Pentaerythrityl Stearate/Caprate/Caprylate/Adipate

Benefits
Softening

What is Pentaerythrityl Stearate/Caprate/Caprylate/Adipate?

Pentaerythrityl Stearate/Caprate/Caprylate/Adipate is a synthetic polyester formed by esterifying pentaerythritol, a tetrahydric alcohol, with stearic, capric, caprylic, and adipic acids. Commonly found in moisturizers, foundations, and lotions, it functions across anhydrous and emulsion-based formulas. This versatile ingredient lubricates the skin surface, reducing friction and imparting a velvety finish. By aligning with skin lipids, it supports barrier integrity without greasiness. In product development, it thickens formulations to prevent ingredient separation, suspends particles evenly, and optimizes flow for easy dispensing. Its chemical stability resists breakdown from heat or light, promoting longer shelf life. Overall, it delivers a sensorial boost, making products feel luxurious and user-friendly while aiding skin comfort through emollience.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Skin conditioning agent
Maintains skin softness, smoothness, and flexibility.
Viscosity controlling agent
Adjusts thickness to the desired level for stability and usability, improving dispensing, suspension, and texture across many formulation types.
Emollient
Softens and smooths skin by filling in surface roughness and improving slip; can also help reduce moisture loss when paired with occlusives and film formers.

Benefits

Softens and smooths skin for improved feel and flexibility

Controls viscosity to enhance product stability and spreadability

Provides emollient action to minimize surface roughness and support hydration retention

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
Individuals with dry or rough skin desiring softness
Those with allergies to fatty acid-derived esters
Users of creams and lotions for better texture and application
Individuals preferring fully natural or botanical ingredients
People with normal skin types seeking non-greasy conditioning
People with contact sensitivities who should patch test first

Safety Notes

  • Consistently low hazard rating from safety assessments
  • No significant concerns for typical cosmetic concentrations

Frequently Asked Questions about Pentaerythrityl Stearate/Caprate/Caprylate/Adipate

What does this ingredient do in products?

It conditions skin, softens surfaces, and adjusts thickness for better stability and feel.

Is it suitable for sensitive skin?

Low irritation potential makes it generally well-tolerated, but patch testing advised.

Does it contribute to acne?

With a comedogenic rating of 0, it poses minimal risk of pore clogging.