Hyaluronic Acid (HA, CAS 9004-61-9)

Hyaluronic Acid (HA, CAS 9004-61-9) is a natural glycosaminoglycan widely used in dermatology, ophthalmology, and joint health. Known for its exceptional water-binding capacity, it enhances skin hydration, supports tissue repair, and serves as a key component in cosmetic and medical applications. Recent advancements highlight its role in anti-aging therapies and regenerative medicine.透明质酸（HA，CAS 9004-61-9）是一种天然糖胺聚糖，广泛用于皮肤科、眼科及关节健康领域。以其卓越的保水能力著称，可增强皮肤保湿、促进组织修复，并作为化妆品和医疗应用的核心成分。最新研究凸显其在抗衰老疗法和再生医学中的潜力。 ​Combined Keywords Hyaluronic Acid, 透明质酸, CAS 9004-61-9, glycosaminoglycan, 保湿, 抗衰老, 关节润滑, 玻尿酸, 医美填充, 组织修复, 智能材料, 皮肤科, 眼科护理, 润滑液, 代谢工程 ​Article Body ​1. Basic Information 透明质酸（HA） ​2. Key Physicochemical Properties ​Parameter ​Details ​Water Binding Binds 1,000× its weight in water, maintaining tissue hydration. ​Molecular Weight Ranges from 5 kDa to 3,000 kDa; affects application (e.g., low vs. high MW). ​pH Stability Stable in pH 3–10, suitable for diverse formulations. ​参数 ​详情 ​水分子络合能力 结合自身重量1000倍的水分，维持组织水润度。 ​分子量 范围5 kDa–3,000 kDa；影响应用（如低分子量渗透真皮，高分子量支撑塑形）。 ​pH耐受性 在pH 3–10范围内稳定，适配多种配方。 ​3. Mechanisms of Action ​4. Applications ​5. Production & Engineering ​6. Safety & Challenges