Polyglyceryl-10 Isostearate is a chemical compound, a polyglycerin ester derived from glycerin and isostearic acid. 

The name defines the structure of the molecule

• "Polyglyceryl" refers to a molecule derived from glycerin (or glycerol) that has undergone polymerization. Glycerin is a simple compound with three alcohol groups (-OH).
• "10" indicates the average number of glycerol units in the molecule.
• "Isostearate" is the ester formed from the combination of isostearyl alcohol and isostearic acid. Isostearic acid is a saturated fatty acid.

Description of raw materials used in production

• Glycerin - A colorless and odorless compound obtained from the saponification of oils or fats.
• Isostearic Acid - A saturated fatty acid primarily derived from the hydrogenation of oleic acid.

Step-by-step summary of industrial chemical synthesis process.

• Glycerin Preparation - Glycerin is purified to remove impurities.
• Reaction - The purified glycerin is reacted with isostearic acid in the presence of a catalyst to form polyglyceryl isostearate.
• Neutralization - Any traces of acids or bases are neutralized.
• Purification - The esterification can produce by-products or unreacted species that need to be removed.
• Quality Control - A quality check is conducted to ensure the final product meets the desired specifications.

It appears as a yellowish liquid

What it is for and where

Cosmetics

Skin conditioning agent. It is the mainstay of topical skin treatment as it has the function of restoring, increasing or improving skin tolerance to external factors, including melanocyte tolerance. The most important function of the conditioning agent is to prevent skin dehydration, but the subject is rather complex and involves emollients and humectants that can be added in the formulation.

CAS   133738-23-5

Commercial applications

Emulsifier. Used in cosmetics and personal care products to help mix water-based ingredients with oil-based ingredients.

Skin Conditioning Agent. Provides a soft and smooth feeling to the skin.

Solubilizing Agent. Helps to solubilize water-insoluble compounds, like essential oils or fragrances, into water-based formulations.

Carrier for Active Ingredients. Used to enhance the delivery of active ingredients into the skin.

Hair Care Products. Might be found in conditioners or hair treatments due to its conditioning properties.