Pure Adenosine

Adenosine is a naturally occurring purine nucleoside and one of the most clinically supported anti-ageing actives in cosmetic science. Working through receptor signalling rather than cell turnover, it helps stimulate collagen synthesis, improve firmness and elasticity, and smooth the look of fine lines and wrinkles — without the irritation or photosensitivity associated with retinoids, making it suitable for all skin types including sensitive.

• INCI: Adenosine · CAS: 58-61-7
• Appearance: white crystalline powder
• Solubility: water-soluble; dissolve fully in the water phase (gentle warming aids dissolution)
• Use level: 0.04–0.1% for anti-wrinkle effect (up to ~1% considered safe in leave-on products)
• Stability: stable across pH 3.5–6.5; tolerant of heat and light
• Applications: anti-ageing serums, eye creams, firming moisturisers, sheet masks, post-procedure soothing formulas

How to use: Add to the water phase and ensure it is completely solubilised before proceeding. Effective at very low percentages — a little goes a long way. For external use only.