Frequently Asked Questions

Flexible wax includes a small amount of polymer, making it less likely to crack during mailing. Traditional wax has a classic brittle snap and is best for hand-delivered pieces. Keencore Atelier offers both; check each product’s “Use” tag.

Melt two small beads in a spoon over low heat until fluid, pour onto the paper, count to three, then press the stamp with steady, even pressure for 10 seconds. Lift straight up. Practice on scrap paper first.

While warm (not hot), wipe the spoon with a lint-free cloth. For brass, allow it to cool, then use a soft cloth—avoid abrasives. A tiny dab of mineral oil preserves the finish.

Yes, with flexible wax and additional outer protection. Many clients place seals on inner envelopes or use clear stickers over the seal. Consult your local postal service for machine-handling rules.

Remove heat and wait 20–30 seconds. Stir gently to cool the mixture. Bubbles indicate too much heat; aim for a slow, even melt.

Absolutely. Blend beads to create marbling or custom tones. Warm gently and stir minimally to preserve striations if you prefer a marbled effect.

For most stationery, 25–30 mm is balanced. Larger seals (35–40 mm) suit packaging and invitations. Our product pages list recommended wax volume per size.

You can use tea lights with a spoon, but our electric furnace provides stable heat without open flame—ideal for workshops and events.

Contact us at [email protected] with your order number. We’ll confirm status and options for edits while the order is in preparation.