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Frequently Asked Questions

Everything you need to know about our research peptides, documentation, shipping, and inquiry process.

General Questions

1. What is Peptides Princess?

Peptides Princess is a premium research peptide and beauty science supplier focused on high-purity peptide products, professional documentation, and global supply support.

We serve laboratories, skincare formulators, research buyers, and business partners who require reliable peptide solutions with clear specifications and responsive service.

We offer a selection of research peptides, beauty peptides, cosmetic ingredients, amino acid derivatives, and related compounds for laboratory research and formulation reference use.

Product availability may vary depending on batch, specification, and destination requirements.

Yes. All products displayed on our website are intended for research use, laboratory use, or formulation reference only.

They are not intended for human consumption, medical diagnosis, treatment, therapeutic use, or direct personal use.

No. Peptides Princess does not sell finished medicines, prescription drugs, or products intended for direct human use.

Our products are supplied for research and professional formulation reference purposes only.

Product & Quality

1. Do you provide COA for your products?

Yes. Certificate of Analysis, also known as COA, is available for selected products and batches.

You may contact our team to request product documentation before placing an order.

Depending on the product and batch, we may provide:

  • COA
  • HPLC reference
  • MS testing support
  • Purity information
  • Batch specification
  • Storage guidance

Availability of documents may vary by product.

Purity depends on the specific peptide and production batch. Many products are available with high-purity specifications suitable for research applications.

Please contact us with the product name and required specification, and our team will confirm the available purity and documentation.

We focus on reliable sourcing, batch control, analytical testing references, and proper packaging standards.

Each product is handled with attention to purity, documentation, storage, and shipping protection.

Secure Packaging

Protective packaging prepared for international handling.

Batch Documentation

COA availability and batch reference information for selected products.

Responsive Support

Support for product information, order updates, and documentation requests.

Manual Payment Verification

Orders are reviewed after payment confirmation for safer processing.