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How to Make Slime Without Activator
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BeautyHealthPersonal Care

How to Make Slime Without Activator: A DIY Guide

Making slime has been very popular online recently, enticing kids and adults with its squishy, flexible, and intriguing qualities. Numerous slime recipes ask for the use of activators that may be damaging to the skin and eyes, such as borax. 

You’ve come to the right place if you’re seeking a safer and more natural substitute. In this post, we’ll look at how to make slime without an activator using everyday items that are suitable for kids of all ages. Prepare to explore the world of DIY slime-making with our detailed instructions!

Ingredients Required

Firstly, gather all the things you’ll need to produce slime without an activator before we begin. You probably already have the following simple, commonplace things in your kitchen:

  1. Glue: The main component that gives your slime its flexible, gooey texture is white school glue. For transparent slime, use clear glue, whereas for opaque slime, use white glue.
  2. Baking Soda: In this recipe, baking soda will replace the activator. It aids in triggering the chemical process required for the formation of the slime.
  3. Saline Solution or Eye Drops: Seek saline solutions or eye drops with sodium borate listed as a component. Your slime will have the essential binding agent thanks to this sodium borate.
  4. Food Coloring (Optional): Use food coloring or gel-based coloring to give your slime a splash of color.
  5. Mixing Bowl: To combine your ingredients, use a medium-sized mixing bowl.
  6. Spoon or Stir Stick: Mix your items using a spoon or stir stick.
  7. Container: Once you’ve completed making your slime, you’ll need to keep it in an airtight container.

Step-by-Step Method to Make Slime Without Activator

Let’s get started with the step-by-step procedure for creating slime without an activator now that you have your supplies available.

1. Set Up Your Workspace

It’s crucial to have a tidy and clutter-free desk before you start. To shield your surfaces from any spills or accidents, spread out some newspaper or a plastic tablecloth.

2. Measure Out the Glue

Put the necessary quantity of white school glue into the mixing bowl to begin. The amount of slime you produce will depend on how much glue you use. Usually, one bottle of glue (4-6 ounces) is sufficient to make a sizable quantity of slime.

3. Add Baking Soda

Baking soda, which will replace the activator, should now be added. To the glue, you should add around 1/2 teaspoon of baking soda. Although this is a decent quantity to start, you may change it to get the slime’s desired consistency. Completely mix the baking soda into the glue.

4. Add Food Color

This is the perfect moment to color your slime if you want to. To give your slime a vivid color, only a few drops of food coloring or gel-based coloring will do. Until the coloring is dispersed uniformly, stir the mixture. Avoid going overboard since too much coloring might leave your hands and surfaces stained.

5. Mix the Saline Solution

The secret to generating slime without an activator is to use sodium borate-containing eye drops or saline solution. Choose one with sodium borate listed as one of its components. Gradually add the saline solution to the glue mixture, a few drops at a time. As you add the saline solution, stir constantly. You’ll see that the liquid begins to combine and take the appearance of slime.

The saline solution should be added and stirred continuously until the slime starts to separate from the bowl’s edges and loses some of its stickiness. It should only take a few minutes, and to prevent overactivating the slime, you must move cautiously.

6. Knead and Stretch

It’s time to get your hands dirty after your slime has been created. The slime should be removed from the bowl and worked on a spotless surface. Its consistency and texture are enhanced by kneading. Although it will be rather sticky at first, it should become less sticky and more elastic as you knead it.

To gauge the consistency of the slime, pull and stretch it. You may add a small bit more saline solution if it’s too sticky and keep kneading until you have the texture you want. To avoid making the slime excessively stiff, take care not to add too much saline solution all at once.

7. Keep Your Slime Safe

When your slime has reached the ideal consistency, keep it in an airtight container to avoid drying out. To keep your slime fresh for future play, be sure to properly shut the container.

