For professionals in the B2B chemical and cosmetic ingredient sectors, understanding the detailed properties and applications of key ingredients is vital for successful product development. Ascorbyl Glucoside (AA2G), with CAS 129499-78-1, is a prime example of an advanced ingredient offering significant advantages. As a dedicated manufacturer and supplier of Ascorbyl Glucoside, we provide a deep dive into its chemical characteristics and how they translate into valuable applications for skincare.

Chemical Profile of Ascorbyl Glucoside (AA2G)

Ascorbyl Glucoside is a glycosylated derivative of L-ascorbic acid (Vitamin C). Its molecular formula is C12H18O11, and its molecular weight is approximately 338.26 g/mol. A key characteristic is its appearance: a White crystalline powder. Crucially, its stability is far superior to pure ascorbic acid. This stability is attributed to the alpha-D-glucopyranosyl group attached to the C-2 position of the ascorbic acid molecule. This linkage protects the vulnerable enediol group of Vitamin C, which is responsible for its antioxidant activity but also its instability. Its melting point typically ranges between 158-163°C.

The water solubility of Ascorbyl Glucoside is excellent, with a solubility of 879 g/L at 25°C, making it highly compatible with water-based cosmetic formulations. Its pH stability is also remarkable, functioning effectively across a pH range of 5-8, unlike pure Vitamin C which requires a very low pH (typically below 3.5) to remain stable and active, often leading to irritation.

Mechanism of Action & Efficacy

Upon application to the skin, Ascorbyl Glucoside undergoes enzymatic hydrolysis, catalyzed by endogenous alpha-glucosidase enzymes present in epidermal cells. This process slowly releases bioactive Vitamin C directly into the skin. This controlled release ensures:

• Sustained Vitamin C Availability: The skin benefits from a prolonged period of Vitamin C activity, unlike the rapid degradation seen with pure Vitamin C.
• Enhanced Penetration: The glycosylated structure aids in skin penetration, allowing the active Vitamin C to reach deeper layers.
• Reduced Irritation: The slower release minimizes the risk of irritation and sensitivity often associated with high concentrations of pure Vitamin C.

These mechanisms contribute directly to its key benefits:

• Skin Brightening & Pigmentation Reduction: By inhibiting tyrosinase and converting Dopaquinone to L-Dopa, it significantly reduces melanin synthesis, leading to lighter skin tone and faded hyperpigmentation.
• Antioxidant Defense: It effectively scavenges free radicals generated by UV radiation and environmental pollutants, protecting skin cells from damage and preventing premature aging.
• Collagen Synthesis: Vitamin C is essential for collagen production. AA2G stimulates fibroblasts to produce more collagen, improving skin firmness, elasticity, and reducing wrinkles.

Applications in Cosmetic Formulations

As a versatile and effective ingredient, Ascorbyl Glucoside finds extensive use in a variety of cosmetic and skincare products:

• Skin Brightening Serums and Creams: Ideal for targeting dark spots, age spots, and uneven skin tone.
• Anti-Aging Products: Utilized in treatments to reduce wrinkles, improve skin elasticity, and boost collagen.
• Sun Care and After-Sun Products: Offers antioxidant protection against UV damage and aids in skin repair.
• Daily Moisturizers and Treatments: Enhances the overall health and radiance of the skin with its protective and rejuvenating properties.

As a reliable AA2G supplier, we provide this high-quality ingredient to formulators looking for stable, effective Vitamin C solutions. If you’re searching for a trustworthy Ascorbyl Glucoside manufacturer in China to secure your supply or need to purchase AA2G for skin brightening, reach out to us. We offer competitive pricing and bulk options, ensuring you can integrate this advanced ingredient into your product lines with confidence.