Fe₃O₄ · Shungite · Volcanic Sulfur
A magnetic mineral soap bar crafted with magnetite, 2-billion-year-old shungite, and volcanic sulfur. The only soap that responds to a magnet.
3
Minerals
100%
Artisanal
2B
Years of Shungite
The Formula
Every ingredient in CINDER was chosen for a specific, demonstrable function — not for marketing. Each mineral has been used by humans for centuries. We simply combined them for the first time.

Fe₃O₄
Origin
Morocco
Age
~3.8 Billion Years
The most magnetic naturally occurring mineral on Earth. Adsorbs heavy metals and inorganic contaminants from the skin's surface. The ingredient that makes CINDER unique.
C
Origin
Karelia, Russia
Age
~2 Billion Years
An ancient carbon mineral containing fullerenes — hollow carbon molecules with exceptional antioxidant properties. Adsorbs organic contaminants and bacteria.
S
Origin
Volcanic Origin
Age
Geothermal
Used in dermatology for over a century. Regulates sebum production, combats acne-causing bacteria, and refines pore appearance. Ideal for oily and combination skin.

The Magnetic Effect
Magnetite particles in the lather respond to an external magnet — a visible demonstration of the mineral content.
The Ritual
Wet your hands
Use warm water to open pores and prepare the skin for a deeper mineral cleanse.
Lather the bar
Work CINDER into a rich, dark lather. The magnetite and shungite activate on contact with water.
Cleanse deeply
Massage in circular motions for 30–60 seconds. Feel the gentle exfoliation of mineral particles.
The magnetic moment
Optional: bring a magnet near the lather and watch the iron particles respond. Science you can see.
Rinse thoroughly
Rinse with cool water to close pores. Your skin is left clean, balanced, and mineral-nourished.
Scent Variants
Product photo
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CINDER ORIGINAL
Earthy mineral
Vetiver
Cedarwood
The Mineral
The purest expression of CINDER. Earthy, grounding, and unmistakably mineral. For those who let the ingredients speak.
Essential Oils
Cedarwood + Vetiver + Patchouli
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Choose Your Set
Scent
⬡
Artisan Made
◈
No Synthetics
◉
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Reviews
4.9
128 reviews
"I was skeptical about the magnetic claim. Then I held a magnet to the lather and watched it move. That alone was worth the price. The skin feel after is exceptional."
Marcus T.
Verified Buyer
"I have oily skin and have tried everything. The volcanic sulfur in CINDER is the first thing that has actually regulated my sebum without drying me out. Remarkable formulation."
Alejandro R.
Verified Buyer
"The Forest scent is incredible — pine and eucalyptus over that earthy mineral base. My morning shower is now something I look forward to. Packaging is also stunning."
Daniel K.
Verified Buyer
"Bought the Trio as a gift for my husband. He's now on his third order. I ended up using the Original myself and my skin has never felt cleaner. The shungite is real."
Sofia M.
Verified Buyer