How to Soften Slime

Slime is a popular sensory toy enjoyed by kids and adults alike. However, over time, slime can become hardened or too stiff, making it less enjoyable to play with. If you find yourself in such a situation, worry not! There are several effective methods to soften slime and restore its original texture. In this article, we will explore seven proven techniques to help you bring your slime back to its squishy, stretchy glory. So let’s dive in and learn how to soften slime effectively!

How to Soften Slime

Slime is a fantastic play material that offers tactile and sensory stimulation. It can be made using various recipes and ingredients, resulting in different textures and consistencies. However, if your slime has become hard or stiff, it might not be as enjoyable to play with. But worry not, because we have compiled a list of proven methods to soften slime and restore its original form.

1. Add Water

One of the simplest ways to soften slime is by adding water. Follow these steps:

  • Place the hardened slime in a bowl.
  • Gradually add a small amount of water to the slime.
  • Knead and manipulate the slime, allowing the water to soften it.
  • Repeat the process until you achieve the desired consistency.

2. Use Hand Sanitizer or Antibacterial Gel

Hand sanitizers or antibacterial gels can work wonders in softening slime. Here’s what you need to do:

  • Put the stiff slime in a bowl.
  • Add a drop or two of hand sanitizer or antibacterial gel to the slime.
  • Gently fold the gel into the slime until it is evenly distributed.
  • Continue kneading and stretching the slime until it reaches the desired softness.

3. Moisturize with Lotion

Lotion can act as a great slime softener. Follow these steps to use lotion:

  • Take a spoonful or two of lotion in a bowl.
  • Place the hardened slime in the bowl with the lotion.
  • Poke and prod the slime with your fingers until it is fully covered in lotion.
  • Knead the slime thoroughly until it becomes soft and pliable.

4. Heat Treatment

Heat can be an effective tool for softening slime. Here’s how to do it safely:

  • Immerse the hardened slime in a bowl of warm water.
  • Let the slime soak in the warm water for a while.
  • Remove the slime from the water and knead and stretch it while it is still warm.
  • Repeat the process multiple times until the slime regains its softness.

5. Incorporate Cornstarch

Cornstarch is a thickening agent that can help soften slime. Try the following method:

  • Add a small amount of cornstarch to your slime recipe.
  • Mix and knead the slime thoroughly, incorporating the cornstarch.
  • Check the consistency and add more cornstarch if needed.
  • Repeat the process until the slime reaches the desired softness.

Experiment with Different Recipes

If you find that your slime consistently turns out too hard, consider experimenting with different slime recipes. Look for recipes that include softening agents like conditioner or baby oil. By trying different recipes, you can discover the perfect combination of ingredients that yield a soft and squishy slime.

Proper Storage Tips

To maintain the softness of your slime over time, proper storage is crucial. Follow these tips:

  • Store your slime in an airtight container when not in use.
  • Keep it away from direct sunlight or excessive heat, as these can cause slime to harden.
  • Avoid exposure to air for extended periods.
  • Regularly check the condition of your slime and follow the softening methods mentioned earlier if it starts to harden.


Softening slime is a simple process that allows you to revive your favorite sensory toy. By utilizing techniques such as adding water, using hand sanitizer or lotion, applying heat, incorporating cornstarch, and experimenting with different recipes, you can restore your slime’s soft and stretchy texture. Remember to store your slime properly to maintain its softness and enjoy hours of fun playtime.


Can I soften slime that has been left out for a long time?

Yes, you can soften slime that has been left out for a long time. Follow the methods mentioned in this article, such as adding water, using hand sanitizer or lotion, and applying heat, to restore its softness.

How long does it take for slime to soften?

The time it takes for slime to soften depends on various factors, including the slime’s composition, level of hardness, and the method you choose to soften it. It may take a few minutes to several hours for the slime to regain its soft and squishy texture.

Can I use other ingredients besides cornstarch to soften slime?

Yes, you can try other ingredients such as baby oil, conditioner, or glycerin to soften slime. Experiment with different recipes and additives to find the perfect combination for soft and pliable slime.

How often should I soften my slime?

The frequency of softening your slime depends on how often you use it and the storage conditions. If you notice your slime becoming hard or stiff, it’s a good idea to soften it before each play session to enhance the sensory experience.

Is it safe to add water to slime?

Yes, adding water to slime is safe and a common method to soften it. However, be mindful of the amount of water you add, as excessive moisture can make the slime too sticky or dilute its texture.

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