L-Serine

COSMETICS INGREDIENT Product Code : 6044

L-Serine

L-Serine

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)

Storage: If you want to keep long-term Keep at room temperature Avoid direct sunlight and heat for at least 2 years.

INCI Name : L-Serine

Appearance:

Storage: Store under room temperature. Avoid Heat & Light.

Shelf Life: 24Months from manufacturing or testing date (Current Lot will expire: 10/2024)

Dosage (Range): 0.1% - 1%

Mix Method: Add into water phase. Avoid temperature above 60C.

Heat Resistance: Avoid heat above 60C

Product Specification:

Test	Specification
Appearance	White crystals or crystalline powder
Identification	Meets the requirements
Specific rotation [a]D20	+14.4 to +15.5
State of solution	98% Min
Chloride (Cl)	0.02% Max
Ammonium (NH4)	0.02% Max
Sulfate (SO4)	0.02% Max
Iron (Fe)	10ppm Max
Heavy Metals (Pb)	10ppm Max
Arsenic (As2O3)	1ppm Max
Loss on drying	0.2% Max
Residue on ignition (sulfated)	0.1% Max
Assay	99-101%
Other amino acids	Chromatographically Not detectable
pH	5.2-6.2

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