Thames & Kosmos Creative Cosmetics Lab handleiding

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Thames & Kosmos

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Handleiding

EXPERIMENT 1

Make a salt scrub

YOU WILL NEED

Small beaker, two test tubes, experiment

station, pipette, stirring rod, perfume oil, salt,

oil (see list of oils on page 2), sugar

HERE’S HOW

Place the two test tubes in the experiment

station. Use the small beaker to measure

7 ml of salt and pour it into one of the test

tubes. Then measure and pour 7 ml of

sugar into the second test tube.

Measure 7 ml of oil with the small beaker.

Add 3 drops of the perfume oil to the

beaker.

Divide the oil evenly between the two test

tubes (3.5 ml each) using the pipette. Use

the stirring rod to stir the contents.

Rub a small amount of the salt scrub on a

small area of skin on your arm. Then rub

a small amount of the sugar scrub on the

area next to the area where you used the

salt scrub. Compare the smoothness of

your skin in both areas.

WHAT’S HAPPENING

Table salt and sugar both consist of

crystals. As you scrub your skin, the

sharp microscopic edges of the

crystals work like sandpaper,

removing the dead skin cells on

the outermost layer of your skin.

This process is called exfoliation.

Do not use the

salt or sugar

scrub on dry skin.

You do not need to

scrub hard or long for

your skin to become

smooth. You may see

some initial redness

after using the salt or

sugar scrub.

Measure 7 ml of oil with the small beaker and divide this evenly between the two test tubes.

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