Podcast
Questions and Answers
What is the purpose of heating phase B to 80°C during formulation?
What is the purpose of heating phase B to 80°C during formulation?
Which ingredient is primarily responsible for conditioning in the formulation?
Which ingredient is primarily responsible for conditioning in the formulation?
What is the specified pH level of the final product, and why is pH control important?
What is the specified pH level of the final product, and why is pH control important?
Which of the following phases should be added slowly while mixing at 50°C?
Which of the following phases should be added slowly while mixing at 50°C?
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What characteristic does the appearance of the product possess?
What characteristic does the appearance of the product possess?
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What role does Aquaxyl play in the formulation?
What role does Aquaxyl play in the formulation?
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Why is it important that the stability test completed over 3 weeks is noted?
Why is it important that the stability test completed over 3 weeks is noted?
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Which ingredient is used for its emollient properties in the formulation?
Which ingredient is used for its emollient properties in the formulation?
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When combining ingredients for emulsion stability, which agent is NOT typically included?
When combining ingredients for emulsion stability, which agent is NOT typically included?
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What is the significance of maintaining an accelerated temperature test at 40°C?
What is the significance of maintaining an accelerated temperature test at 40°C?
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Study Notes
Formulation Overview
- The formulation consists of several phases: Phase B is heated to 80°C, and Phase C is added gradually at 50°C.
- Major ingredients include stearic acid, cetyl alcohol, and various surfactants and oils.
Ingredient Details
- Stearic Acid: Used as a thickener and emollient.
- Cetyl Alcohol: An emulsifier that helps stabilize the cream.
- Montanov 68 M: A blend of cetearyl alcohol and cetearyl glucoside, serving as an emulsifying agent.
- Argan Oil: Adds moisturizing properties.
- Vitamin E (Tocopheryl Acetate): Acts as an antioxidant.
- Euxyl K9002: A preservative system to enhance product shelf life.
- Sodium Chloride: Used to adjust viscosity.
Appearance and Stability
- The end product has a milky white, semi-solid cream appearance with a pH of 6.5.
- Stability tests indicate the product remains stable for 3 weeks at room temperature and at accelerated temperature control (40°C).
Adjustments and Specifications
- pH and viscosity adjustments can be made with sodium chloride and citric acid.
- Viscosity measured at 1060 Cps using a Brookfield Viscometer indicates a suitable texture for application.
Hair Serum Details
- The formulation includes active ingredients like Aquaxyl, which promotes hydration, and Essensil sweet silk, which enhances smoothness.
- The hair serum targets dry and dull hair, offering nourishment and conditioning.
- A milky white semi-solid cream at a pH of 5.6 is the desired outcome for this product as well.
Fragrance and Other Additives
- Fragrance compositions include components like vanilla and coconut water for a pleasant scent.
- Various suppliers such as Yasham and Gogia are noted for the sourcing of certain ingredients.
Final Notes
- While multiple raw materials contribute to the overall formulation, the combination of surfactants, oils, and emulsifiers ensures both efficacy and user experience.
- The overall stability and performance under controlled conditions demonstrate the effectiveness of the formulation strategy.
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Description
Test your knowledge on the key ingredients used in cosmetic formulations, including Stearic Acid and Cetyl Alcohol. This quiz will cover the methods and specifications involved in the preparation process. Perfect for students studying cosmetic chemistry or formulation science!
