Cosmetic ingredients Lesson 1

The main function of a paraben is to act as:

• an emollient

• a humectant

• a preservative

• a UV filter

Phthalates are also known as what because of their unique properties?

• Emollient

• Glycerine

• Plasticiser

• Vitamin E

The ingredient titanium dioxide ingredient is:

• an emollient

• a humectant

• a preservative

• a UV filter

This ingredient renders the pigment cells in the hair shaft colourless by a process of oxidation:

• Dihydroxyacetone

• Hydrogen Peroxide

• Titanium dioxide

• Urea

Lanolin is classified as:

• an emollient

• glycerine

• a plasticiser

• vitamin E

Outline the properties of Glycerine:

• Glycerine has softening, hydrating properties on the skin and hair.

• Glycerine is a strong acid used for cleaning metals.

• Glycerine is a volatile gas at room temperature.

• Glycerine is commonly used as a fuel for engines.

Outline the properties of Formaldehyde:

• It is used as a preservative to prolong shelf life and prevent bacterial contamination.

• It is a sweet-tasting liquid used in beverages.

• It is a natural vitamin found in fruits.

• It is a common flavoring agent in desserts.

Urea is a humectant?

• True

• False

Squalene is an emulsifier?

• True

• False

Pigments are generally found in which cosmetic products?

• Make-up – face powders and eyeshadows; Hair colour

• Toothpaste and mouthwash

• Sunscreen and aftershave

• Shampoo and conditioner