Pentaerythrityl Tetra C5-9 Acid Esters is a mixed ester blend where the pentaerythritol core is esterified with a blend of short-chain fatty acids ranging from C5 (valeric) to C9 (pelargonic). These short-chain esters create an extremely lightweight, fast-spreading, low-viscosity emollient with a very dry, non-oily feel. It is ideal for facial serums, lightweight lotions, and hair oils where a “dry touch” emollient is desired. The short chains evaporate relatively quickly, leaving minimal residue.
Key Skin Benefits
+ Ultra-lightweight — very dry, non-greasy skin feel
+ Fast spreading — excellent initial glide and slip
+ Minimal residue — short chains evaporate leaving no film
+ Low viscosity — ideal for sprayable and serum formulations
Pros
+ Excellent for oily skin and lightweight formulations
+ Near-zero greasy feel on skin
+ Good for sprayable product formats
+ Versatile across skincare and haircare
Cons
− Very short emolliency duration (evaporates quickly)