Berry wax and bayberry wax: two soft plant waxes that are often confused

Berry wax melts at 40 to 46 C and bayberry at 45 to 48 C. Composition, why neither hardens a lip balm alone, and the 2 to 6 percent that earns its place.

Berry wax and bayberry wax are sold beside each other, described in nearly the same words, and bought interchangeably by people who then wonder why their balm will not set. They come from unrelated plants, they smell and look different, and the one thing they share is the thing that matters most: neither is a hard wax, and neither is built like the waxes it is usually compared to.

• Berry wax 40-46 C
• Bayberry 45-48 C
• Triglyceride, not wax ester
• Use 2-6%
• Both vegan

Two waxes, one shelf name

Berry wax comes from the fruit of Rhus verniciflua, the lacquer tree of China, Japan and Korea, also catalogued as Toxicodendron vernicifluum. The wax is taken from the outer layer of the fruit by hot pressing or solvent extraction and then filtered and deodorised. It arrives as ivory to pale yellow pastilles or flakes with a faint, slightly fruity waxy smell, and the EU ingredient name is Rhus Verniciflua Peel Cera, written Rhus Verniciflua Peel Wax on a US list.

Bayberry wax is a surface coating rather than a tissue fat. Several Myrica species, principally Myrica cerifera from the south eastern United States and Myrica pubescens grown in Colombia and Ecuador, produce fruit dusted with a pale wax. It is recovered by boiling the berries in water and skimming what floats. The result is olive to sage green, faintly translucent, and carries a balsamic, herbal, slightly spicy scent that people recognise from bayberry candles. The old genus name persists in ingredient lists even though botanists now file the plant under Morella.

So the pair differ in plant family, in the part of the fruit that supplies the wax, in colour, in scent and in hardness. What they share is chemistry, and it is the chemistry that decides how they behave in a pot.

The melting numbers, and why the sources disagree

Supplier specifications put berry wax at 40 to 46 C and bayberry at 45 to 48 C. Trade wax compilations put both higher, commonly 48 to 54 C for berry wax and 45 to 55 C for bayberry. Neither set is wrong, and the gap is not carelessness.

Two things cause it. First, method. A melting or slip point records the temperature at which a sample first collapses or begins to move, while a drop point records the temperature at which the softened material actually falls from a heated cup. On a material that softens over a wide window rather than melting sharply, the drop point can sit several degrees above the slip point, and neither of these waxes has a pharmacopoeia monograph to arbitrate. Second, batch variation. These are wild or semi-wild fruit crops with no compositional standard, and species, season and refining route all move the figure. The way to read the disagreement is set out in melting point methods: quote the method with the number or the number means little.

For formulating, use the low end. If part of a wax is already soft at 30 C, the flattering figure at the top of the range will not save the product in a warm room.

Read the bayberry row twice. It is nearly as hard a solid as candelilla and it melts more than twenty degrees lower. Hardness and melting point are independent properties, and confusing them is the most common mistake in wax substitution. Full penetration and gelling data for every balm wax is in waxes compared.

Why a triglyceride wax is not an ester wax

Beeswax, candelilla and carnauba are built from wax esters, long acids bonded to long alcohols, plus straight chain hydrocarbons. Those molecules are rigid, roughly linear and poorly soluble in liquid oil, so on cooling they crash out as needles and platelets that link into a continuous network. That network traps oil far beyond its own weight, which is why 5 percent of a good ester wax turns a jug of oil into a solid. The mechanism is described in oleogels and wax networks.

Bayberry, berry and Japan wax are mostly triglycerides: three fatty acids on a glycerol backbone, the same architecture as shea butter or lard, just weighted towards saturated chains. Bayberry is dominated by palmitic acid triglycerides, which is why it is sometimes called a vegetable tallow rather than a wax. That difference produces four practical consequences.

They are far more soluble in the oil phase. A triglyceride dissolves into liquid oil in a way a wax ester does not, so a good part of what you add never crystallises at all. It raises solid fat content instead of building a network, and it takes several times more of it to reach the same hardness. What is happening is set out in solid fat content.

They are polymorphic. Triglycerides crystallise first into an unstable alpha form and convert over hours to days into beta prime and then beta. So a berry wax balm keeps changing after you pour it: it hardens for a week, and if the transition runs far enough it can throw the coarse crystals that read on the finger as grit. That is the same mechanism that makes a badly cooled shea butter go grainy, and the general behaviour is covered in fat crystal polymorphism.

They set slowly and late. An ester wax thickens visibly as it passes its crystallisation window. These waxes stay pourable, then set gradually over the following hour with little warning, which is a problem if you were relying on viscosity to keep pigment suspended during the pour.

They soften early. A wide melting profile means a fraction of the material is liquid well below the quoted melting point. Berry wax is the worst offender, with a measurable part of it liquid below 30 C.

What they are actually good for

Stop asking these waxes to harden anything and they become useful. At 2 to 6 percent of a formula they do four things that the hard waxes do badly.

Creaminess. A candelilla balm sets glassy and can drag on the first stroke. Two to three percent of berry wax softens that break, giving a balm that yields smoothly instead of skating, without lowering the melting point of the structure much. If the complaint is a stick that grabs rather than glides, that is the fix set out in drag and poor glide.

Cling. Both waxes leave a slightly tacky, adherent film that keeps product on the lip through talking and drinking. It is the property vegan formulators miss most when they leave beeswax behind, since the hard plant waxes give structure but almost no adhesion.

