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.
Skin care produ... show full transcript
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
Water
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Answer
Water is a polar solvent that helps to dissolve other ingredients in skin care products. It also contributes to hydration, making the skin feel moist and supple. Additionally, water acts as a vehicle for the delivery of other active ingredients.
Step 2
Fats and Oils
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Fats and oils are non-polar compounds that provide emollient properties, helping to create a barrier on the skin to lock in moisture. They also help to spread the product evenly on the skin, improving its application and feel.
Step 3
Antioxidants
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Answer
Antioxidants, such as vitamins C and E, protect the skin from damage caused by free radicals and environmental stressors. They work by neutralizing these harmful compounds, contributing to healthier, more resilient skin.
Step 4
Minerals
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Minerals like zinc oxide and titanium dioxide serve as physical blockers against UV radiation. They reflect and scatter sunlight, offering crucial protection from sun damage and preventing premature aging.
Step 5
Sun Block
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Answer
Sun block ingredients can be either chemical or physical. Chemical sunscreens absorb UV radiation, while physical sunscreens create a barrier on the skin. Both types are essential for preventing sun damage and maintaining overall skin health.
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