You smell it the moment it lathers up - and sometimes, it lingers longer than you’d like.
The scent in soap is added after the fact for one simple reason: to create the illusion of clean. We’ve been sold that lie for as long as corporations have been profiting off of cheap, mass-produced bars of synthetic detergents loaded with artificial fragrance.
So, how do you make soap smell good without synthetic fragrance? You let the natural ingredients do the talking. The warmth of manuka honey. The natural earthiness of coconut oil. Or in some cases, by including ethically sourced essential oils.
But the point is, you never have to settle for synthetic fragrance that leaves you smelling like a science experiment - and worse, leaves your skin to cope with the damage. The best goat milk soap doesn’t try to be a cleanser and a cologne. It does what soaps were always meant to do.
What is Used For Scent in Traditional Soap?
There are two things you’ll see brands use in the soap scenting step: fragrance oil or essential oil. They’re not interchangeable. One is made in a lab; the other comes from Mother Earth.
Fragrance oils are synthetic blends scientists develop to replicate a specific scent - rose, lavender, vanilla, whatever the market is asking for. They’re used because they’re consistent, shelf-stable, cheap, and strong.
On the other hand, essential oils come from plants. They’re either steam-distilled or cold-pressed from real botanical material. They smell subtler, and they’re obviously a bit more work to extract. That’s why natural soaps scented with essential oils tend to cost more.
The difference between fragrance oil vs essential oil in soap shows up in price, scent subtlety, and the consequences on your skin. Our stance is that fragrance oil has no place in your skincare regimen.
The Problem With Synthetic Fragrances
So, why is fragrance bad in skincare when it comes from a lab rather than nature? There’s a reason the American Contact Dermatitis Society named fragrance its “Contact Allergen of the Year” in 2007.1 Actually, 100 reasons. That’s how many chemicals in the fragrance materials database are confirmed allergens.
But the bigger issue is transparency - or perhaps, lack thereof. The FDA lets brands list “fragrance” or “parfum” rather than actually disclosing what’s in the product, no matter how many individual compounds that word covers.2 A company can hide dozens of synthetic chemicals under the guise of fragrance. The reason? A brand’s scent qualifies as a trade secret under federal law.
The good news is consumers are getting smarter. You’re here because you know there’s some connection between the way a soap is scented and the implications it has on your skin. It’s not hard to tell if skincare has fragrance. Just look for the word “parfum.”
How Do You Make Soap Smell Good, Then? Natural Soap Scenting Alternatives That Actually Work
We’re not telling you that you have to choose between gentle, effective cleansing and smelling good. You can have your cake and eat it too. But how do you make soap smell good, then? Simple. You let the ingredients in the soap do the heavy lifting.
Natural scenting soap begins with the base ingredients themselves. Goat milk has this faint creaminess to it. Olive oil brings a subtle earthiness that gets deeper the longer a bar cures. Shea butter rounds out the profile with warmth.
But be clear, none of these ingredients are chosen for scent. They’re handpicked because of what they do for your skin - cleanse, nourish, hydrate, and restore. They just happen to come together and create a wonderfully natural aroma as a result.
A lot of brands will use essential oils as well. This is certainly better for your skin in the sense that it comes from Mother Earth, but extraction and handling matter. Not all essential oils are made equal.
There was a study done back in 2022 that found 8.3% of patients reacted negatively to at least one essential oil (ylang ylang and lemongrass were the worst offenders).3 In other words, natural does not always mean gentle or safe.
Soapmakers try to avoid using essential oils for scent because they’re unpredictable, too. Lye can degrade them. Flash points aren’t uniform. Some scents simply don’t survive the process.
Botanical infusions are a quieter approach to scenting soaps - steeping calendula or chamomile into oils before saponification doesn’t introduce volatile compounds, yet, it transforms the color and fragrance of a bar.
How Brands Actually Go About Scenting Soaps
We want to quickly take you through the process of scenting soaps naturally. It depends on whether you’re creating cold-process soap vs hot-process soap.
Soap-scenting happens at trace in the cold process - as soon as the lye-fat mixture gets thick enough to hold onto additives. Everything added here must survive saponification, which is where things get tricky. Like we said a moment ago, lye can degrade a lot of aromatic compounds on contact. Vanilla turns the bar brown; citrus notes flash off within weeks.
Hot process is more forgiving, which is part of why most brands implement it. But it comes at the cost of purity and concentration. Heat speeds everything up but evaporates a lot of the good stuff your skin needs. Scent goes in after the saponification step, though, so more of that makes it through to the final product.
Mass market bars take a very different route. Industrial soap is milled. The base gets dried and shredded before it is blended with fragrance. Then, everything gets pressed together into a shape. The scent never has to survive anything, which is why most soap from big brands smells so strong.
Soap That Smells Good Without Compromising on Wellness
Let’s bring it all together. How do you make soap smell good without synthetic fragrance? You choose ingredients for skin first, and let the scent follow. That’s our approach at Oshun, at least.
What started as a search for soap for eczema led our founder to his life’s work: creating a creamy bar of soap that’s unlike anything else out there today. It’s the antithesis of mass-market soap. We handpicked only the best ingredients Mother Earth has to offer, cold-pressed them, and left the bar to cure for 8 weeks.
Nubian goat milk gets slow-poured with Manuka honey, first cold-pressed olive oil, shea butter, coconut oil, kaolin clay, pearl powder, citric acid, white willow bark, and more. All traceable, all ethical. The bar has a natural, earthy aroma that speaks to where it came from. No fragrance added, because there’s nothing to mask.
Our opinion is that scent tells you how to feel. But ritual is more powerful when you dictate the meaning. Decide what that meaning is with Oshun’s goat milk soap today.
Frequently asked questions
What gives soap a nice smell without fragrance oil?
It’s the base ingredients in Oshun’s case. Goat milk, honey, olive oil, shea butter, etc. Each has its own subtle aroma, and they come together to create this incredible natural symphony within the nose. People don’t choose our bar because it smells amazing. They add Oshun to their ritual because they know their skin deserves better. The natural aroma is a byproduct of our soap-making philosophy.
Do soaps lose their scent over time?
It depends on how the soap is scented. Synthetic fragrance oils were specifically designed to last forever without fading. Essential oils are more volatile, though.
Does Oshun smell strong?
No. It’s subtle. You get faint whiffs of creaminess from the goat milk, warm notes from the honey, and hints of the other ingredients. But nobody is going to brush past you and smell your soap the way they would if you relied on mainstream bars loaded with synthetic fragrances. That’s intentional.
Sources
- Storrs FJ. "Fragrance." Dermatitis. 2007;18(1):3-7. https://pubmed.ncbi.nlm.nih.gov/17303039/
- U.S. Food and Drug Administration. "Fragrances in Cosmetics." https://www.fda.gov/cosmetics/cosmetic-ingredients/fragrances-cosmetics
- Geier J, et al. "Contact sensitization to essential oils: IVDK data of the years 2010-2019." Contact Dermatitis. 2022;87(1):71-80. https://doi.org/10.1111/cod.14126