A sunscreen is a cream or liquid that you put on your skin to protect it from the sun’s rays, especially in hot weather.
e.g. Use a sunscreen suitable for your skin type.
e.g. Re-apply sunscreen every two hours, especially if you have been swimming.
e.g. I use a sunscreen whenever there is even a remote possibility that I will be in the sun.
e.g. Sunscreen can lose its potency if left over winter in the bathroom cabinet.
Sunblock is a cream which you put on your skin to protect it completely from the harmful effects of the sun.
e.g. Sunblock should be reapplied every hour.
e.g. We can protect skin from ultraviolet light by using a sunblock.
Soap is a substance that you use with water to wash your body or sometimes for washing clothes. It can be a liquid, but is usually a solid piece called a bar of soap.
e.g. Avoid using perfumed soaps on sensitive skin.
e.g. This soap lathers well and quickly.
Shower gel is a type of liquid soap designed for use in the shower.
e.g. Shower gel is available in different colors and scents.
e.g. Use an incredible shower gel with lovely aroma that lifts you up and makes you happy.
Perfume is a pleasant-smelling liquid, usually made from oils taken from flowers or spices, that you put on your skin to make yourself smell nice.
e.g. What perfume are you wearing?
e.g. She stocks a wide range of perfumes.
e.g. She adores French perfume.