How to Make Slime With Contact Solution

The slime craze continues and so many people are having fun making slime! Not only is slime fun to make – but kids will love stretching and squishing it. You’ve probably heard of all the slime fails. Well you’ve come to the right place for an easy slime recipe. Our favorite slime recipe is made with contact lens solution. It’s the easiest we’ve tried and without borax. So you won’t have to worry about slime fails with this one! Be sure to read the full post and tips below on how to make slime with contact solution!

How to make slime with contact solution

How to Make Slime With Contact Solution

There are a number of different slime activators you can use to “transform” your glue mixture into slime. Contact lens solution is our favorite activator. You can also replace this for saline solution, but just make sure that that they contain  boric acid and sodium borate.

Why is boric acid important for slime? 

Boric acid is made from borax and similarly liquid starch contains sodium tetraborate which is also made from borax. Typically all activators have some derivative of borax. However, we prefer using the contact lens solution as it’s easier to use and more widely available (liquid starch is not available in Canada and Borax is not available in the UK).

This Renu Fresh Contact Lens Solution is one of the recommended brands we suggest since it contains both boric acid and sodium borate. But there are many others you can find as well.

Slime with contact solution

Ingredients for How to Make Slime With Contact Solution

This easy 3 ingredient recipe is such a popular one! If you haven’t seen our Unicorn Slime made with it, head over to watch the video on how it’s done!

Only 3 ingredients are needed: 

1. 1 Bottle of Elmer’s Glue (6 oz) – we like to buy the gallon size and then measure out for savings. If you want to get a similar effect to the photos in this post, you’ll need to buy Elmer’s glitter glue and review our Unicorn slime recipe.

We recommend Elmers as it has been tested and is quality glue. If you do not have Elmers in your country, substitute for the next best quality glue. Do not use dollar store glue as this is what results in a lot of slime fails. The make-up of the glues are not the same. Note, we have only tested this recipe with Elmers. 

2. Baking Soda (1/2 TBSP)

3. Contact Lens Solution – Renu Fresh or Equate are both good brands which contain Boric Acid and Sodium Borate

4. (Optional) – Add 1 TBSP or up to 1/2 CUP of water if you’d like a stretchier slime.

5. (Optional) – extra glitter

RELATED: Watch how it’s made on our Unicorn Slime Recipe page

Steps for How to Make Slime With Contact Solution

1. Get a bowl to mix your slime ingredients in.

2. Pour your entire 6 oz Elmer’s Glitter glue into the bowl.

Bottle of Glitter Glue

3. Add your 1/2 TBSP of baking soda and mix in thoroughly. Also add 1 TBSP or more of water here (up to 1/2 cup) if you want a stretchier slime.

Baking Soda add to Slime

5. Slowly add in your contact lens solution (reminder: your contact lens solution should contain boric acid or your slime will not form). Add it in slowly and mix if possible so that you can adjust and ensure you do not add too much. You may not need the full amount so take this step slowly.

6.  Now mix until your slime forms and begins to harden. Take it out and knead, knead, knead. You may be surprised how much you need to knead to really make the slime form. If it’s not the desirable consistency keep kneading. If you find it to still be too sticky, add a bit more contact lens solution.

slime contact solution

You can print the full recipe off here: 

How to Make Slime With Contact Solution

How to Make Slime With Contact Solution

Ingredients

  • 1. 1 Bottle of Elmer's Glue (6 oz)
  • 2. Baking Soda (1/2 TBSP)
  • 3. Contact Lens Solution
  • 4. (Optional) - Add 1 TBSP to up to 1/2 CUP of water if you'd like a stretchier slime.
  • 5. (Optional) - Add in extra glitter if desired

Instructions

  1. Get a bowl to mix your slime ingredients in.
  2. Pour your entire 6 oz Elmer’s Glitter glue into the bowl.
  3. Add your 1/2 TBSP of baking soda and mix in thoroughly. Also add 1 TBSP or more (up to 1/2 cup) of water here if you want a stretchier slime.
  4. Slowly add in your contact lens solution (reminder: your contact lens solution should contain boric acid or your slime will not form). Add it in slowly and mix if possible so that you can adjust and ensure you do not add too much. You may not need the full amount so take this step slowly. 
  5. Now mix until your slime forms and begins to harden. Take it out and knead, knead, knead. You may be surprised how much you need to knead to really make the slime form. If it’s not the desirable consistency keep kneading. If you find it to still be too sticky, add a bit more contact lens solution.
https://www.thebestideasforkids.com/how-to-make-slime-with-contact-solution/

We hope this easy to follow recipe on how to make slime with contact solution has been helpful!

contact lens solution slime

Now head over to our Unicorn Slime page to see how this was turned into Unicorn slime and watch the full video tutorial!

Unicorn Slime Recipe

Slime Safety & Precautions

Note: this recipe does not contain borax. However, it is still considered a science experiment and safety precautions should still be made when creating slime. By making this slime, you agree to our site terms which you can read here.

  • Adults should handle any chemicals and products
  • Adults should make the slime
  • Always read and follow the labels of products used. If contact lens solution is accidentally ingested, seek medical attention immediately.
  • This project is not suitable for children under 4.
  • Slime should not be placed in the mouth. After playing with the slime, you should thoroughly wash your hands.

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