Pigment suspension. Iron oxides and micas are dense, and in a low viscosity melt they sink between the pour and the set. A few percent of a soft, slow crystallising wax raises the low shear viscosity of the cooling melt and holds them in place. That is why these waxes turn up in natural lipstick formulas: see natural lipstick for the full method, and pigment sinking to the bottom if you have already poured a streaky batch.

Scent, in the bayberry case only. The green balsamic note survives into the product at three percent and above. In a winter salve or a solid perfume that is a feature you would otherwise pay a perfumer for. In a delicately fragranced lip balm it is contamination.

What an overdose looks like

Push past six to eight percent and the faults arrive together. The balm turns tacky rather than cushioned, so it picks up lint in a tin and feels sticky on the lip. Set time stretches from minutes to an hour or more, and tubes that are capped before they are properly solid dent and craze. Release from moulds gets worse. Most importantly, heat resistance falls, because every point you add is a point you took from a wax that melts twenty degrees higher. The diagnosis for the first symptom is in sticky, tacky balm.

The temperatures that matter are ordinary ones. A lip tube carried in a trouser pocket sits within a degree or two of skin temperature, roughly 30 to 34 C. Berry wax already has a liquid fraction there, so a berry heavy stick goes soft in the pocket and mushrooms when it is twisted up. Bayberry holds its shape to about 40 C and then gives way quickly, because a palmitic triglyceride melts over a narrower final window than a mixed ester wax does. A car interior in summer reaches 50 to 70 C, which is beyond every wax in the table above except in the sense that carnauba and candelilla balms deform rather than pour. If a product has to survive posting in July, neither fruit wax belongs in it.

Japan wax, the third member of the family

Japan wax comes from the fruit of Rhus succedanea, a close relative of the berry wax tree, and it is the same kind of material: a triglyceride wax, this one dominated by tripalmitin, melting around 50 to 53 C. It is harder and higher melting than either of the others, and it is notorious for slow crystallisation. A freshly poured Japan wax product can take days to reach final hardness and will keep firming for weeks, which is why it has a long history in pomades and traditional candles where that plasticity is wanted.

Because two of the three come from the genus Rhus, the names on a supplier page are the only reliable guide. There is no way to tell them apart by eye once they are pastilles.

The reason to insist on the botanical name is that the three behave differently at the same percentage, and a substitution made on the marketing name will not reproduce. How the naming system works, and why the supplier's marketing name has no standing on a label, is covered in INCI names explained.

Colour, scent, cost and supply

Berry wax is close to neutral: ivory to light yellow, and at 3 percent it neither colours nor scents a balm noticeably. Bayberry is the opposite. Its sage green tints a pale balm at anything above about 2 percent, and the scent is strong enough to design around rather than to hide. Neither is a candidate for a fragrance free product, though berry wax comes close.

On cost, both sit well above beeswax and candelilla per kilogram, and bayberry is one of the more expensive waxes in ordinary cosmetic trade because the yield is poor. The wax is a surface bloom on a small fruit, and the historical figure quoted by candle makers is around fifteen parts of berries to one part of wax. Because the use levels are low, the cost per finished unit is bearable: at 3 percent of a 4.25 g lip tube you are using 0.13 g. Cost per unit of structure, however, is terrible, because these waxes provide very little structure at all.

Supply is thinner than for the industrial waxes. Bayberry is largely hand harvested from wild and smallholder trees, so availability and price move with the season, and a formula that depends on it is a formula with a single point of failure. Both waxes are plant derived and suitable for vegan products, which is usually why they were bought in the first place. Ask for a specification sheet with a melting point and a named method on it, and ask about the extraction solvent used for berry wax.

One question comes up often enough to answer plainly: Rhus verniciflua is the lacquer tree, and its sap contains urushiol, the compound responsible for poison ivy dermatitis. The wax is taken from the fruit, not the sap, and refined cosmetic grades are sold as urushiol free. There is no established pattern of reactions to cosmetic berry wax, but there is also no monograph forcing the point, so if you sell to the public, get the supplier to state it in writing.

The honest verdict for a vegan lip balm

If you are replacing beeswax, these are not the waxes to build on. Sunflower wax gels oil at the lowest concentration of any common cosmetic wax and gives a clean, firm structure, and candelilla wax gives hardness and a melting point in the high sixties that survives a warm day. Berry and bayberry wax do neither. No published gelling data exists for either of them, which means the substitution factors circulating for them are guesses, and the honest instruction is to test rather than calculate. The comparison across the whole vegan set is in vegan beeswax substitutes, and a worked formula that uses the fruit waxes as modifiers rather than structure is vegan lip balm, and if you want to convert an existing recipe, run the numbers in the wax substitution calculator and then make a test batch, because the calculator will tell you the same thing.

The decision rule is straightforward. Put 80 to 90 percent of your wax budget into sunflower wax or candelilla, then add berry or bayberry at 10 to 20 percent of that budget, which lands at 2 to 4 percent of the formula, and only if you have a specific complaint the base wax cannot fix: a stick that drags, a tint that sinks, a film that will not cling. If you have no such complaint, skip them and keep the money. Choose berry wax when the product must stay pale and unscented, bayberry when you want the green and the balsam and can build the fragrance around it. And accept the limit that neither material can be argued out of: a wax that is partly liquid at body temperature will never hold a lip tube upright on its own, whatever the melting point on the data sheet says. If cushion and cling are what you are chasing and the product does not have to be vegan, beeswax does both at a fifth of the price.

Reviewed and updated 6 September 2026. Spotted an error? Tell us and we will fix and log it.