Fun Slime Variations to Try

It’s time to advance your slime-making abilities now that you’ve mastered the fundamentals of generating slime without an activator. We’ll look at some fun slime variants that you may recreate using the same activator-free recipe as a basis. 

1. Fluffy Slime

Fluffy slime is a pleasant version that is soft, airy, and a lot of fun to squish and stretch. You’ll need shaving cream as an extra component to generate fluffy slime.


  • School glue, white
  • Baking soda
  • Saline solution or sodium borate eye drops
  • Shaving cream without fragrance


Before adding the saline solution and continuing with the same general procedure as making slime without an activator, fold in a notable quantity of shaving cream. Your slime will get fluffier as you add more shaving cream.

Add the saline solution and continue to knead the slime as normal once the shaving cream has been incorporated. The texture will change to one that is lighter and more airy, giving you a fluffy slime to enjoy.

2. Shiny Slime

Your slime creations will shimmer and dazzle with glitter slime. It’s ideal for slime lovers who like a little sheen.


  • School glue, white
  • Baking soda
  • Saline solution with sodium borate 
  • Glitter (fine or chunky, in your choice of colors)


Start by preparing the basic slime mixture according to the preceding method. When the slime has taken shape, add your choice of glitter and knead it in. To get the right quantity of shimmer, you can change the amount of glitter. Add little items to your slime to provide texture or interest, such as glitter, foam beads, or small toys. Enjoy your sparkling, sparkly slime as it catches the light and gives your sensory play a little magic.

3. Clear Slime

Clear slime has an eye-catching transparent characteristic that sets it apart from other types. You must use clear glue instead of white school glue to make transparent slime.


  • Clear school glue
  • Baking soda
  • Saline solution or sodium borate 
  • Food coloring or colored glitter (optional)


In the basic slime recipe, replace white glue with clear school glue. Apply the same techniques when adding the optional glitter or coloring, baking soda, and saline solution. Due to its translucence, clear slime provides a unique sensory experience, making it fascinating to play with and watch.

Common Mistakes to Avoid While Making Slime Without Activator

Although making slime without an activator is a great and secure option, mistakes may still happen. The following blunders should be avoided to have a successful experience producing slime:

1. Wrong Ingredient Ratios

Not precisely measuring the ingredients is among the most frequent mistakes. Slime may become sticky or too active if the ratio of glue, baking soda, and saline solution isn’t kept in check. To get the correct consistency, always adhere to the exact recipe.

2. Rushing the Process

When creating slime, patience is essential. Over-activation may happen if the process is rushed, particularly when adding saline solution. Knead the slime completely, add the saline solution gradually, and take your time.

3. Ignoring Proper Hygiene 

Making slime requires a lot of physical labor. By not washing your hands before and after handling slime, you might add pollutants like dirt or germs, which would make your slime less desirable and safe.

4. Excessive Coloration

Adding too much food coloring or glitter may cause your hands and surfaces to get stained, and it can also change the consistency of your slime. Because a little goes a long way, use these ingredients carefully.

5. Skipping Kneading 

The appropriate slime consistency can only be achieved by careful kneading. This step must be completed to avoid uneven or clumpy slime. Spend some time kneading the slime until it is smooth and elastic.

Avoiding these frequent errors will allow you to create a range of textures and colors without the need for activators, keeping your slime safe and interesting to play with.


When you use the proper procedures and supplies, it’s not only doable but also simple and secure to make slime without an activator. You can make a multicolored, flexible DIY slime that’s suitable for kids and adults by mixing white school glue, baking soda, and saline solution. 

To make your slime creations unique, experiment with various colors, textures, additions, and variations. With this easy and entertaining method, you may enjoy making slime and playing with it without using the harmful chemicals included in conventional activators. Making slime will never be more pleasurable or convenient!
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Sara Benz
Hello, I'm Sara Benz, and I'm a certified Health & Beauty blog writer, and I've completed my master's degree from a US university, and I have 3 years of experience writing blog posts. I write on topics including Health & Beauty. My work has been published by various websites.