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TRISODIUM ASCORBYL HEXYLDECANOATE PHOSPHATE.

Valuable CAS 635681-25-3 / ANTI-SEBUM, ANTIOXIDANT, BLEACHING, HUMECTANT, SURFACTANT - CLEANSING

A highly stable, water-soluble vitamin C derivative, Trisodium Ascorbyl Hexyldecanoate Phosphate effectively converts into active ascorbic acid within the skin. It acts as a powerful antioxidant, protects against environmental stressors, and provides significant benefits for skin brightening, anti-aging, and overall skin conditioning.

Summary

Antioxidant Skin conditioning Brightening Anti-aging Acne treatment support

Science

Mechanism of Action

This advanced vitamin C derivative functions as a potent antioxidant, meticulously neutralizing free radicals to shield skin from oxidative stress and premature aging. Upon absorption, it undergoes an intrinsic conversion within keratinocytes to release active ascorbic acid, delivering this vital nutrient to skin cells independently of traditional AA transporters. Beyond its antioxidant capacity, it enhances skin texture, promoting a softer, smoother, and more hydrated feel. It also stimulates natural skin regeneration, contributes to a brighter complexion by influencing pigment production at the tyrosinase site, and supports collagen synthesis to maintain skin firmness and elasticity.

Research

Clinical Evidence

High confidence
Effective range 0.5–5%
Optimal

5%

Transparency

Dusting Analysis

Not commonly dusted

As a multi-functional, stable vitamin C derivative offering significant antioxidant, brightening, and anti-aging benefits, Trisodium Ascorbyl Hexyldecanoate Phosphate is a valuable active ingredient. Its efficacy is concentration-dependent, making it unlikely to be included at insufficient levels for 'dusting' purposes.

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 7
0 7 14

Stability

This ingredient demonstrates superior stability to light, heat, and oxidation compared to pure L-Ascorbic Acid. Its optimal stability is maintained within a slightly acidic to neutral pH range of 5.0 to 7.0.

Synergies

  • Retinol (for enhanced acne treatment)

Safety

Safety Profile

CIR Status
Safe as used
Max tested
5%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded in 2005 that the broader category of 'Ascorbic Acid and Ascorbates', which includes related derivatives like Sodium Ascorbyl Phosphate, is safe for use in cosmetic products. While the safety assessment was re-evaluated in 2024, the general optimal use level for cosmetic applications typically falls between 0.5% and 5%. The solid form of the ingredient may cause localized irritation to skin, eyes, or the respiratory system if mishandled.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

This highly stable and efficacious vitamin C derivative is a valuable asset in precision skincare formulations, offering broad-spectrum benefits from antioxidant protection to significant improvements in skin tone, texture, and firmness with low irritancy.

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