Bezzie
HomeShopBezzie Slime Activator 550ml
★★★★★4.9 · 200+ reviews

Bezzie Slime Activator 550ml

The perfect starter size. Keep the kids busy for hours with 15-20 slimes from a single bottle. Screen-free, mess-free, meltdown-free. Fully tested, kid-friendly & perfected by Lydia, the Slime Queen with millions of followers.

£10.99
FREE next day tracked UK delivery on every order, any size. Order before 5pm.
🇬🇧UK Made
Non-Toxic
👧Kid Safe (3+)
15-20 Slimes
★★★★★
Trusted by 70,000+ slimers across the UK
What parents are saying

Don't just take our word for it.

4.9
★★★★★
Average rating from 200+ verified reviews
100% of customers would recommend Bezzie
Verified buyersUK customers
★★★★★
Best activator I've ever used

I've tried so many activators over the years and nothing comes close to Bezzie. Perfect consistency every time.

🌸
Nikki M.
March 12, 2026
Verified Purchase
★★★★★
My daughter is obsessed

Bought this for my 7-year-old and she hasn't stopped making slime since. Easy to use, safe, and the slime actually turns out perfect.

💜
Sarah T.
March 8, 2026
Verified Purchase
★★★★★
Works every single time

I was so sick of activators that ruined my slime. Bezzie just works. No adjusting, no googling ratios. Genuinely the best.

Emma R.
February 28, 2026
Verified Purchase
★★★★★
Bought the 4-pack, no regrets

My kids go through activator like water so the 4-bottle bundle is a lifesaver. Free shipping and saves money.

🎀
Jake P.
February 20, 2026
Verified Purchase
★★★★★
Finally, one that actually works

I've wasted so much money on rubbish activators from Amazon. This is the real deal. UK made, actually works, and insanely stretchy.

🩷
Chloe W.
February 14, 2026
Verified Purchase
★★★★★
UK made and it shows

Love that it's made in the UK — you can tell the quality is there. My slime comes out perfect. Will always repurchase.

🪷
Megan L.
February 5, 2026
Verified Purchase
Why Mums Choose Bezzie

The activator that keeps kids busy & parents happy.

🧪
Safe Ingredients You Can Trust

EN71 & CE approved. Replaces contact lens solution, baking soda & Borax. No nasty chemicals near your kids.

📱
Hours of Screen-Free Play

Rainy days, school holidays, after school. One bottle keeps them entertained for weeks. You're welcome.

👧
Kid-Tested, Mum-Approved

Non-toxic, skin-safe, ages 3+. Over 200 five-star reviews from parents who actually let their kids use it.

🇬🇧
Made in the UK

Proudly made here. No importing, no waiting, no mystery ingredients. Just the good stuff.

So easy, even the kids can do it

Three steps. That's it.

No science degree needed. If they can stir, they can slime.

1
🥣
Add glue to a bowl

Any PVA or clear glue works. Let them pick the colour, glitter, or whatever makes it theirs.

2
💧
Add Bezzie activator

About 1 teaspoon per 100ml of glue. That's all you need. No other ingredients required.

3
🤩
Mix, stretch & play!

Watch their faces light up. Stretchy, glossy, satisfying slime. Every single time. You might even get 10 minutes of peace.

Why Mums Are Switching To Bezzie

Bezzie Slime Activator 550ml
Trustpilot
  • Kid-friendly ingredients, Made in UK
  • Super strong formula and lasts longer
  • Makes perfect slime every time
  • Great value for money
VS
Other activators
  • Not made in the UK
  • Heavily watered down
  • Doesn't make strong slime
  • Expensive and doesn't last
£10.99

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