Alum, also known as potassium aluminum sulphate, can be used to purify water.

Alum Powder can also help in relieving Canker Sores, as a Water Purifier and to Reduce Body Odour

Preserving Cut Hydrangea Blooms: Dipping cut hydrangeas in alum is one of the most popular methods of preventing wilt. After cutting, simply dip a small section of the hydrangea stem into the alum powder before putting the flower in a vase. It is believed that this process will help the flowers with water uptake.

Alum mixed with wax has been used by women to remove unwanted hair. It is also beneficial for tightening and whitening of the skin due to its astringent property. Alum causes cells to shrink and removes excess oil from the skin making it effective for the reduction of acne scars and pigmentation marks.

HOW TO MAKE CRYSTALS FROM ALUM POWDER

Pour 1/2 cup of hot tap water into a clean jar. Slowly stir in alum, a little at a time, until it stops dissolving. Loosely cover the jar and allow the jar to sit undisturbed overnight.

The next day, pour the alum solution from the first jar into the clean jar. You will see small alum crystals at the bottom of the jar. These are 'seed' crystals that you will use to grow a big crystal.

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