SODIUM ACRYLATES COPOLYMER

Description: SODIUM ACRYLATES COPOLYMER — thickener, texture stabilizer.

All Functions: thickener, texture stabilizer

Quick Facts:

• Category: other

Proven Benefits At A Glance:

• Sodium acrylates copolymer is an acrylate polymer used in cosmetics, often as a film former
• Allergic reactions to this ingredient are rare based on patch testing of over 1,300 patients
• The ingredient showed minimal irritant reactions in safety studies
• How it interacts with skin cells depends on its chemical structure and charge properties

Safety tier is a starting heuristic from regulatory status and comedogenic rating, not a dermatological verdict — see our Terms for the full disclaimer. Research confidence reflects how many real cited studies back this ingredient, not the strength of their findings.

🧪 SODIUM ACRYLATES COPOLYMER

SODIUM ACRYLATES COPOLYMER

CAS Number: –

Also Known As: —

Category: other

EC Number: –

Korean Name: 소듐아크릴레이트코폴리머

Sodium Acrylates Copolymer is the sodium salt of a polymer consisting of acrylic acid, methacrylic acid or one of their simple esters

SODIUM ACRYLATES COPOLYMER is an other ingredient used in skincare formulations.

🌍 Regulatory Status

📊 Comedogenicity

📚 Research & Evidence

🔬 The Science

Sodium acrylates copolymer belongs to a broader class of acrylate polymers and cross-polymers (ACPs) commonly used in cosmetic formulations. Research on acrylate polymers provides the most direct evidence about this ingredient’s safety profile. In a large-scale study published in Contact Dermatitis (2024), researchers patch tested 1,302 patients with sodium polyacrylate at 2% concentration—a standard test concentration for cosmetic ingredients. #1: The study found only four irritant reactions, one doubtful reaction, and one positive allergic reaction across all 1,302 patients tested. Importantly, the researchers noted that sensitization to sodium polyacrylate at this concentration is rare, and that elicitation of dermatitis in patients already sensitized to similar (meth)acrylate compounds appeared unlikely.

This suggests the ingredient has a favorable safety profile for topical use. At the molecular level, sodium acrylates copolymer is a polymer—a long chain of repeating chemical units—that carries charged functional groups (the negatively charged carboxyl groups from the acrylate component). Research in Biomaterials (1993) demonstrates that the electrical charge and hydrophilic (water-loving) versus hydrophobic (water-fearing) balance of polymers significantly influences how they interact with cells in the skin. Specifically, copolymers containing charged groups like carboxylate can influence cell recognition and adhesion. This means the chemical structure of sodium acrylates copolymer affects how your skin’s cells perceive and respond to it, though the available sources do not specify particular functional benefits from these interactions in skincare contexts.

The broader acrylate polymer class is generally recognized as safe in cosmetics when used as intended. A 2024 safety review in the International Journal of Toxicology examined 30 vinylpyrrolidone polymers (a related polymer class) and determined that most are safe in cosmetics at current usage levels, though this review focused on a different polymer family rather than acrylates specifically. The limited sources available do not fully address all aspects of sodium acrylates copolymer’s cosmetic benefits or effects, so this summary is constrained to what the research directly supports.

💧 Skin Type Compatibility

⚠️ Don’t Combine With

🧴 Products Containing SODIUM ACRYLATES COPOLYMER

• Nivea NIVEA Verfrissende Reinigingsgel
• Nivea Pure Skin Cleansing Gel
• Elmiplant Skin Moisture
• Caudalie Soin corps nourrissant Thé des Vignes
• Deliplus Q10 antiarrugas
• Cosmia Crème corps réparatrice
• Deliplus Sensitive cream
• Monsavon Monsavon Gel Douche Mousse Fraîcheur Agrume Pamplemousse & Jasmin 200ml
• Neutrogena Skin Balancing Milky Cleanser
• babyganics Kids SPF 50 Mineral Sunscreen
• CORINE DE FARME SOIN YEUX LUMIÈRE
• Linéance Ultimate Slim Sérum 100% Actif Cure Cellulite Rebelle
• Clarins Hydra Sculpt Soin Restructurant ClarinsMen
• Clarins Body Fit
• Bepanthen Soleil Spray enfant FPS 50
• Soin home végétal
• Mustela Crème hydratante apaisante visage
• Mustela Mustela Lait Hydratant Apaisant
• Caudalie Soin corps nourrissant anti-oxydant
• Auriège Structu’r’temps jour

📄 Related Research

Matched by search — not necessarily verified support for every statement above.

• Yang Y et al. (2025). In situ gut microbiota editing: enhancing therapeutic efficacy for bacterial colitis by compatible oral hydrogel microspheres with phages. Nat Commun.
• Johnson W Jr et al. (2024). Safety Assessment of Vinylpyrrolidone Polymers as Used in Cosmetics. Int J Toxicol.
• Smetana K Jr (1993). Cell biology of hydrogels. Biomaterials.
• Nahain AA et al. (2020). Anticoagulant Heparin Mimetics via RAFT Polymerization. Biomacromolecules.
• Soriano LF et al. (2024). Sensitisation to the acrylate co-polymers glyceryl acrylate/acrylic acid co-polymer, sodium polyacrylate and acrylates/C10-30 alkyl acrylate cross-polymer (Carbopol®) is rare. Contact Dermatitis.