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MIGLYOL® GEL B
Product Name MIGLYOL® Gel B
INCI Name Caprylic/Capric Triglyceride (and) Stearalkonium
Hectorite (and) Propylene Carbonate
Product Description
MIGLYOL® Gels are heat-stable oleo gels for cosmetics. They are prepared by jellifying MIGLYOL® neutral oils with inorganic gelling agents.
MIGLYOL® Gel B, MIGLYOL Gel T comprise of plant derived fatty acids and glycerol (from coconut and palmkernel oil) caprylic/capric triglyceride (MIGLYOL ®812, Ph.Eur., organically modified montmorillonite and propylene carbonate (USP*), acting as gelling agent.
MIGLYOL® 840 Gel B consists of synthetic propylene glycol dicaprylate/dicaprate, organically- modified montmorillonite and propylene carbonate as gelling agent.
The B grades have a fleshy color, the T grade has a slightly greenish color.
Chemical and Physical Properties
Tests Gel B Gel T 840 Gel B Unit
Acid value 0.5 Max 0.5 Max 0.5 Max mg KOH/g
Ash 7.0 – 10.0 7.0 – 10.0 7.0 – 10.0 %
Water 0.5 Max 0.5 Max 0.5 Max %
Heavy Metals * 20 Max 20 Max 20 Max ppm
Micropenetration at 20 °C * 120 - 190 190 - 280 135 - 190
Propylene Carbonate * 3–5 3–5 3–5 %
*not included in Certificate of Analysis
Applications
MIGLYOL® Gels have a soft, pasty consistency similar to petrolatum. MIGLYOL® Gels are extremely heat-stable and do not melt, even at temperatures of 100 °C (see fig. 1).
That is why additional fats, oils, waxes or paraffin hydrocarbons and emulsifiers being used in the formulations must be dispersed in the gels homogeneously at 70 - 80 °C. The aqueous phase is then heated up to the same temperature and emulsified using hi-speed agitators and should simultaneously or afterwards being homogenized.
The preparation of stable water-in-oil-emulsions of different consistency is possible with the MIGLYOL® Gels, using very few ingredients. Complicated formulations can be substantially simplified.
MIGLYOL® Gels are chemically neutral, oxidation-resistant and have a long shelf life. Rancidity problems do not occur because only saturated fatty acids are present.
MIGLYOL® Gels are miscible with all oils, fats, waxes and W/O emulsifiers (see Formulation Guide).
MIGLYOL® Gels are insoluble in water and are soluble in ethyl alcohol, acetone and diethylether, whereby a solid residue of montmorillonite remains.
Cosmetic Functions
MIGLYOL® Gels are very compatible with the skin because they do not inhibit the skin respiration. Because of its spreadability and the lamellate structure of the organophilic gel former, MIGLYOL® Gels can easily be spread on the skin. The skin becomes soft and velvety, without a greasy after-feel.
Because of their high thermal stability MIGLYOL® Gels are recommended for use as consistency regulators in cosmetic and pharmaceutical preparations where it is important to maintain viscosity over a wide temperature range (e.g. UV protection creams). W/O emulsions with MIGLYOL® Gels do not show phase separation even after short heating up to 90 °C.
MIGLYOL® Gels promote the thermostability of sticks and other solid/liquid preparations.
FORMULATION GUIDE
W/O cream, Basic Formulation
Phase A
MIGLYOL® Gel B1 Caprylic/Capric Triglyceride, Stearalkonium Hectorite, Propylene Carbonate 20.00
MIGLYOL® 812 N1 Caprylic/Capric Triglyceride 14.00
IMWITOR® 6001 Polyglyceryl–3 Polyricinoleate 4.00
Span 80 V2 Sorbitan Monoleate 1.00
SOFTISAN® 1421 Hydrogenated Coco-Glycerides 1.50
SOFTISAN® 3781 Caprylic/Capric/Myristic/Stearic Triglyceride 4.00
Bees Wax Cera Alba 3.00
Phase B
Magnesiumsulfat 7 H2O Magnesium Sulfate 1.50
CremerGLC1 Glycerine 2.00
Preservative q.s.
Demin. Aqua Aqua ad 100.00
Procedure
1 Phase A and B is heated up separately to approx. 75–80°C and then phase A is homogenized.
2 Add phase B into A with high-speed stirring, homogenize.
3 Cool with gentle stirring down to approx. 40°C. Homogenize at lowest speed for a short time.
4 Cool down to approx. 25°C with gentle stirring.
Supplier References
1 Cremer Care
2 Croda International
W/O Lotion, cold processed
Phase A
MIGLYOL® Gel T1 Caprylic/Capric Triglyceride, Stearalkonium Bentonite, Propylene Carbonate 10.00
MIGLYOL® 812 N1 Caprylic/Capric Triglyceride 7.00
MIGLYOL® 8291 Caprylic/Capric/Succinic Triglyceride 4.00
IMWITOR® 6001 Polyglyceryl–3 Polyricinoleate 3.00
Span 80 V2 Sorbitan Monoleate 1.00
Mineral Oil Parafinum Liquidum 8.00
Olive Oil Olea Europea 5.0
Antioxidant q.s.
Phase B
Magnesiumsulfat 7 H2O Magnesium Sulfate 1.0
Preservative q.s.
Demin. Aqua Aqua ad 100.0
Phase C
Fragrance Fragrance q.s.
Procedure
1 This formulation can be prepared at room temperature. Mix components of phase A and B separately.
2 Homogenize phase A, then stir phase B with small amounts into phase A and homogenize until an evenly distribution of small particle size.
3 Add C.
Supplier References
1 Cremer Care
2 Croda International