Skin care products contain a mixture of polar covalent, non-polar covalent and ionic compounds - Scottish Highers Chemistry - Question 8 - 2017
Question 8
Skin care products contain a mixture of polar covalent, non-polar covalent and ionic compounds. The compounds need to stay mixed within the product.
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Worked Solution & Example Answer:Skin care products contain a mixture of polar covalent, non-polar covalent and ionic compounds - Scottish Highers Chemistry - Question 8 - 2017
Step 1
Explain the role of water in skin care products
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Answer
Water serves as a solvent in skin care formulations. It helps to dissolve other ingredients and allows the product to spread evenly on the skin. Additionally, water provides hydration to the skin, which is essential for maintaining skin elasticity and appearance.
Step 2
Explain the role of fats and oils in skin care products
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Answer
Fats and oils act as emollients, which help to soften and smooth the skin. They create a protective barrier that retains moisture and prevents transepidermal water loss. Moreover, they can enhance the spreadability of the product.
Step 3
Explain the role of antioxidants in skin care products
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Answer
Antioxidants protect the skin from oxidative stress caused by free radicals. They help to prevent premature aging and skin damage, providing a protective effect against environmental factors such as UV radiation and pollution.
Step 4
Explain the role of minerals in skin care products
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Answer
Minerals like zinc oxide serve as sunscreen agents, providing a physical barrier to UV radiation. They help to prevent sunburn and minimize the risk of skin cancer by reflecting and scattering harmful UV rays.
Step 5
Explain the role of sunblock in skin care products
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Answer
Sunblock contains active ingredients that either chemically absorb or physically block UV radiation, protecting the skin from sunburn and harmful UV effects. Proper use of sunblock is essential for preventing skin cancer and maintaining overall skin health.
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