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TRISODIUM ASCORBYL ISOPALMITATE PHOSPHATE.

Valuable / ANTIOXIDANT, SKIN CONDITIONING

Trisodium Ascorbyl Isopalmitate Phosphate (TAPP) is an advanced, highly stable, and water-soluble Vitamin C derivative. Engineered for superior bioavailability, it effectively converts to active Ascorbic Acid within the skin, delivering robust antioxidant protection, enhanced brightening, and significant anti-aging effects. Its modified structure addresses the inherent instability of pure Vitamin C, ensuring consistent performance.

Summary

antioxidant skin conditioning brightening anti-aging collagen booster pigment reduction

Science

Mechanism of Action

Trisodium Ascorbyl Isopalmitate Phosphate, also known as TAPP or APPS, is a water-soluble derivative of Vitamin C, chemically enhanced with palmitic acid and a phosphate residue to boost stability and skin penetration. Once absorbed, it is efficiently metabolized by keratinocytes into active Ascorbic Acid (AA) through an intrinsic enzymatic process. It functions as a powerful antioxidant, neutralizing free radicals to shield the skin from environmental oxidative stress and premature aging. TAPP actively promotes the skin's natural regenerative processes, stimulates endogenous collagen synthesis, and provides a visible skin brightening effect by interfering with pigment production. This is achieved by interacting with copper ions at the tyrosinase activity site and reducing dopaquinone, thereby reducing hyperpigmentation. Furthermore, it acts as a skin conditioning agent, enhancing overall skin texture, promoting a softer, smoother, and more hydrated feel, and uniquely normalizes cellular redox balance independently of AA transporters.

Research

Clinical Evidence

High confidence
Effective range 0.5–5%
Optimal

2%

Key findings

  1. 01 Significantly reduces oxidative stress, providing robust antioxidant protection.
  2. 02 Demonstrates improvement in skin tone, contributing to a noticeable brightening effect.
  3. 03 Leads to measurable reductions in the appearance of fine lines and wrinkles, supporting its anti-aging claims.
  4. 04 Topical treatment with APPS lotion over four weeks attenuated perifollicular pigmentation.

Transparency

Dusting Analysis

Not commonly dusted

No specific data suggests that Trisodium Ascorbyl Isopalmitate Phosphate is commonly 'dusted' or used in concentrations below its clinically effective range. Efficacy is observed within defined concentration percentages.

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 7
0 7 14

Stability

This derivative exhibits exceptional stability against degradation from light, heat, and oxidation, addressing a key challenge associated with pure Vitamin C. It maintains optimal stability within a slightly acidic to neutral pH environment, specifically between 5.0 and 7.0.

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
3%
Sensitization risk Low

While Trisodium Ascorbyl Isopalmitate Phosphate specifically has not been reviewed by the CIR, other ascorbyl derivatives have been assessed. In the European Union, the Scientific Committee on Consumer Safety (SCCS) requires rigorous safety assessments and recommends concentration limits, notably ≤3% in leave-on products. The U.S. FDA classifies it as a cosmetic ingredient, with usage requiring adherence to Good Manufacturing Practices (GMP). It is generally regarded as safe for topical application in cosmetic products, exhibiting low irritancy and comedogenicity.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Trisodium Ascorbyl Isopalmitate Phosphate is a valuable, stable Vitamin C derivative offering comprehensive antioxidant, brightening, and anti-aging benefits, making it highly suitable for all skin types within precision skincare formulations.

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