Science
Mechanism of Action
This ingredient acts as an emollient, contributing to superior skin moisturization and smoothness. Its key component, butyrate—a short-chain fatty acid—exhibits potent anti-inflammatory and immune-modulating effects. It achieves this by inhibiting pro-inflammatory cytokines and cells, and through histone deacetylase (HDAC) inhibition, it promotes the proliferation of regulatory T cells (Tregs). Furthermore, Phytosteryl Butyrate strengthens epidermal barrier integrity by stimulating the production of critical structural components, including integrin, filaggrin, KRT1, and KRT10, thereby reducing allergen sensitization.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
When encapsulated in liposomes, Phytosterol Butyrate Ester (PBE) demonstrates better storage stability at lower concentrations (e.g., 2.5% to 7.7% PBE/SPC ratio), with higher concentrations (10% PBE/SPC) potentially leading to liposomal structural instability. The inherent odor and instability of free butyric acid are effectively mitigated by its esterification in this form.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has affirmed Phytosteryl Butyrate's safety in current cosmetic applications and concentrations, evaluated within the broader context of phytosterols.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Phytosteryl Butyrate is a valuable ingredient, delivering significant emollient, anti-inflammatory, and barrier-strengthening benefits suitable for various skin types with a low risk of irritation.
Related
Similar Ingredients
Finding similar ingredients…