Cystine

-Plant extracts

Cystine
Cystine

1.High quality plant extracts;
2.Organic and Natural；
3.Better stability.

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Product information

L-Cystine

Basic Properties

L-Cystine is a sulfur-containing amino acid, CAS: 56-89-3, mainly derived from animal keratin hydrolysis. It is essential for keratin synthesis, improves hair, nail and skin health, accelerates wound healing and boosts antioxidant capacity. White crystalline powder, insoluble in water, meets food, cosmetic, pharmaceutical and feed grades. Store airtight in cool, dry, dark warehouse to prevent oxidation. Full COA, HPLC, microbial and heavy metal test reports supplied per batch.

Production Technology

Natural wool/horn keratin raw material acid hydrolysis, neutralization, decolorization, recrystallization and low-temperature drying. Strict impurity and residual acid control, high optical purity L-type monomer without D-cystine impurity.

Core Advantages

High purity & stable crystal form, uniform mixing with tablet, capsule and cosmetic formulas. Synergistic effect with biotin, collagen and vitamin for hair-nail care products. Natural hydrolyzed amino acid raw material with wide application range.

Application Fields

  1. Health supplements: hair growth, nail strengthening nutritional tablets, antioxidant beauty oral capsules
  2. Cosmetic raw materials: hair care shampoo, repair mask, anti-aging facial care additives
  3. Pharmaceutical raw material: amino acid infusion, wound repair compound preparations
  4. Feed additive: livestock & poultry feather growth premix additive

Storage & Operation

Vacuum aluminum foil bag + fiber drum packing, warehouse RH ≤60%, avoid high temperature and strong light. Wear dust-proof gloves and masks during weighing and blending, seal tightly after opening to prevent oxidation yellowing.

Our Advantages

Stable long-term inventory, customizable purity grades. Support lab trial samples and mass bulk wholesale with complete qualification certificates.

Related raw material link: Emodin

Global amino acid raw material compliance standard: FDA Official Portal