YouWishZeep, Venserweg 21M, Diemen (2026)

17/10/2026

Your soap is sweating. 💧 Woke up to tiny droplets all over your bars? Don't worry, your batch didn't fail. Here's what's going on.

💧 What it is: melt & pour soap bases are rich in glycerin, and glycerin pulls moisture from the air. In humid conditions that moisture collects as tiny water droplets on the surface. Soap makers call it "sweating". It's a cosmetic issue, not a failed batch.

🌧️ When it happens most:
• A steamy bathroom or kitchen
• Rainy, muggy weather
• Cooling your bars in the fridge. A cold bar in warm room air gets condensation on top (a different cause, the same wet look), so let your soap set at room temperature.

🧼 Why melt & pour sweats the most: the base already contains plenty of glycerin. Extra liquid glycerin makes it worse, so add no more than 1 teaspoon per 500 g of base. Overheating can also upset the formula: melt gently and avoid microwave hot spots (our sweat-free glycerine base: max 65°C).

✅ How to stop the sweat:
1. Wrap each bar tightly in cling film or shrink wrap as soon as it comes out of the mould, or keep it in an airtight container.
2. Store your bars somewhere cool, dry and dark. A linen cupboard or bedroom drawer works far better than a humid bathroom.
3. Making soap in a humid home? Use a low-sweat base. It's formulated to react less to humidity.

Already sweating? Pat the bars dry, then wrap them.

Save this before your next pour. Our Low Sweat melt & pour bases (transparent and white, SLS free) and sweat-free glycerine bases are on youwish.nl. 🤍

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17/10/2026

5 soap additives, 5 different jobs. 🧼 Which one does YOUR bar actually need? Pick the problem first, then the additive.

1️⃣ Bars too soft? Sodium lactate. This liquid salt makes cold process soap harder, so it lasts longer in the shower. Bars release from the mould 1–2 days sooner, cut cleaner and crumble less. Use 0.5–4%, stirred into your cooled lye water.
2️⃣ Want a silkier lather? Hydrolyzed silk protein. It improves lather and texture and adds a conditioning feel. Use 1–2% of your oil weight and dissolve it in the melted oils. It can make bars a little softer, so pair it with sodium lactate.
3️⃣ Sensitive skin? Colloidal oat powder. Finely ground oats that soothe and stay gentle, a favourite for baby and shaving soaps. Use 1–5% and stir it in at trace. Always ultrafine, so the bar never feels gritty.
4️⃣ Dry skin? Goat's milk extract powder. Moisturising and nourishing, and it gives your bar a creamy colour (the lather changes slightly). Mix it with a little water or milk first, then add it to the melted oils.
5️⃣ Need slip? Bentonite clay. The green-grey shaving-soap classic: more slip and glide, a creamy touch and a bit more lather.

Your recipe card for 500 g of oils:
• Sodium lactate: about 2 teaspoons, into cooled lye water
• Silk protein: 5–10 g, into the melted oils
• Colloidal oat powder: 5–25 g, at trace
• Goat's milk extract: 1–2% of the whole batch, about 7–15 g, pre-mixed with a little liquid
• Bentonite clay: about 1 tablespoon (the soap lather test on our blog used 1 tbsp per 450 g of oils)

Tip: add one new additive per batch, so you know exactly what made the difference.

Save this before your next batch. Sodium lactate, silk protein, colloidal oat powder, goat's milk extract and bentonite clay are all on youwish.nl. 🤍

12/10/2026

Gel phase or no gel? Same soap, two different looks. 🧼 And neither one is wrong.

Lye and oils make their own heat when they react. If that heat stays in the loaf, the soap gets warm enough to turn gel-like and semi-translucent for a while. That's gel phase. It changes how your bar looks and behaves, not whether it's a good soap.

Gelled: deeper, brighter colours and a slight glossy sheen. Micas really pop, and the soap firms up faster, so you can unmould and slice sooner.
Not gelled: creamy, matte and opaque, with lighter, softer tones. Made for pastels. Alkanet root turns deep purple in gelled soap and a soft mauve in ungelled soap.

Want gel? Mix oils and lye around 50°C, cover the mould with a board and wrap it in a thick blanket. Cold room? A heating pad under the mould helps. Keep a thermometer close: soap that gets too hot can crack.
Want no gel? Mix around 35°C and put the filled mould straight into the fridge or freezer for 24 hours. Smaller moulds lose heat faster. A must with milk or honey: their sugars can scorch and turn your soap dark. Ungelled bars firm up more slowly; about 2 teaspoons of sodium lactate per 500 g of oils, added to your cooled lye water, gives a harder bar.

