medicube - age-r glutathione glow toner Milky | Low-Irritation Double Layer Toner for Glass Glow Skin with Peptide Ideal for all skin types Glutathione Glow Toner Review by

Key Takeaways Epithalon is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) developed from pineal gland research by Professor Vladimir Khavinson in Russia, with over 40 years of study behind its mechanisms

The only downside is its a bit pricey

Refrigerated (2-8C) dry powder might last several months

Contamination at any step propagates through all subsequent concentrations

Available Options Custom purity levels Lyophilized powder format Flexible quantities from research to larger B2B project scale Project-specific documentation upon request Inquiry Request price, lead time, documentation and technical suitability for your intended professional application.