Solid Perfume With Lemon Verbena: A 0.5% Balm Recipe

A tin of solid perfume is a small, pleasing thing: thirty grams or so of wax and oil, a few drops of scent, something to rub on a wrist. That smallness is exactly why the arithmetic is worth doing for lemon verbena, because in a balm "just a few drops" turns out to be a bigger share of the product than most recipes suggest.

Lemon Verbena Essential Oil bottle

Lemon Verbena Essential Oil

Our own Lemon Verbena Essential Oil, in sizes from 0.5 oz to bulk.

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Ten drops is nearly one percent

A widely copied style of balm uses 14 g beeswax, 28 g carrier oil, 5 g shea butter and 10 drops of scent. Ten drops is about 0.5 ml at the usual rough convention of 20 drops per ml (droppers vary, so a scale is better). At the relative density of 0.869 on the Certificate of Analysis we publish for one batch, that is about 0.43 g. Against a 47 g base, the oil makes up roughly 0.9% of the balm.

That number matters because a retailer's page quoting Tisserand and Young's Essential Oil Safety gives 0.9% as the maximum dermal use level for verbena oil, set to avoid skin sensitization. So ten drops, which looks modest, already sits at the top of the range in the sources. Our own dilution guidance for skin is 0.5% to 2% in a carrier oil with a patch test first, and for a leave-on balm we start at the lower end.

What the fragrance industry says about verbena

IFRA's verbena standard says that verbena oils from Lippia citriodora "should not be used as a fragrance ingredient, based on its sensitizing and phototoxic potential" (IFRA, 2020). The category limits in that standard are written for the absolute, not for a steam-distilled oil like ours, so none of them can be borrowed for a balm. IFRA's guidance files "solid perfume" under Category 4, the fine fragrance group worn on neck, face and wrists (IFRA Guidance, 51st Amendment).

Citral, the geranial and neral pair that gives much of the lemon character, has a standard of its own: 0.60% of the finished product in Category 4 (IFRA citral Standard). How much oil that allows depends on how much citral the oil carries, and that varies by sample. An Ecuadorian oil had geranial 26.8% and neral 21.0%, about 47.8% together (Parichanon et al., 2025); dried Portuguese leaf gave 34.0% or 37.3% depending on the still (Sprea et al., 2023). The certificate we publish does not list citral for our batch, so the table below uses those example oils. Dividing the cap by the citral share gives a ceiling of about 1.26% oil at 47.8% citral and about 1.76% at 34.0%. That is our arithmetic, not IFRA's wording, and the sensitizing and phototoxic grounds in the verbena standard stand whatever the citral sum says.

Oil in the balmOil in 30 gAbout how many dropsCitral in the balm (example oils)Against 0.60%
0.5%0.15 g3.50.17% to 0.24%Well under
0.9%0.27 g6.20.31% to 0.43%Under
1.26%0.38 g8.70.43% to 0.60%At the limit
2%0.60 g13.80.68% to 0.96%Over

Any other citral-bearing oil in the tin adds to the same ceiling, so a balm that already carries lemon verbena gains nothing from a second lemony oil.

A 0.5% balm, by weight

Here is a formulation worked out from those sums for a 30 g tin. The wax share is the part to adjust to taste: more wax makes a firmer balm, more carrier a softer one.

Melt the wax and carrier together in a heatproof jar set over a pan of hot water. Take it off the heat and let it cool until it just starts to cloud at the edges, then stir in the oil and pour into the tin. Essential oils are volatile, so adding the scent late, once the mix has cooled, keeps more of it in the tin. We sell only the lemon verbena oil, so the wax, carrier and tins come from a craft or cosmetic-supply seller. A scale reading to 0.01 g beats counting drops for an amount this small.

Making it a pleasure

Solid perfume is one of the nicest small projects in a kitchen. Set out everything before you start, because the wax cools quickly once it is off the heat. Have your tins open and ready on a tray, a spoon for stirring, and a towel for the jar. Pour steadily, tap the tin gently on the counter to settle the surface, and leave it somewhere cool and undisturbed until it is firm. The balm will smell stronger in the tin than it does on you, so judge it after it has set, not while it is warm.

Wearing it well

Patch test a small dab on the inside of the forearm before you commit a whole tin, and keep treated skin out of strong sun afterwards, since verbena can be mildly photosensitising. If you have reactive skin, eczema or a fragrance allergy, a dermatologist is the person to ask, and anyone who is pregnant should check with an OB/GYN or midwife first (our pregnancy article lays out what the authorities say).

If what you really want is the lemony aroma, a diffuser keeps the oil off skin altogether, and the rollerball article runs the same sums for a liquid format. Our substitutes article covers other routes to a lemon scent on skin. A small tin made at 0.5% is a quiet, close-to-the-skin way to enjoy a bright oil, and that is the whole charm of it.

Lemon Verbena Essential Oil bottle

Lemon Verbena Essential Oil

Lemon Verbena Essential Oil from our own shop, in sizes from 0.5 oz to bulk.

From $12.99

Shop Now →

Sources & Further Reading