The one to avoid: partial gel. Only the centre heats up, so you get a dark ring in the middle and pale, matte edges. Still fine to use on your skin, it just looks uneven. It happens more often in wooden moulds that hold heat well or in uncovered moulds at room temperature, so pick a side: insulate fully or chill fully.

Either way, cure your bars for 4–6 weeks. Best experiment: make one recipe both ways and compare after curing.

Save this for your next batch. Our digital thermometer, micas, wooden soap moulds with silicone liner and sodium lactate are all on youwish.nl. 🤍

11/10/2026

Real Makers, Real Reviews ⭐⭐⭐⭐⭐ 🧼

Siep makes cold process soap and had it tested with us for the PIF. Thank you for the kind words, Siep!

Thinking of selling your own soap in the EU? Soap is a cosmetic, so before it goes on sale it needs a Product Information File (PIF) with a safety assessment (CPSR). Our Safety Assessment for Soap bundles it all: PIF + CPSR, stability & compatibility test, CPNP notification and a product specification report.

💾 Save this for the day you're ready to sell, and share it with a soap-making friend.
🔗 Safety Assessment for Soap: youwish.nl

11/10/2026

Black soot on the glass isn't bad luck. 🕯️ Your wick is telling you something.

A wick works like a little pump: it pulls melted wax up to feed the flame. When that balance is off, the flame burns too big, too hot or too restless, and the soot ends up on your jar. Four usual suspects:

1️⃣ The wick is too big. It pumps up too much wax, the flame grows tall and flickers, black smoke coats the glass and the jar can get dangerously hot.
2️⃣ The wick wasn't trimmed. A long wick "mushrooms": a carbon ball forms on the tip and the flame turns unstable and hot.
3️⃣ Too much fragrance. Most waxes hold 6–10% fragrance oil. Extra oil doesn't bind to the wax, and a wick that burned clean in plain wax can start to smoke. Weigh it in grams, not drops.
4️⃣ A draft. Open windows, doors and fans make the flame dance and flutter toward the glass.

The fix: trim the wick to 5 mm before every burn, pick your wick by the inner width of your jar, stick to your wax's fragrance load and burn no longer than 4 hours at a time.

Soy wick chart (TCR, inner jar width): 38–50 mm TCR 21/12 · 50–57 mm TCR 24/12 · 57–63 mm TCR 24/14 · 63–75 mm TCR 27/16 · 75–83 mm TCR 30/18.
Wooden wicks: 39–51 mm → 13 mm · 52–76 mm → 15 mm · 77–89 mm → 19 mm. Wider jar? Two wooden wicks in one clip.

Charts are a starting point, so always burn-test: after 3–4 hours the melt pool should reach the edge of the glass.

Save this before your next pour. TCR and wooden wicks and our wick trimmer are all on youwish.nl. 🤍

10/10/2026

Your candle went from cream to tan to brown, and you never added a drop of colour. 🕯️ The fragrance did it.

Vanillin is the molecule behind vanilla scent, and in wax it slowly darkens, so the colour keeps changing long after the pour. It doesn't only hide in oils called "vanilla": many cream, cake, caramel and tonka blends carry it too.

More dye won't fix it. Your colour mixes with the brown, pastels turn muddy, and the darkening carries on anyway. A touch of white dye can soften a light yellow tint, and a UV inhibitor stops fading, but neither stops vanillin.

Before you pour, check "Vanilla content" and "Discoloration in candle wax" on the product page. Want it to stay cream? Pick low or zero vanilla oils, keep finished candles out of direct sunlight and watch one test jar for 30 days before the full batch. Or make it part of the design: tan, caramel and amber tones make darkening look intentional.

Three warm scents with no discoloration in candle wax (tested at 6% fragrance, checked after 30 days): Golden Pumpkin and Cardamom, Amberwood Twilight and Cashmere Noir and Oud.

Making soap? Discoloration in soap is listed separately on each page. For vanilla scents in melt & pour soap, our Vanilla Colour Stabilizer keeps bars white or ivory (1:1 with your fragrance oil).

