Glutathione (GSH), specifically the L-Reduced form, is a naturally occurring tripeptide (L–cysteine, L–glutamic acid, and glycine) often called the body’s “Master Antioxidant.” It is critical for cellular defense, detoxification, and immune function. Topically, GSH delivers powerful skin-lightening, anti-aging, and detoxification benefits by directly neutralizing free radicals and significantly shifting the melanin production pathway from dark (eumelanin) to light (pheomelanin) pigment.
| INCI Name | Glutathione |
|---|---|
| CAS No. | 70-18-8 |
| Source | Biotechnological Fermentation |
| Appearance | White crystalline powder |
| Core Function | Skin Brightening, Master Antioxidant, Cellular Detoxification, Anti-aging, Tyrosinase Inhibition |
Are your premium brightening serums failing to deliver lasting results due to rapid active oxidation, or are cytotoxic lightening agents compromising your consumers’ skin barriers? For global procurement directors and senior cosmetic formulators, achieving true, cellular-level depigmentation and environmental detoxification without irritation is a persistent challenge. The ultimate solution is our ≥98% Purity L-Reduced Glutathione (GSH). Universally recognized as the “Master Antioxidant,” this highly bioavailable, biologically active tripeptide directly neutralizes Reactive Oxygen Species (ROS), forcefully shifts melanogenesis, and recycles cornerstone vitamins, delivering unparalleled brightening and anti-aging efficacy for the prestige cosmetic market.
In the highly competitive cosmeceutical sector, premium claims must be backed by undeniable cellular science. We lead with verifiable laboratory data to guarantee the performance of your formulations:
Targeted Melanin Shift: Clinically proven to directly inhibit tyrosinase activity while forcing the melanogenesis pathway to shift pigment production from dark eumelanin to lighter pheomelanin, resulting in a visible, rapid skin-lightening effect.
Standardized Ultra-Purity (≥ 98% L-Reduced Form): Delivers a highly concentrated dose of the biologically active GSH tripeptide (preventing the use of the inactive GSSG form), ensuring maximum cellular defense at optimal inclusion rates (0.5% – 2.0%).
Proven Antioxidant Recycling: Laboratory data confirms its essential role in regenerating spent Vitamin C and Vitamin E molecules, exponentially extending the oxidative defense life and stability of your entire formulation.
Cellular Survival & Detoxification: Confirmed efficacy in protecting keratinocytes and fibroblasts from apoptosis (cell death) induced by environmental toxins, acting as a crucial co-factor for the Glutathione-S-Transferase enzyme family.
For Senior Formulators: Extreme Formulation Compatibility
Take control of your active stability and formulation aesthetics. While Glutathione is sensitive to oxidation, our premium grade offers extreme formulation compatibility when processed correctly. It is highly water-soluble, integrating flawlessly into the aqueous phase of serums, detox masks, and post-inflammatory repair creams. By incorporating it during the cooling phase (below 40°C) and maintaining a slightly acidic pH (5.0 – 6.0), you ensure peak active stability. It serves as the ultimate synergistic booster, working effortlessly alongside other vitamins to protect the entire formula matrix from degradation.
For Brand Procurement: The Clean Beauty Top Choice
Modern consumers demand visible spot correction without the fear of chemical irritation or toxicity. Sourcing our ≥98% L-Reduced Glutathione provides your brand with a highly lucrative marketing narrative: the “Master Antioxidant.” It allows you to replace harsh, synthetic bleaching agents with a naturally occurring, highly biocompatible tripeptide. This positions your product perfectly within the Clean Beauty space, offering an advanced narrative of cellular detoxification, pollution defense, and premium skin illumination.
| Parameter | Specification (High Purity Grade) |
| Purity | ≥ 98% (L-Reduced Form GSH) |
| Molecular Weight | 307.32 g/mol |
| Recommended Dosage | 0.5% – 2.0% |
| Solubility | Water Soluble |
| Stability | Highly sensitive to oxidation (converts to inactive GSSG), light, and heat |
| Optimal pH Range | 5.0 – 6.0 |
| Storage Conditions | Store in a cool, dark, dry place; inert gas protection recommended. |
Accelerate your product development pipeline with these high-impact, synergistic combinations designed for advanced dermatological performance:
The Ultimate Master Brightening Matrix: Combine Glutathione + Vitamin C Derivatives (e.g., Ascorbyl Glucoside). This is the gold standard for stability and efficacy. Glutathione continuously recycles the oxidized Vitamin C, maximizing the tyrosinase-inhibiting punch and extending the shelf-life of your premium serum.
The Deep Cellular Detox Protocol: Pair Glutathione + Niacinamide. Niacinamide repairs the lipid barrier and blocks the transfer of melanosomes to keratinocytes, while Glutathione neutralizes intracellular oxidative stress and detoxifies urban pollutants—creating the ultimate urban defense system.
The Absolute Radiance & Spot Corrector: Utilize Glutathione + Glabridin. Glabridin suppresses melanin synthesis at the absolute root, while Glutathione shifts existing pigment production to lighter pheomelanin, resulting in a flawless, translucent complexion without hydroquinone.
Our state-of-the-art manufacturing processes adhere strictly to the highest international quality, purity, and safety standards, ensuring your final products meet global compliance effortlessly. We proudly hold the following pure certifications:
ISO 9001 Quality Management System
ISO 22000 Food Safety Management System
COSMOS (Natural and Organic Cosmetic Standard)
HALAL Certification
IQNET (The International Certification Network)
Do not let unstable active ingredients or inactive oxidized forms compromise the efficacy and reputation of your premium cosmetic lines. Upgrade your active matrix with the industry standard for master antioxidant defense and safe, cellular-level depigmentation.
Ready to revolutionize your illuminating and anti-aging formulations?
Empower your R&D and procurement teams today with uncompromised quality. Contact our B2B technical sales experts to access the complete Technical Dossier (TDS, MSDS, COA, and Clinical Efficacy Reports) and request your high-purity, odorless free sample immediately! Ensure your next product launch delivers the flawless, luminous results your consumers demand.
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