
RUNESILK shaving guide · Ingredients
What Is in an Aftershave Balm? Parabens, Preservatives and Allergens, Honestly Explained
Turn over almost any aftershave balm and you will find a block of Latin and chemistry in small print. That list is the most useful thing on the pack, but it is rarely explained.
So here it is, explained. We will cover how to read an ingredients list, what parabens are and what replaces them, why words like Limonene and Linalool appear on the label, and what every ingredient in our own Elements Aftershave Balm actually does.
Most aftershave balms are built from water, oils and emollients for softness, emulsifiers to hold water and oil together, a humectant such as glycerin, a preservative to keep it safe once opened, and fragrance. "Paraben-free" means a different preservative has been used. Fragrance allergens such as Limonene and Linalool are listed by law so people who react to them can avoid them.
How to Read an Ingredients List
UK cosmetics list ingredients using a shared international system called INCI. Three rules make it much easier to read:
- Order matters. Ingredients above 1% are listed from highest to lowest concentration. Below 1%, they can appear in any order.
- Plants use botanical names. Grapeseed oil appears as Vitis Vinifera Seed Oil, lemon as Citrus Limon Peel Oil.
- Water comes first in most balms. Listed as Aqua, it is the base that makes a balm light rather than greasy.
The first five or six names tell you most of what a product is. The rest are the supporting cast: preservatives, antioxidants and fragrance, usually at small levels.
Parabens, Explained
Parabens are a family of preservatives that have been used in cosmetics, foods and medicines for decades. They are effective at low levels, which is why they became so common.
They are also tightly regulated. In the UK, some types of paraben are not allowed in cosmetics at all, and the others are permitted only within strict limits set after safety reviews.
We chose not to use parabens in our balm. That is a deliberate formulation choice, not a claim that permitted parabens are unsafe. A "paraben-free" label only tells you what is missing, so the honest question is always: what has been used instead?
Why Every Balm Needs a Preservative
Any product made with water can grow bacteria, yeast and mould once it has been opened and touched with fingers. A preservative is not an optional extra; it is what keeps the product safe to use until the end of the jar.
Our balm uses Phenoxyethanol together with Ethylhexylglycerin. Phenoxyethanol is one of the most widely used preservatives in skincare and is permitted at up to 1% in UK cosmetics. Ethylhexylglycerin helps it work more effectively, so less is needed, and also has skin-conditioning properties.
Fragrance and Essential Oil Allergens
Fragrance is the most common reason a cosmetic and sensitive skin do not get on, and essential oils are no exception. They are natural, but they are made of the same kinds of fragrance compounds as any perfume.
UK rules list a set of fragrance compounds that some people are known to react to. When any of them is present above 0.001% in a leave-on product such as a balm, it must be named individually on the label. In our balm, four appear:
| Allergen | Where it comes from in our balm | Scent character |
|---|---|---|
| Limonene | Lemon and bergamot oils | Fresh, bright citrus |
| Linalool | Ho leaf and bergamot oils | Soft, floral and woody |
| Citral | Lemon oil | Sharp, lemony |
| Geraniol | Essential oils in the blend | Rosy, slightly sweet |
Seeing these on a label does not mean you will react. Most people use them every day without any problem. It means that if you already know you are sensitive to one of them, you can spot it and choose something else. If you are unsure, patch test on the inside of your forearm for 48 hours before using a new product on your face.
Some cold-pressed citrus oils can make skin more sensitive to sunlight at higher levels, which is why their use in leave-on products is limited. Every cosmetic sold in the UK must pass a formal safety assessment before it goes on sale, including ours. As with any skincare, protect exposed skin from strong sun.
The Essential Oils in Our Balm
Elements Aftershave Balm is scented Citrus & Wood, from our Elements: Metal collection. These are the oils behind it.
Lemon
Citrus Limon Peel Oil. Bright, clean and sharp. The first thing you notice when you open the jar.
Bergamot
Citrus Aurantium Bergamia Fruit Oil. A softer, slightly floral citrus that rounds off the lemon.
