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Double Agent
Double Agent shaving soap on WhollyKaw's Siero base. Dual-character fragrance composition. Made in small batches in our New Jersey workshop.
Double Agent is a dual-character shaving soap on the Siero base, made in small batches in our New Jersey workshop. Available in Tallow and Vegan builds.
Quick facts
| Detail | What it is |
|---|---|
| Scent family | Dual-character |
| Base | Siero — tallow plus whole donkey milk + whole water buffalo milk + water buffalo milk whey |
| Weight | 4 oz / 114 g per puck |
| Lather | Dense, slick, builds in 30–45 seconds with a wet brush in cool water. |
| Where it’s made | Our New Jersey workshop. Small batches, single-vessel saponification. |
| Builds | Tallow ($29.99) / Vegan ($23.99) — same fragrance compound, different fat structures. |
What Double Agent smells like
Double Agent is built around the duality concept — two contrasting fragrance characters held in balance. Opens one way, dries down another, with the kind of tension that keeps the wearer (and people around them) guessing.
Just when you think you know the scent it evolves into something else. for the better. This is a blend that is caught between two warring factions but make peace with either side - a spicy woody fragrance to a fougère. A true Double Agent. It can be worn all year round The scent is aromatic fougère with notes of Geranium and Lavender with comforting base of Oakmoss and Tonka Bean. Complemented with a deeply woody base from Oud and Sandalwood.
The fragrance is built on Geranium and Lavender with comforting base of Oakmoss and Tonka Bean. The opening is brightest, the heart settles in around the twenty-minute mark, and the dry-down lasts for hours after the rinse.
Tallow or Vegan — which to pick
Double Agent is offered in two builds. They share the same fragrance compound (so the scent journey is identical) but the fat structure underneath is different.
Tallow ($29.99) is the original Siero formulation. The conditioning is denser; the lather has more body. If you’ve shaved with WhollyKaw Siero soaps before, this is the same direction.
Vegan ($23.99) swaps tallow for plant-derived fats (kokum, shea, cocoa, mango). Same fragrance compound, lighter lather body, brighter and cleaner under the razor.
Who Double Agent is not for
Honest limitations:
- Fragrance-sensitive skin. Double Agent has a real fragrance load. If our unscented Bare Naked Shaving Soap (Tallow build) or Sans Parfum Vegan Shaving Soap (Vegan build) is what your skin tolerates, this isn’t the soap to switch to.
- Strict dairy allergies. Tallow builds contain saponified dairy proteins. Most contact-dermatitis reactions to dairy are with raw milk, not saponified milk soap, but if you have severe sensitivities, test a sample before committing to a puck.
- Looking for a designer-fragrance clone. Double Agent is its own composition, not an interpretation of a popular fragrance.
- Pucks-as-decor shavers. The puck is meant to be used. The fragrance is most expressive in the lather; sniffing the puck doesn’t do it justice.
Cost per shave
A 4 oz / 114 g puck of Double Agent lasts most shavers ~5 months with daily shaves:
- Tallow ($29.99 / ~150 shaves) ≈ $0.20 per shave
- Vegan ($23.99 / ~150 shaves) ≈ $0.16 per shave
For comparison, a single-use disposable cartridge plus a foam can typically runs $0.40–$0.60 per shave with worse skin feel.
What's in the soap
Tallow build:
Potassium Stearate, Sodium Stearate, Aqua, Donkey Milk, Water Buffalo Milk, Water Buffalo Milk Whey, Glycerin, Potassium Tallowate, Sodium Tallowate, Potassium Ricinoleate, Sodium Ricinoleate, Potassium Shea Butterate, Sodium Shea Butterate, Garcinia Indica (Kokum) Butter, Theobroma Cacao (Cocoa) Butter, Hydrolyzed Linseed, Linoleic Acid, Linolenic Acid, Humulus Lupulus (Hops) Extract, Lanolin, Fragrance, Phenoxyethanol, Caprylyl Glycol, Sorbic Acid.
Vegan build:
Potassium Stearate, Sodium Stearate, Aqua, Glycerin, Potassium Ricinoleate, Sodium Ricinoleate, Potassium Mango Stearate, Sodium Mango Stearate, Potassium Shea Butterate, Sodium Shea Butterate, Garcinia Indica (Kokum) Butter, Theobroma Cacao (Cocoa) Butter, Hydrolyzed Sodium Hyaluronate, Sodium Hyaluronate, Polyquaternium-10, Linoleic Acid, Linolenic Acid, Humulus Lupulus (Hops) Extract, Soybean Glycerides, Shea Butter Unsaponifiables, Phenoxyethanol, Ethylhexylglycerin, Fragrance.
Contains no parabens, no chemical sulfates, and no synthetic dyes. Fragrance is a custom compound mixed by an American perfumer to our spec.
If you like the scent profile of Double Agent, also try
Cross-references from our shaving-soap catalog by shared notes:
- Eroe — shares the lavender note
- Man from Mayfair — shares the lavender note
- Fougère Bouquet — shares the lavender note
- 1776 — shares the tonka bean note
- Belgravia — shares the oakmoss note
What customers say
★★★★★
Love Double Agent
If you like Fougere scented-soaps, you will love Double Agent. This soap pairs well with Nishane B-612.
★★★★★
Double Agent For The Win
Great smelling soap that’s perfect for the cooler months. I had to load heavy but was left with a thick, slick lather with an excellent post shave feel. The scent is outstanding and one of their stronger on 1-10 scale…I would say 6-7
Frequently asked questions
How long does a puck of Double Agent last?
Most shavers get 5 to 6 months out of a 4-ounce puck with daily shaving. The Siero base lathers efficiently — you don't need to load heavily — so a puck stretches further than a typical mass-market soap.
What does Double Agent smell like?
See the scent walkthrough on the page above for the structured top/heart/base note breakdown. Double Agent is a dual-character composition that develops over a 3-4 hour wear time on skin.
Why is it called Double Agent?
Double Agent is built around the duality concept — two contrasting fragrance characters held in balance. Opens one way, dries down another, with the kind of tension that keeps the wearer (and people around them) guessing.
Tallow or Vegan — which build to pick?
Tallow build is the original — beef tallow plus whole donkey milk on the Siero base, denser conditioning lather. Vegan build swaps tallow for plant-derived fats (kokum, shea, cocoa, mango), lighter lather body, same fragrance compound. Pick on dietary preference; both share the scent journey.
Do I need a brush, or can I lather with my hands?
Double Agent is a hard puck designed for brush use. A synthetic or boar brush builds the best lather. Hand-lathering works in a pinch but won't get the dense, conditioning lather the soap is designed for.
Is Double Agent a moisturizing shaving soap?
In the way most shavers use the word — yes. People search for "moisturizing shaving soap" looking for a soap that leaves skin feeling conditioned, hydrated, and protected. The technical term we use is "conditioning" because the soap is rinsed off, but the experience matches what people mean. Double Agent on our Siero base delivers exactly that conditioned skin feel. For an actual leave-on moisturizer, pair with our grass-fed tallow zinc oxide cream.
Can I use Double Agent in cold water?
Yes — Siero soaps lather well in cool water with a 30-45 second build. Hot water gives a slightly faster build but isn't necessary.
Where is Double Agent made?
In our New Jersey workshop. Saponification, scenting, pressing, and packaging all happen in house. The fragrance compound is mixed by an American perfumer.