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Frequently Asked Questions

Can’t find the answer you’re looking for? Reach out to our customer support team – we’re happy to help!

How do I know which slime color will glow in the dark?
All of our “Glowy” series slimes are specially formulated with safe, child-friendly phosphorescent pigments. Look for 🌟 next to the product name to glow bright!
Can my child use slime without supervision?
We recommend adult supervision for kids under 5, to ensure they don’t accidentally taste it. Our slime is non-toxic, but best kept “hands only”!
What’s the best way to store slime?
Keep your slime in its airtight tub when not playing. Store at room temperature away from direct sunlight to avoid drying out or melting.
How long does slime last?
With proper storage, most of our slimes stay soft and stretchy for 4–6 weeks. If it starts to dry, add a drop of water and knead to revive.
Is your slime safe for sensitive skin?
Yes! We use hypoallergenic, dermatologically tested ingredients. If skin irritation occurs, discontinue use and rinse with water.
How long will my order take to arrive?
Standard orders typically arrive within 5–7 business days. Express shipping (2–3 business days) is also available at checkout.
Can I customize my own slime kit?
Absolutely! Use our “Create Your Slime” builder on the site to pick colors, add-ins (glitter, beads, scents), and packaging.
Do you offer bulk order discounts for parties?
Yes—we have special pricing for birthday parties and events starting at 10 kits. Email us at events@slimeuniverse.com for details.
What’s the easiest way to clean slime off surfaces?
Let the slime dry completely, then gently scrape it away. Wipe with a damp cloth and mild soap for any residue.
Do you ship internationally?
We ship to select countries—check our shipping page for your region. International orders may incur customs fees.