Revision Quiz for Queensland Multi-strand Science syllabus,
Unit 8 - Cosmetics and Dermatology
Ingredients are listed in descending order, calculated either by mass or volume
A manufacturer may apply for permission to refer to a particular ingredient as "other ingredient" where it can prove the substane is a trade secret and will be kept secret.
A manufactuer may use the phrase "may contain..." on products manufactured on the same equipment as other cosmetic products.
Ingredients must be listed in English in a clear and legible manner.
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Subcutaneous fat, epidermis, dermis
Subcutaneous fat, dermis, epidermis
Epidermis, subcutaneous fat, dermis
Epidermis, dermis, subcutaneous fat
Dermis, epidermis, subcutaneous fat
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Capillaries, sweat duct, pore, hair follicle, sebacious gland & hair
Sebacious gland, sweat duct, hair follicle, pore, capillaries & hair
Capillaries, pore, hair follicle, sweat duct, sebacious gland & hair
Pore, capillaries, sweat duct, hair, sebacious gland & hair follicle
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Arrector pilli muscle, papilla, sweat gland
Sweat gland, papilla, arrector pilli muscle
Arrector pill muscle, sweat gland, papilla
Papilla, sweat gland, arrector pilli muscle
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Dirt on the skin becomes trapped, clogging up the pores, giving them a dark (black) appearance.
Overproduction of oil from the sebacious glands reacting with bacteria, which hards and blocks the follicles, oxidising to give a dark (black) appearance
Oil and grease from overexposure to oils in atmosphere becoming trapped in the sweat glands, oxidising to give a dark (black) appearance.
Hair follicle reacting with bacteria and becoming infected and forming a pustule, clogging the follicle.
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Eat healthy foods with lots of fresh foods.
Exercise in moderation.
Clean face several times a day with a low pH astringent, removing bacteria and oils from face.
Wear SPF30+ sunscreen when outdoors
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3.5 - 9
4.5 - 10
6.5 - 11.5
4 - 6.5
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22 minutes
35 minutes
1 hour, 5 minutes
1 hour, 45 minutes
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Found in the cornified layer and gives skin it's elasticity
Found in the granular layer and synthesises vitamin D
Found throughout the dermis and is responsible for pigmentation of the skin
Found in the germinative layer and produces new cells for the epidermal layer
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Releases oily secretions on to the surface of the skin to prevent loss of moisture
Maintain moisture on the skin surface to provide a medium for the healthy growth of bacteria
Provide fluid necessary for evaporative loss from the body
Release excess water and salts from the tissue
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