Glycerin C.P.
Humectant
Attracts and retains moisture.
TECHNICAL DATA
Chemical name Glycerol
CAS number 56-81-5
Molecular formula C₃H₈O₃
Molecular weight 92.09 g/mol
FUNCTION
Humectant
Main functions
- Humectant: attracts and retains moisture in skin and hair products. ● Solvent: used to dissolve actives and other substances in cosmetic and pharmaceutical products. ● Emollient: softens and improves skin texture. ● Food additive: used as a sweetener and humectant in foods. ● Plasticizer: used in manufacturing plastic products and in the tobacco industry.
APPLICATIONS
CreamsSoapsShampooGels
DESCRIPTION
Glycerin, pure grade.
Technical Data Sheet – Glycerin USP
Glycerin USP (glycerol) is a viscous, colorless, odorless liquid with a characteristic sweet taste. It is widely used in cosmetic, pharmaceutical and food products for its humectant, solvent and emollient properties.
Benefits and properties
- Deep hydration: draws moisture from the air and retains it in skin and hair. ● Softness: improves skin softness and flexibility, helping relieve dryness. ● Compatibility with other ingredients: soluble in water and many other cosmetic ingredients, making it ideal for different types of formulations.
Practical formulation guide
Usage level: Recommended usage level
- In cosmetic products, it is commonly used at 2 % to 10 %, depending on the formulation.
How to use and incorporate: Add to the water phase at the beginning of the process. Can be used to premix gums and polymers before dispersing them in water to avoid lumps.
Formulation tips:
- Combine with emollients or occlusives to reduce water loss and balance the skin feel.
- Before scaling up, make a pilot batch and run a stability test (cycles at 4 / 25 / 45 °C/39 / 77 / 113 °F for 4 weeks, checking odor, color, pH, viscosity and separation) in the final packaging.
Compatibility: - Compatible with most cosmetic ingredients, including emulsifiers, oils and natural extracts.
Storage: Storage conditions: keep in a cool, dry, well-ventilated place. Protect from direct light and extremely high temperatures. ● Shelf life: approximately 2 years under proper storage conditions.
Precautions: Low toxicity: generally non-toxic, but in large amounts may cause gastrointestinal irritation if swallowed. ● Irritation: may cause mild irritation if applied to sensitive skin at very high concentrations.
Technical information for formulators: This sheet describes industrial uses of the raw material in the development of cosmetic products. It is not an efficacy claim for any finished product. The person responsible for the formulation must validate the concentration, compatibility and claims of their product in accordance with applicable regulations.
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