Save this before your next pour. Everything is on youwish.nl. 🤍

09/10/2026

Your swirl looked perfect in the mould. Then you cut the loaf and found a muddy blur. 🌀

It didn't vanish, it blended. Swirls only stay crisp while the batter is fluid and the colours stay put. Five things usually get in the way:

1. Overmixing: swirls need a very light trace, like thin, runny custard. Pulse the stick blender briefly and finish by hand with a spatula.
2. Fast fragrance: some florals and spicy notes speed up trace, so the batter sets mid-swirl. Stir the fragrance in at the last moment and check "Acceleration of tracing" on the product page.
3. Too warm: warm batter thickens faster. Combine your oils and lye at around 35–40°C for more working time. A digital thermometer takes the guesswork out.
4. Too many passes: two or three loops with the hanger, one or two drags for an in-the-pot swirl. Every extra pass blends more.
5. Gel and colour: gel phase intensifies colours and can darken pastels. Water-soluble liquid dyes can migrate over days or weeks, while non-bleeding micas and oxides stay put. Pre-mix micas in a little light oil first.

Our swirl kit: non-bleeding mica powders, the Hanger Swirl tool (nylon-coated, bend it to fit your mould) and Sugared Strawberry fragrance oil, which doesn't speed up trace or discolour CP soap.

Save this for your next swirl. Everything is on youwish.nl. 🤍

05/10/2026

Your first candle doesn't need a studio. It needs a thermometer, a little patience and these steps. 🕯️

1. Weigh your wax in grams on a digital scale, not in millilitres.
2. Melt it gently in a double boiler to 70–80°C. Never over direct heat.
3. Let it cool to 65–70°C, add 6–8% fragrance oil and stir for two full minutes.
4. Glue the wick to the centre of a warm, dry jar (45–50°C).
5. Pour soy wax at 55–65°C, slowly, leaving about 1 cm at the top.
6. Leave it on a level, draft-free surface for at least 24 hours.

Then the hardest part: waiting. Soy candles need 1–2 weeks of curing to reach their full scent. Before the first burn, trim the wick to about 5 mm, and stop burning when about 1 cm of wax is left.

Not sure what to buy first? A candle kit has everything in one box. The full beginner's guide is on youwish.nl.

Save this for your first pour. 🤍

05/10/2026

Those shiny patches on the side of your candle aren't wet. They're air. 🕯️

A wet spot is where the wax has let go of the glass. A thin layer of air slips in between, the light reflects differently, and the patch looks wet. It's purely cosmetic: the candle burns and smells exactly the same.

Why it happens:
Wax contraction: wax expands when it melts and shrinks as it sets. The glass doesn't move with it. The hotter you pour, the more it shrinks, so pour as the wax just starts to thicken.

Vessel temperature: in cold glass the outer layer sets instantly while the centre is still liquid, then shrinks later and pulls inward. Warm your jars to about 45–50°C first.

Cooling speed: stone counters pull heat out of the base and drafts speed up the shrink. Cool your candles on a wooden board or a rack, about 10 cm apart.
Room temperature: a cold room makes wax shrink faster, and a cold snap can bring spots back. Aim for a calm, steady room around 20°C.

Also: wash and fully dry your jars, then wipe the inside with a little alcohol. Dust and fingerprints stop the wax from gripping.

Already got wet spots? Gently warm that part of the glass with a heat gun so the wax melts back against it, then let the candle cool slowly somewhere warm. With pure soy, a few spots are normal; it's a natural wax.

Waxes known for gripping the glass: EcoSoya CB-Advanced and Container Paraffin Wax KW485 (excellent glass adhesion) and EcoCoco Container (smooth from a single pour with good adhesion).

Save this for your next pour. Everything is on youwish.nl. 🤍

04/10/2026

Same Christmas scent. Same jar. Three different waxes, and you get three completely different candles. 🎄

Soy is the cosy, handmade one. It dries matte and can frost, the scent is soft and needs 1–2 weeks of curing to come through, and it burns cooler and slower than paraffin. Golden Wax 464 contains an additive that reduces frosting.

Coconut blend is the white luxury gift. EcoCoco Container sets bright white and smooth from a single pour, gives an excellent hot and cold throw and holds up to 12% fragrance. It's very soft, so it's made for jars, and like most natural waxes it usually needs a bigger wick than paraffin.

Paraffin is the bold party candle. It dries smooth and glossy, takes colour beautifully (think deep Christmas red) and throws scent fast enough to fill a room. Container Paraffin Wax KW485 melts at 57°C, grips the glass and holds up to 12%.

Pouring a Christmas tree or pine cone instead of a jar? Container wax is too soft to stand on its own. Use the mould version of the same wax: KeraSoy Pillar Blend, EcoCoco Pillar or Pillar Blend Paraffin.

Pick the candle you want first, then the wax. Save this before your Christmas pour; every wax is on youwish.nl. 🤍

YouWishZeep

17/10/2026

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