
L-Ergothioneine (EGT, CAS 497-30-3) | Powerful Antioxidant Cosmetic Active Ingredient | Amorewell
Product Information
Product Overview
L-Ergothioneine (EGT) is a naturally occurring sulfur-containing amino acid and high-performance antioxidant found in mushrooms and certain microorganisms.
It is recognized as a “cellular protective antioxidant” due to its ability to accumulate in skin cells and help protect them from oxidative stress caused by UV exposure and environmental pollution.
In modern skincare formulations, EGT is widely used in anti-aging, skin protection, and radiance-enhancing cosmetic systems.
Key Benefits
✔ Powerful antioxidant protection against free radicals
✔ Helps reduce oxidative stress in skin cells
✔ Supports skin barrier protection from environmental damage
✔ Suitable for anti-aging and premium skincare systems
✔ High stability in cosmetic formulations
✔ Compatible with other active ingredients (vitamin C, peptides, etc.)
Applications
Anti-Aging Skincare
- Anti-aging serums
- Wrinkle care formulations
- Skin firmness enhancement products
Skin Protection Systems
- UV stress protection formulations
- Pollution defense skincare
- Barrier repair systems
High-End Cosmetic Formulations
- Premium antioxidant serums
- Multi-active anti-aging systems
- Dermatology-inspired skincare products
Functional Role in Formulations
L-Ergothioneine works as a cell-protective antioxidant, helping neutralize reactive oxygen species (ROS) and supporting long-term skin health.
It is often used in combination with Vitamin C, Niacinamide, and peptides to enhance overall antioxidant performance in cosmetic systems.
Why Choose Amorewell L-Ergothioneine
Amorewell supplies high-purity advanced cosmetic actives for global skincare brands.
✔ Ultra-high purity (≥99%)
✔ Excellent oxidative stability
✔ Strong compatibility with actives systems
✔ Suitable for high-end anti-aging formulations
✔ Global cosmetic ingredient supply capability
Packaging
- 10 g / bottle
- 100 g / bottle
- Customized packaging available
Related Products
L-Ergothioneine (EGT, CAS 497-30-3) | Powerful Antioxidant Cosmetic Active Ingredient | Amorewell
- INCI Name: Ergothioneine
- CAS Number: 497-30-3
- Molecular Formula: C9H15N3O2S
- Molecular Weight: 229.3
- Appearance: White to off-white powder
- Purity: ≥99% (HPLC)
- Function: Antioxidant / skin conditioning agent
- Type: Natural amino acid derivative
- Solubility: Water soluble
- Stability: High stability under heat and pH variation



