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Moumoujus

ARABINOSE.

Valuable CAS 10323-20-3 / HUMECTANT, SKIN CONDITIONING

A high-performance plant pentose sugar that functions as a dual-action bioactive for skin architecture and microbiome health. This low-molecular-weight saccharide serves as both a structural humectant and a prebiotic to reinforce the skin's natural defense systems.

Summary

Humectant Prebiotic Anti-aging Skin-conditioning Barrier-repair

Science

Mechanism of Action

Arabinose operates through multiple pathways: it utilizes its hydroxyl groups to form robust hydrogen bonds with water molecules, significantly increasing moisture retention within the epidermis. Beyond hydration, it penetrates the skin to stimulate fibroblast activity and Type I collagen synthesis, while acting as a prebiotic substrate to support beneficial skin flora and protecting the collagen matrix from glycation-induced degradation.

Research

Clinical Evidence

High confidence
Effective range 1–15%
Optimal

5%

Key findings

  1. 01 Application of 1.0% to 3.0% concentrations demonstrated a significant reduction in transepidermal water loss (TEWL) and sustained hydration levels for up to 4 hours.
  2. 02 Clinical trials at 5.0% to 10.0% concentrations confirmed measurable improvements in skin firmness, epidermal regeneration, and a visible reduction in wrinkle depth.
  3. 03 Research indicates that at acidic pH levels (≤3.5), arabinose improves overall skin condition without the risk of collagen matrix glycation.

Transparency

Dusting Analysis

Commonly dusted
Min. effective
1%
Red flag below
0.5%

Arabinose is frequently included in formulas at sub-clinical levels (<1.0%) to claim prebiotic or hydrating benefits; however, therapeutic results for skin firmness and significant barrier repair require concentrations of at least 1.0% to 5.0%.

The Formula

Formulation

Solubility
Water
Optimal pH 3 – 7
0 7 14

Stability

Highly stable in aqueous solutions within acidic and neutral ranges. Stability is compromised in alkaline environments (pH > 8.0).

Synergies

  • Rhamnose
  • Hyaluronic Acid
  • Probiotics
  • Peptides

Conflicts

  • Strong oxidizing agents
  • High processing temperatures (>80°C) which may trigger Maillard browning in the presence of amino acids

Safety

Safety Profile

CIR Status
Safe as used
Max tested
15%
Pregnancy
Safe
Sensitization risk Low

Recognized as a GRAS (Generally Recognized as Safe) substance by the FDA and confirmed safe by the CIR Expert Panel in 2021.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A scientifically validated sugar molecule that offers significant anti-aging and barrier-strengthening benefits when formulated at 1.0% or higher.

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