Product Description

Carnosine, also known as L-Carnosine, is a natural dipeptide formed by the condensation of β-alanine and L-histidine, with molecular formula C₉H₁₄N₄O₃ and CAS No. 305-84-0. It is manufactured via a controlled chemical synthesis route and refined into crystalline powder through multiple processes including purification, recrystallization, filtration and low-temperature drying. Segmented quality control is implemented throughout production to manage related impurities and residual solvents, ensuring stable physicochemical indicators and controllable batch variation.

This dipeptide ingredient is widely used for cosmetic formulation. It is supplied to formulation R&D laboratories and cosmetic manufacturers, for preliminary sample preparation, ingredient matching, process parameter exploration and final formulation tuning of various water-based formulas. We can provide complete supporting test documents upon request.

COA

Items	Specifications
Appearance	White to off-white powder
Purity	≥99.0%
Water Content(KF)	≤1.0%
Specific Rotation	+20.0° ~ +23.0°
Residue on Ignition	≤0.2%
Lead	≤2 ppm
Arsenic	≤1 ppm
Cadmium	≤1 ppm
Mercury	≤0.1 ppm
Total Aerobic Count	≤1000 CFU/g
Yeast & Mold	≤100 CFU/g
E.Coli, Salmonella	Negative
Shelf Life	24 months (sealed and stored away from light)

Functions and Effects

◆ Water Solubility

Carnosine is a polar dipeptide with high water solubility, forming a clear solution after dissolution. Its solution remains stable within a suitable pH range and is not prone to crystallization, fitting the feeding process of aqueous formulations.

◆ Foulation Compatibilityrm

It has good compatibility with common ionic and non-ionic auxiliary materials. It can be blended with polyols, amino acid derivatives and other ingredients, and hardly changes the basic state of the system, supporting diverse formula frameworks.

◆ Solution Tolerance

It shows good structural tolerance within conventional processing temperature and pH ranges for cosmetic formulations. Sealed and light-shielded storage can slow down physicochemical changes caused by external factors, facilitating raw material storage and formula sample retention.

Application Fields

Skincare Formulation Development

It is used as a formula component in toners, serums, gels, creams and other skincare systems for sample preparation, ratio adjustment and formula screening.

Personal Care Formulation

Tuning It can be incorporated into water-based bath and hair care formulations as an ingredient for new product trials and compatibility tests.

Fundamental Formulation Research

Supplied to cosmetic R&D laboratories for binary blending and substrate compatibility tests, supporting the development of new formula concepts.