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Moumoujus

ISOAMYL PALMITATE/STEARATE.

Valuable / HAIR CONDITIONING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, UV FILTER

Isoamyl Palmitate/Stearate is a versatile ester utilized for its significant skin conditioning and emollient properties. It effectively softens and smooths the skin, forming a protective barrier that mitigates moisture loss. Beyond its direct skin benefits, it enhances formulation texture, spreadability, and overall cosmetic elegance.

Summary

emollient skin conditioning thickening agent solvent binding agent

Science

Mechanism of Action

This ingredient functions by creating a non-occlusive film on the skin's surface, which actively reduces transepidermal water loss and thus bolsters the skin's intrinsic barrier function. In formulations, it acts as a solvent and binder, facilitating the uniform dispersion of other components while simultaneously improving the product's sensory profile by imparting a soft, silky feel.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Isoamyl Palmitate/Stearate contributes to the overall stability and consistent texture of cosmetic formulations. While specific pH stability data for this isolated ingredient is not specified, related palmitate-stearate oil-in-water emulsions are most stable within a pH range of 4.5-8.5, with optimal integration of unsaponified fatty acids occurring preferably at pH 6.5-7.5, and most ideally at 7.0.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) has not specifically assessed ISOAMYL PALMITATE/STEARATE; however, data from evaluated similar alkyl esters are often extrapolated. It is generally regarded as a safe and non-toxic ingredient, exhibiting minimal to no potential for skin irritation and good tolerability. It is important to note that pre-market FDA approval for cosmetic ingredients, excluding color additives, is not mandated in the US.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
No Oily
No Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Isoamyl Palmitate/Stearate is a valuable ingredient for improving skin hydration, supporting barrier integrity, and enhancing the tactile and application properties of a broad range of cosmetic formulations, particularly beneficial for normal to dry skin types.

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