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Carbomer (or Carbopol) is a synthetic polymer used to create clear, stable gels and thicken formulas in cosmetics, pharmaceuticals, and personal care products. It works by swelling upon contact with water and neutralizing the pH, producing thick, non-tacky gels ideal for creams, lotions, and eye drops.
Key Uses and Properties
- Thickener & Stabilizer: Provides high viscosity control in gels, creams, and lotions.
- Applications: Used in styling gels, sunscreen, moisturizers, acne treatments, and eye lubricants.
- Eye Care: Carbomer gels act as artificial tears to relieve dryness and form a protective, soothing film on the eye.
- Cosmetics: Acts as an emulsion stabilizer and suspending agent in shampoos and personal care items.
Preparation and Formulation
- Hydration: Carbomer powder is dispersed in water, requiring thorough mixing (often with a stick blender or homogenizer) to prevent clumps.
- Neutralization: The pH must be adjusted to neutral (around pH 7) to achieve maximum thickening, often using agents like Triethanolamine (TEA).
- Incompatibilities: Sodium carbomer can thin out when exposed to cationic/anionic surfactants and certain preservatives like sodium PCA or hydrolyzed proteins.
Common Types and Safety
- Grades: Varieties include 940, 934, and 980, which differ in molecular weight and viscosity.
- Safety: Carbomer is generally considered low-risk for skin irritation and sensitization.
Carbomers are popular for creating luxurious textures in skincare and are highly effective even at low concentrations, such as $0.1% - 0.5%.
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Is Carbomer eye gel safe to use?
Update: 2 April 2024. The Medicines and Healthcare products Regulatory Agency (MHRA) are satisfied that carbomer-containing lubricating eye products available on the UK market are safe to use.Nov 24, 2023
Specific brands of carbomer eye gel: recall of AACARB eye ... - GOV.UK
GOV.UK
https://www.gov.uk › drug-device-alerts › specific-brand...
GOV.UK
https://www.gov.uk › drug-device-alerts › specific-brand...
What is carbomer gel for?
Carbomer eye gels are used to relieve eye dryness and soreness. The gel produces a fine transparent film on your eye. This protects, soothes and lubricates the surface of your eye and makes it feel more comfortable.
Carbomer liquid eye gels - Patient.info
Patient.info
https://patient.info › medicine › carbomer-liquid-eye-gel...
Patient.info
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Web results
Carbomer - an overview
ScienceDirect.com
https://www.sciencedirect.com › topics › carbomer
ScienceDirect.com
https://www.sciencedirect.com › topics › carbomer
Carbomers are acrylic acid polymers that are used for a variety of purposes. They are used in pharmaceutical processes as suspending agents, gel bases, ...Read more
20kg Carbomer 940 Cosmetic Grade Thickening Agent
eBay
https://www.ebay.com › ... › Lab Chemicals
eBay
https://www.ebay.com › ... › Lab Chemicals
20kg Carbomer 940 Cosmetic Grade Thickening Agent - Gels etc (Carbopol 940) ; dux-tech (413) ; Approx. $947.23 ; Condition. New – Open box ; Condition Description.Read more
Carbomer Gel
Amazon.com
https://www.amazon.com › carbomer-gel › k=carbomer...
Amazon.com
https://www.amazon.com › carbomer-gel › k=carbomer...
Carbomer 940 Powder (60 g / 2.1 oz) - Cosmetic Grade Thickening & Gelling Agent for DIY Serums Gels Creams & Lotions · Hydrating. 2.1 Fl Oz (Pack of 1).Read more
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Comprehensive Biosafety Profile of Carbomer-Based ... - PMC
National Institutes of Health (.gov)
https://pmc.ncbi.nlm.nih.gov › articles › PMC11276259
National Institutes of Health (.gov)
https://pmc.ncbi.nlm.nih.gov › articles › PMC11276259
by K Zakzak2024Cited by 19 — The high viscosity of carbomer-based hydrogels also contributes to prolonged drug retention, enhancing the bioavailability of medications, especially in ocular ...Read more
Carbomer 1342 - Anhui Newman Fine Chemicals Co.,Ltd.
nmcarbomer.com
https://www.nmcarbomer.com › carbomer-1342_p340
nmcarbomer.com
https://www.nmcarbomer.com › carbomer-1342_p340
It has long viscous flow property, imparts excellent thickening and suspending capability especially in surfactant systems and forms sparkling clarity gels.Read more
Carbomer Gel-Aqueous | Fagron Shop
Fagron
https://shop.fagron.us › carbomer-gel-aqueous-696228
Fagron
https://shop.fagron.us › carbomer-gel-aqueous-696228
Carbomer Gel Aqueous is an elegant gel base ideally suited for dermatological and cosmetic applications. Water soluble, neutral to alkaline active ingredients ...Read more
How to Mix Carbopol – Carbomer Polymer Gel Formulation
Silverson high shear mixers
https://www.silverson.com › application-reports › dispers...
Silverson high shear mixers
https://www.silverson.com › application-reports › dispers...
Carbopol®* is a water soluble polymer, used as an emulsifying, stabilising, suspending, thickening in many industries and is also used as gelling agent in ...Read more
Polyacrylic acid
Wikipedia
https://en.wikipedia.org › wiki › Polyacrylic_acid
Wikipedia
https://en.wikipedia.org › wiki › Polyacrylic_acid
Poly(acrylic acid) (PAA; trade name Carbomer) is a polymer with the formula (CH 2 -CHCO 2 H) n. It is a derivative of acrylic acid (CH 2 =CHCO 2 H).Read more
Carbomer 940
Amazon.com
https://www.amazon.com › carbomer-940 › k=carbome...
Amazon.com
https://www.amazon.com › carbomer-940 › k=carbome...
CARBOMER 940 Powder – Cosmetic Grade Gel Thickener for Gels, Creams & Serums – CARBOPOL 940 Rheology Modifier for DIY Skincare & Cosmetic Formulation – 50 g ( ...Read more