# 1 Sihya Bio is a Global Green Bio-fermentation Active Ingredient Distribution Platform driven by Synthetic Biology.

Sodium polyglutamate

It is polymerized from glutamic acid via γ-amide bonds, and its side chains contain a large number of carboxyl groups (-COO⁻Na⁺), exhibiting anionic properties.

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Super Hydrating: Superior water-locking ability compared to hyaluronic acid, providing long-lasting hydration and increasing the moisture content of the stratum corneum.

Barrier Repair: Promotes the synthesis of natural moisturizing factor (NMF), reducing transepidermal water loss.

Synergistic Effect: Inhibits hyaluronidase, protecting skin's HA, improving elasticity, and reducing fine lines.

Gentle Brightening: Inhibits tyrosinase, aiding in whitening and evening out skin tone.

Optimized Skin Feel: Smooth and non-sticky, improving the formula's texture.


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