredient, it may contain trace amounts of natural allergens like 2S albumins and sesquiterpene lactones, requiring careful formulation to limit impurities.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Helianthus Annuus Seed Oil is safe for use in cosmetic products under current practices. However, formulators are advised that some sunflower-derived ingredients may contain natural allergens, such as 2S albumins and sesquiterpene lactones, necessitating good manufacturing practices to limit impurities.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This multi-functional oil significantly enhances skin barrier integrity, provides deep hydration, soothes inflammation, and offers antioxidant protection, making it a robust ingredient for diverse skin concerns.

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