Trans-L-4-Hydroxyproline, Double Refined Cosmetic Grade and AJI92

Weight: 200g
Sale price$78.00


Trans-L-4-Hydroxyproline, Double Refined, Cosmetic Grade, and AJI92—an exceptional compound revered for its purity and excellence in cosmetic formulations. This refined form of Trans-L-4-Hydroxyproline stands as a testament to its premium quality, meeting the stringent standards of both cosmetic grade requirements and the AJI92 specifications.


Product Name:


CAS No.:




Chemical Formula:


Molecular Weight:



L-Hydroxyproline; trans-L-Hydroxyproline




Analytical Procedure




White crystalline powder



99.0% min. (HPLC)


Specific rotation [α]D20:

-75º~76º (C=4 in H2O)


State of solution:

Clear and colorless



98.0% min.


Loss on drying

0.20% max.


Residue on ignition [sulfated]:

0.10% max.


Chloride [Cl-]:  

0.020% max.


Ammonium [NH4+]:

0.020% max.


Sulfate [SO4]:

0.020% max.


Iron [Fe]:

10 ppm max.


Heavy metals [Pb]:

10 ppm max.


Arsenic [As2O3]:

1 ppm max.


Other amino acids:

0.020% max.



Key Features:

  • Purity and Refinement: Double-refined to ensure the highest level of purity, guaranteeing superior quality for cosmetic applications and formulations.
  • Cosmetic-Grade Precision: Tailored to meet the exacting standards of the cosmetic industry, ensuring safety and efficacy in skincare and beauty formulations.
  • AJI92 Compliance: Meets the strict specifications outlined by AJI92, underscoring its suitability for a range of cosmetic and pharmaceutical applications.
  • Exceptional Properties: Known for its potential benefits in promoting collagen synthesis and skin health, enhancing its appeal in skincare formulations.
  • Versatile Compatibility: Well-suited for various cosmetic formulations, ensuring compatibility and effectiveness in diverse beauty products.


  1. Skincare Formulations: Incorporated into serums, creams, and lotions for its reported benefits in supporting collagen production and maintaining skin health.
  2. Beauty Products: Utilized in anti-aging products, moisturizers, and treatments, harnessing its potential to promote skin elasticity and resilience.
  3. Cosmetic Innovations: Ideal for new product development, offering opportunities to enhance the efficacy and performance of emerging skincare solutions.
  4. Pharmaceutical Applications: Apt for pharmaceutical formulations targeting skin health and collagen-related therapies, ensuring purity and AJI92 compliance.

Trans-L-4-Hydroxyproline, Double Refined, Cosmetic Grade, and AJI92 represents the epitome of purity and precision, catering to the stringent requirements of the cosmetic and pharmaceutical industries. Elevate your formulations with this refined compound, recognized for its quality, safety, and potential benefits in promoting skin health and beauty.

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