Ho Leaf
Cinnamomum Camphora Leaf Oil. A gentle, woody and faintly floral oil that bridges the citrus and the base notes.
Frankincense
Boswellia Carterii Oil. Warm, resinous and slightly spicy, and long treasured in skincare.
Patchouli
Pogostemon Cablin Leaf Oil. Earthy and deep, it anchors the blend and gives it staying power.
Every Ingredient in Elements Aftershave Balm
Here is our full ingredients list, in label order, with what each one does.
| INCI name | Common name | What it does |
|---|---|---|
| Aqua | Water | The light base of the lotion |
| Caprylic/Capric Triglyceride | Coconut-derived emollient | Silky, fast-absorbing softness without greasiness |
| Vitis Vinifera Seed Oil | Grapeseed oil | A light oil that leaves skin feeling soft and conditioned |
| Parfum | Fragrance | Part of the Citrus & Wood scent |
| Glyceryl Stearate SE | Emulsifier | Holds the water and oils together in a smooth lotion |
| Glycerin | Glycerin | A humectant that helps skin hold on to moisture |
| Glyceryl Stearate | Emulsifier | Supports texture and stability |
| Stearic Acid | Fatty acid | Thickens the lotion and gives it body |
| Cetyl Alcohol | Fatty alcohol | Creamy texture and softness; not a drying alcohol |
| Ethylhexylglycerin | Preservative booster | Helps the preservative work; skin conditioning |
| Sodium Bicarbonate | Bicarbonate of soda | Adjusts the pH of the formula |
| Tocopheryl Acetate | Vitamin E | Antioxidant that helps protect the oils in the formula |
| Citrus Limon Peel Oil | Lemon oil | Scent |
| Boswellia Carterii Oil | Frankincense oil | Scent |
| Phenoxyethanol | Preservative | Keeps the balm safe once opened; paraben-free |
| Pogostemon Cablin Leaf Oil | Patchouli oil | Scent |
| Citrus Aurantium Bergamia Fruit Oil | Bergamot oil | Scent |
| Cinnamomum Camphora Leaf Oil | Ho leaf oil | Scent |
| Citral, Geraniol, Limonene, Linalool | Fragrance allergens | Naturally present in the essential oils; listed by law |
What you will not find: drying alcohol, parabens, or mineral oil. If you want to compare it against other balms, our guide to the best aftershave balm for sensitive skin has a label checklist you can use on any product, ours included.
Commended for Excellence 2025 & 2026
RUNESILK Elements Aftershave Balm, Citrus & Wood
Every ingredient above, in a light, alcohol-free and paraben-free lotion balm for all skin types, including sensitive skin. It soothes freshly shaved skin and absorbs quickly with no greasy finish.
120ml for £19.99, or try the 5ml sample for £1.95 first.
Frequently Asked Questions
What does paraben-free mean?
It means the product does not contain any preservatives from the paraben family. It will still contain a preservative, so check the label to see which one has been used.
Are essential oils safe for sensitive skin?
Many people with sensitive skin use them without any issue, but essential oils contain natural fragrance compounds that some people react to. If you know you are fragrance-sensitive, choose an unscented product, and always patch test something new.
Why is Limonene on the label if the product is natural?
Limonene occurs naturally in citrus oils. UK rules require it, and several other fragrance compounds, to be named on the label above a set level, whether they come from a natural oil or a synthetic fragrance.
Is Cetyl Alcohol bad for your skin?
No. Despite the name, it is a waxy fatty alcohol, not a drying alcohol. It helps creams and lotions feel smooth and soft.
Is Phenoxyethanol safe?
It is one of the most widely used cosmetic preservatives and is permitted in UK cosmetics at up to 1%. As with any ingredient, a small number of people may find it does not suit them.
Continue Reading the Shaving Guides
RUNESILK is an independent UK beard-care brand based in Little Paxton, Cambridgeshire. This article provides general cosmetic grooming information and is not medical advice.