“Amino-acid family evidence including alanine: adding glycine, alanine and proline to sodium hyaluronate enhanced moisturizing efficacy in cellular and tissue skin models.”
L-Alanine
Cosmetics
Code: 6045
L-Alanine
L-Alanine
Usage: For any product
Mixing method: Mix in water
Rate of use: 0.1-1%
Product characteristics: White powder, light color
Solubility: Can dissolve in water (Please check the dissolution level)
INCI Name : L-Alanine
- Room (25-40C)
- 24 Months from manufacturing or testing date.
- 0.10% - 1.00%
- 0.00%
- Add into water phase. Avoid temperature above 60C.
- Avoid heat above 60C
- 0.00 - 0.00
- Soluble in Water
- › ALANINE
- -
| Test Name | Specification |
|---|---|
| Description | White crystalline powder |
| Specific Rotation | 13.5deg to 15.5deg |
| Chloride (max) | 0.05 |
| Sulfate (max) | 0.03 |
| Heavy metals (Pb) | 20ppm Max |
| Iron (Fe) | 20ppm Max |
| Loss on drying | 0.2% Max |
| Residue on ignition | 0.15% Max |
| C3H7NO2 Assay | 98.5-101.5% |
| pH value (5% in water) | 5.5-7.0 |
“Ingredient-family evidence: amino acids are components of natural moisturizing factor, which is essential for stratum corneum hydration, barrier homeostasis, desquamation and plasticity.”
“Ingredient-family evidence: removal or alteration of NMF amino-acid components is associated with changes in stratum corneum water-handling and biophysical properties relevant to dry skin.”
“Analytical skin evidence: direct quantification methods measure amino acids as natural moisturizing factors in stratum corneum, supporting amino-acid NMF relevance for hydration research.”
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