Polyacrylic Acid is a synthetic homopolymer of acrylic acid, forming high-molecular-weight chains. It swells in water to create gels and viscous solutions. It is valued in cosmetics for its excellent thickening, stabilizing, and film-forming properties, especially in clear, aqueous systems. This fluffy white powder (when dry) is a base for many carbomer-type thickeners. It is used in gels, creams, lotions, serums, toothpastes, and styling products to achieve smooth texture, stability, and elegant application.
Products with POLYACRYLIC ACID
With samples available
Lubrajel® RC
by United-Guardian
COVACRYL® SP
by Sensient Cosmetic Technologies
Hydrajel™ PL
by United-Guardian
What is POLYACRYLIC ACID used for?
- Viscosity controlling / Gelling: Builds clear, high-viscosity systems and thickens water-based formulations. Frequently used in hand gels, styling gels, eye gels, and hydroalcoholic products.
- Emulsion Stabilizing / Binding: Enhances stability of emulsions and binds ingredients together. Common in creams, lotions, and pigmented products to prevent separation and improve cohesion.
- Film forming: Creates thin, flexible films on skin or hair. Ideal for hair styling products, masks, and leave-on treatments for hold and smoothness.
Origin
Polyacrylic Acid is produced synthetically through free-radical polymerization of acrylic acid monomers. It is often crosslinked with agents like allyl ethers to form variants similar to carbomers. The reaction occurs in solvents (e.g., ethyl acetate or cosolvent systems in modern grades) to yield a high-purity powder. It is fully petrochemical-derived but offers consistent performance and stability for cosmetic applications.
What does POLYACRYLIC ACID do in a formulation?
BINDING|
EMULSION STABILISING|
FILM FORMING|
VISCOSITY CONTROLLINGSafety Profile
Polyacrylic Acid is considered safe for cosmetic use per the CIR Expert Panel assessments of acrylates copolymers and related polymers (safe as used when formulated to be non-irritating). It has a low hazard rating from EWG (typically 1-2) with minimal concerns for irritation or sensitization due to its large molecular size and low skin penetration. Potential contamination with residual acrylic acid or other impurities is minimized in compliant grades. Non-comedogenic and well-tolerated in neutralized forms (pH 5-9); unneutralized powder may cause mild eye/skin irritation during handling.
POLYACRYLIC ACID alternatives
POLYACRYLIC ACID technical profile
| Property | Values |
| Boiling Point | Decomposes (>300°C) |
| pH | 5.0-9.0 (Neutralized) |
| Solubility | Swells/disperses in water; insoluble in most organics |
| Viscosity | Extremely high when neutralized |
Formulations with POLYACRYLIC ACID
No data available
By Application
No data available