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Moumoujus

HORDEUM VULGARE LEAF POWDER.

Insufficient Data CAS 85251-64-5 / HUMECTANT, SKIN CONDITIONING

Hordeum Vulgare Leaf Powder, derived from young barley, is a nutrient-rich ingredient providing hydration, nourishment, and soothing benefits to the skin. It contributes to strengthening the skin barrier and offers protection against environmental stressors through its potent antioxidant profile.

Summary

humectant skin conditioning antioxidant soothing photoprotective

Science

Mechanism of Action

This ingredient functions as a humectant, effectively attracting and retaining moisture to enhance skin hydration and product stability. Its rich composition includes chlorophyll, superoxide dismutase (SOD), various vitamins (B, C, E), minerals, and amino acids, which collectively provide robust radical protection against oxidative stress. Furthermore, specific young barley extracts have demonstrated the ability to enhance fibroblast survival and migration, increase DNA biosynthesis, and inhibit MMP-2 and MMP-9 expression in UVB-exposed human skin cells, indicating protective and restorative effects.

Research

Clinical Evidence

Medium confidence
Effective range 2–5%
Optimal

N/A

Key findings

  1. 01 In vitro studies show that young barley extracts increase the survival rate and accelerate the migration of fibroblasts in research models following UVB radiation. These extracts also enhanced DNA biosynthesis and inhibited matrix metalloproteinase 2 (MMP-2) and matrix metalloproteinase 9 (MMP-9) expression, indicating protective and restorative effects against UV-induced damage.
  2. 02 For related Barley grass extract (Hordeum Vulgare Leaf Extract), recommended application concentrations for detox skincare, antioxidant protection, and green cosmetic concepts typically range from 2.0% to 5.0%.

Transparency

Dusting Analysis

Not commonly dusted

No specific data regarding dusting potential or thresholds for Hordeum Vulgare Leaf Powder is available in the research. Its powder form suggests dispersibility in aqueous formulations.

The Formula

Formulation

Solubility
Water
Optimal pH 3.9 – 7.2
0 7 14

Stability

The specified optimal pH range (3.9-7.2) applies to Barley Grass Extract (Hordeum Vulgare Leaf Extract). Given its powder form, the ingredient is expected to be dispersible in water. Its natural green pigmentation should be considered during product formulation.

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Moderate

The CIR Expert Panel issued an Insufficient Data Announcement (IDA) for Hordeum Vulgare Leaf Powder and other barley-derived ingredients, necessitating further data, including 28-day dermal toxicity, dermal irritation, and sensitization at maximum use concentrations for whole plant extracts. While a related Hordeum Vulgare Extract at 0.005% was non-irritating in a 48-hour patch test, and a 0.3% Hordeum Distichon (Barley) Extract showed 'negligible' irritation in a 14-day assay, a 1.8% Hordeum Distichon (Barley) Extract demonstrated a slight potential for dermal irritation in a Human Repeat Insult Patch Test (HRIPT). Concerns regarding pesticide residues, heavy metals, and botanical purity are noted. Isolated case reports of contact urticaria and eczema related to general barley exposure exist, suggesting a potential for sensitivity in predisposed individuals.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Insufficient Data

While demonstrating promising antioxidant, hydrating, and photo-protective properties in vitro, the current scientific data for Hordeum Vulgare Leaf Powder itself is insufficient to definitively assess its full safety and optimal efficacy profile in precision skincare.

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