Alpha-Glycerylphosphorylcholine (Alpha-GPC) - conditioning, humectant

INCI Name

Alpha-Glycerylphosph...

Functions

2 Roles

Sustainability

7/10

What It Does

Alpha-Glycerylphosphorylcholine (Alpha-GPC) is a naturally occurring choline-containing phospholipid metabolite found in the brain and in purified form derived from soy or sunflower lecithin. In cosmetic formulations, it is prized as a bioavailable source of choline that supports skin barrier function and is believed to enhance cellular membrane integrity and skin hydration. Formulators choose Alpha-GPC for its dual role as a skin-conditioning humectant and a nootropic-adjacent active in premium anti-aging and neurocosmetic products, where it is marketed for its ability to support acetylcholine pathways that may influence facial muscle tone and skin firmness.

Improves slip and manageability

Reduces static and frizz

Adds shine and smoothness

Protects from mechanical damage

Technical Properties

pH Range

5.0-7.0

Optimal working range

Ionic Charge

zwitterionic

Molecular charge type

Viscosity Effect

neutral

Impact on formula thickness

Foaming Ability

none

Lather generation

Ingredient Compatibility

Works Well With

nonionic surfactantshumectantspeptideswater-soluble activesglycerinhyaluronic acidmost emollients

Avoid Combining

strong oxidizing agentshigh-concentration acidsstrong alkaline ingredients

Compatibility analysis powered by OpenMix — open-source formulation science

Sustainability Profile

Sustainability Score

7/10

Biodegradability

readily biodegradable

Source

mixed

Feedstock

Derived from soy or sunflower lecithin through enzymatic hydrolysis and purification, yielding a naturally occurring phospholipid metabolite also found endogenously in the human body.