The basic structure
Lip balm is one of the simplest skincare products to understand, which makes it a popular first project. Nearly every basic balm is made of three kinds of ingredient melted together and poured into a small container:
- A wax, which gives firmness and forms a protective film on the lips.
- An oil, which keeps the balm soft and spreadable.
- A butter, which adds creaminess and cushion.
There is no water in this kind of recipe. That matters: it means the balm does not need a preservative the way creams and lotions do, and it avoids the main spoilage problem in homemade skincare.
What waxes do
The wax is the backbone. Without it you would have a soft oil or butter paste that smears.
- Beeswax is the classic choice. It forms a protective layer and gives a balm a pleasantly firm, slightly tacky feel. Natural beeswax has a mild honey scent.
- Candelilla wax is a plant wax often used in vegan balms. It is harder than beeswax, so people often use somewhat less of it for the same firmness, though recipes vary.
- Carnauba wax is another plant wax, even harder, usually used in small amounts.
How much wax you use controls the texture. More wax gives a firmer, longer-lasting stick; less gives a softer balm in a pot. Recipes are usually given by weight rather than volume, since measuring by weight is more consistent. Many recipes use a rough starting ratio and then adjust, but the best approach is to follow a trusted recipe first and change one thing at a time.
What oils do
Oils soften the mix and spread easily. Popular choices include sweet almond, olive, sunflower, jojoba, coconut and castor oil. Each has a different feel:
- Sweet almond and sunflower tend to feel light.
- Olive oil is richer and has a stronger natural scent.
- Jojoba is stable and fairly long-lasting.
- Castor oil is thick and gives gloss, which is part of why it appears in tinted and glossy products, though it can feel sticky in large amounts.
- Coconut oil is solid at cooler room temperatures, so it adds a little firmness as well as softness.
Nut oils should be avoided for anyone with a nut allergy, and since lips are close to the mouth, you will inevitably swallow a little of any balm.
What butters do
Shea butter and cocoa butter are the usual choices. Shea gives a soft, rich glide; cocoa butter is harder and gives a slightly more solid feel, with its own chocolate-like scent. Mango butter is occasionally used too. Butters can become grainy if they are heated and then cooled slowly, so many makers cool the balm fairly quickly after pouring. Graininess is a texture problem, not a safety one.
Adjusting texture
Once you understand the three parts, adjustments are logical:
- Balm too hard or drags on the lips: reduce wax slightly or add a little more oil.
- Balm too soft, melts in a warm pocket: add more wax.
- Balm greasy: reduce oil or use a lighter one.
- Balm waxy and tacky: reduce wax or butter.
Make small test batches and write down what you changed. A simple product journal makes it far easier to repeat a balm you like.
Scent and flavor
Lips are in contact with the mouth, so go lightly. Many balms are left unscented. If you want flavor, use a cosmetic-grade flavor or a very small amount of a mild essential oil, such as peppermint, which should be kept to a tiny quantity because strong oils can sting or irritate the lips. Essential oil dilution matters even more here, so follow a reliable guideline and err on the low side. Some oils are not suitable in pregnancy or for children, and citrus oils can increase sun sensitivity, so skip them in a balm you will wear outdoors. Fragrance is also a common cause of lip irritation, so leave it out if you are prone to reactions.
Making it safely
- Start with clean containers and tools, sanitized with alcohol and fully dried. A droplet of water left behind can lead to mold.
- Melt the wax, butter and oil together gently, in a heatproof container over a pan of hot water rather than directly on a burner, since oils and waxes can overheat.
- Take care with hot liquid, and never leave melting wax unattended.
- Pour into small tubes or tins, and let it set without moving it.
- Label with the date and ingredients.
Homemade balm made with fresh oils typically keeps for months, but shelf life depends on the oils used and on storage. Keep it away from heat, and discard it if it smells like old crayons or paint, which suggests rancidity. Do not share a tin with other people, and avoid dipping fingers in it too often, since that introduces bacteria.
A few honest notes
A balm protects lips by holding in moisture; it does not heal them, and it is not a medical product. Some people find that lips feel dry again soon after wiping a balm off, which may be an ordinary effect of the weather or licking, and in a few cases may be a reaction to an ingredient. If lips are persistently cracked, swollen, or have sores at the corners, a doctor or pharmacist can check for causes such as allergy, deficiency or infection. Products with sun protection are a different category entirely, and a handmade balm should not be treated as sunscreen.