Best For Skin Types
Dry, Mature, Combination
Addresses
Usage Frequency
Daily
What Is PPG-15 Stearate?
PPG-15 Stearate is a synthetic emollient derived from propylene glycol and stearic acid. It belongs to a class of conditioning agents designed to improve the texture and feel of skincare formulations.
In products, this ingredient works primarily as an emollient — a substance that softens and smooths the skin by helping to seal in moisture and create a protective layer on the skin's surface.
How It Works
PPG-15 Stearate functions as an occlusive emollient, meaning it sits on the skin's surface and helps trap water in the outer layers. This reduces moisture evaporation and can temporarily improve skin hydration and comfort.
The ingredient also influences how a formula feels when applied and how quickly it absorbs, contributing to overall sensory experience.
Clinical Evidence & References
Research on formulations containing PPG-15 stearyl ether (a closely related compound) suggests that at higher concentrations (above 2%), this class of ingredient can result in slow absorption, residue, and increased oiliness — effects that vary depending on formulation and concentration used.
Evidence specifically on PPG-15 Stearate's efficacy in skincare remains limited. Most data comes from cosmetic chemistry studies focused on texture and sensory properties rather than skin health outcomes.
Published Research
How to Use
This ingredient is typically used in small concentrations within formulations, so individual application instructions depend on the product type. Follow the usage guidance on your specific product. As with any emollient, use sparingly if you have oily or acne-prone skin, as heavier occlusive layers may worsen congestion in some individuals.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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Take the skin quizRelated Ingredients
Polyglyceryl-3 PCA
A lightweight humectant and emollient derived from plant-based glycerin
Polyglyceryl-6 Stearate
A synthetic emollient that softens and smooths the skin barrier
Polygonum Aviculare Extract
A plant extract with antioxidant properties that may support skin resilience
PPG-15 Stearyl Ether
A synthetic emollient that softens and conditions the skin barrier
PPG-2 Isostearate
A lightweight emollient that softens skin without heavy residue
PPG-4 Jojoba Alcohol
A plant-derived conditioning agent that softens and stabilises skincare formulations
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