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| Catalog Number | CI-SC-0438 |
| Product Name | PEG-7 Glyceryl Cocoate |
| CAS | 68201-46-7 |
| Description | Non-ionic, ethoxlyated polyethylene glycol ester made from glycerin & coconut oil. HLB value 11 (gives oil-in-water emulsions). |
| Solubility | Soluble in water & alcohols, insoluble in oils |
| Appearance | Clear oily liquid, characteristic odor |
| Application | Universally applicable, especially in liquid soaps, lotions, body washes, shower gels, hair shampoos, facial cleansers, bubble baths, decorative cosmetics. |
| Storage | Store in a closed container at a dry place at room temperature |
| Composition | PEG-7 glyceryl monococoate |
| Features And Benefits | Multifunctional agent with excellent emulsifying, emollient, refatting & thickening propertiesVery useful as surfactant and foam boosterHas good conditioning effect for soft and smooth skin |
| GMO | GMO-free (does not contain plant-derived components) |
| HS Code | 3402130000 |
| INCI | PEG-7 glyceryl monococoate |
| Manufacture | PEG glyceryl cocoate is manufactured by the ethoxylation (polymerization of ethylene oxide) of glyceryl cocoate. |
| Preservation | Preservative-free |
| Purity Grade | No purity grade applicable |
| Raw Material Source | Coconut oil and polyethylene glycol |
| Uses | Can be added to formulas as is. Typical use level 1 - 10%. For external use only. |
PEG-7 Glyceryl Cocoate serves as a versatile component in cosmetic formulations, owing to its ability to function as an emollient, nonionic surfactant, and solubilizer for oils and lipophilic ingredients in water-based products. Derived from coconut oil and glycerin, this ingredient is almost colorless to light yellow with a faint coconut scent. It is utilized primarily in mild cleansing products such as makeup removers, cleansers, and shampoos. Due to its solubility in water and mineral oil, as well as its dispersibility in isopropyl alcohol and other solvents, PEG-7 Glyceryl Cocoate enhances the lipid layer in formulations, acting as a superfatting agent that contributes to a superior skin feel and foam quality. Additionally, it is effective as a solubility promoter for essential oils and active agents and remains stable across the pH range typical of cosmetic products. Its dry, light emollience combined with its lubricious, conditioned feel makes it particularly suitable for contemporary body shampoos, bath gels, foam baths, and facial cleansers.
NAjih, Yuli Ainun, et al. Romanian Journal of PHARMACEUTICAL PRACTICE, 2020, 52, 3.
Alpha arbutin works as an anti-hyperpigmentation agent by inhibiting tyrosinase. The hydrophilic nature of arbutin makes it necessary to use a specialized formulation that employs microemulsion techniques to improve skin absorption. This research aims to identify the best ratios of combined vegetable oils and surfactants necessary to create effective microemulsions of alpha arbutin.
· Formula Development
The research commenced with the optimization of microemulsion bases using sunflower oil, virgin coconut oil, grapeseed oil, and almond oil in a 1:1 ratio, with PEG 7 glyceryl cocoate serving as a surfactant, employing a spontaneous emulsification method. Three promising formulations were developed: F3 (10:65), F4 (15:70), and F5 (7:80).
· Microemulsion Performance
The resulting droplet sizes were 0.013 µm, 0.027 µm, and 0.050 µm, with polydispersity indices of 0.134, 0.216, and 0.602, and zeta potentials of -24.83 mV, -24.66 mV, and -27.30 mV, respectively.
The evaluation then covered pH measurement along with specific gravity assessment and viscosity determination as well as centrifugation and cycling testing procedures. The study identified significant droplet size differences with values at 0.013 µm; 0.023 µm; 0.027 µm and observed consecutive polydispersion indices of 0.119; 0.191; 0.276 along with zeta potentials measuring -2.79 mV; 1.06 mV; -3.10 mV and pH values at 5.18; 5.21; 5.25 and consecutive viscosity levels of 150.3 cps; 161.6 cps; 196.3 cps. The findings demonstrate that microemulsion preparations exhibit instability throughout the storage period.
Jia, Hong-Jiao, et al. European journal of lipid science and technology, 2017, 119(7), 1600010.
Researchers developed PEG-7 glyceryl cocoate-modified glycyrrhetinic acid Liposomes for cosmetic applications. PEG-modified liposomes prepared in this research were spherical structures that measured an average particle size of 117 ± 4.6 nm. Measurements revealed a zeta potential of -22.5 ± 0.54 mv and an average encapsulation efficiency of 91.9 ± 2.43%. PEG-modified GA liposomes demonstrated slower release rates and higher deposition in the epidermis/dermis during in vitro tests while showing enhanced stability compared to their non-PEG-modified liposomes.
Preparation of Non-Modified and PEG-Modified Liposomes
· The preparation of the solution involved dissolving 10% (w/w) Soy lecithin in 1,2-propylene glycol and separately dissolving glycyrrhetinic acid and PEG-7 glyceryl cocoate in propylene glycol. These separate solutions merged together to form two distinct homogeneous organic phases. The aqueous phase included Tween 80 at 0.33% w/w and NaCl at 0.05% w/w along with deionized water for comparison purposes.
· The organic phase was combined with the aqueous phase through mechanical stirring at 500 rpm before applying 2 minutes of ultrasonic treatment to 50 ml samples at 225 W power and 25 ℃. Ultimately, non-modified and PEG-modified liposomes with a lipid concentration of 50 mg/ml were produced, with a lipid to PEG-7 glyceryl cocoate ratio of 1:4 (mol/mol) for the PEG-modified liposomes.
What is PEG-7 Glyceryl Cocoate and where is it commonly used?
PEG-7 Glyceryl Cocoate is an ethoxylate derived from the reaction of coconut oil and glycerin. It serves as an emollient, nonionic surfactant, and solubilizer, primarily used in water-based cleansing formulations such as makeup removers, cleansers, and shampoos. Its ability to act as a superfatting agent and foam enhancer makes it valuable in various personal care products.
What are the solubility characteristics of PEG-7 Glyceryl Cocoate?
This ingredient is essentially colorless to light yellow and features a slight odor reminiscent of coconut oil. It is soluble in water and mineral oil and can be dispersed in solvents like isopropyl alcohol, toluene, and mineral spirits. These properties make it versatile for use in a wide range of formulations that require mixing oil-soluble ingredients with water-based systems.
How does PEG-7 Glyceryl Cocoate benefit skin and hair formulations?
PEG-7 Glyceryl Cocoate serves as a superfatting agent, providing additional fatty acids that help retain moisture, enhance skin feel, and improve hair texture. Its foam-enhancing qualities contribute to a rich lather, while its role as a solubility promoter allows for the inclusion of essential oils and active ingredients seamlessly into formulations.
Is there a specific pH range in which PEG-7 Glyceryl Cocoate remains effective?
This ingredient is chemically stable within the pH range of most cosmetic formulations, ensuring its functional properties are maintained across various product types. This stability is advantageous for formulators looking to develop innovative bath and body products that are both efficient and skin-friendly.
Can PEG-7 Glyceryl Cocoate be used in alcohol-based formulations?
Yes, PEG-7 Glyceryl Cocoate is dispersible in aqueous alcohol solutions, providing formulators with the flexibility to create a variety of products combining hydrophilic and lipophilic components. This dual solubility is ideal for formulating modern bath products and makes it a crucial ingredient for today's body shampoos, bath gels, foam baths, and facial cleansers.
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