Description
MAVI STEP Mineralis is an atelier-grade, 100% natural dry mineral stain extractor engineered to safely draw out stubborn grease, culinary oils, and sebum from premium leathers without compromising their structural integrity, dye fastness, or natural patina. Sourced from high-purity European sepiolite clay milled into an ultra-fine micronized powder, Mineralis utilizes physical capillary adsorption. It behaves like an organic molecular sponge, pulling liquid lipids out from the deepest pores and fibrous nap of delicate hides without requiring water, aggressive chemical solvents, or synthetic surfactants.
The Conservation Standard for Water-Free Leather Restoration
Treating accidental grease or oil spills on full-grain vegetable-tanned leathers, untreated aniline calfskin, or fine reverse-calf suede with conventional liquid detergents is notoriously unpredictable: liquids penetrate unevenly, dissolve protective tanning oils, and leave permanent drying rings (the dreaded auréoles). MAVI STEP Mineralis provides an entirely waterless physical extraction method:
- Guaranteed Zero Watermark Rings or Halos: Because no liquid solvent or carrier is introduced, the mineral absorbs lipids strictly within the zone of contact, drying flawlessly without dark boundaries or chalky rings.
- Preserves Artisanal Patinas & Tannery Dyes: Completely non-abrasive and pH-neutral. It will not strip hand-burnished patinas, natural waxes, or delicate aniline finishes created by traditional European tanneries.
- Protects Suede Nap Texture: Does not harden, mat, or stiffen delicate suede, velour, or nubuck fibers. Once brushed clean, the surface regains its original supple drape and velvety touch.
- Strict EU Ecological Compliance: 100% natural mineral formulation, completely free of volatile organic compounds (0% VOC), chlorine, and petrochemical propellants. Fully non-toxic and odorless—ideal for both professional ateliers and private wardrobe care.
Versatile Applications in Bespoke Craft & Everyday Luxury:
- Footwear: Goodyear welted dress oxfords, suede loafers, Chelsea boots, hand-stitched moccasins, and designer leather sneakers;
- Luxury Leather Goods: Briefcases, weekenders, vegetable-tanned wallets, and natural untreated trims (including vachetta leather handles and piping);
- Apparel & Outerwear: Suede bomber jackets, shearling garments, nappa leather coats, and fine unlined driving gloves;
- Equestrian & Interior: Fine saddlery, unsealed natural wood, porous marble surfaces, aniline furniture upholstery, and Alcantara automotive steering wheels.
Effective Against Difficult Contaminants:
Olive and vegetable oils, butter, dairy sauces, street food splatters, cosmetic face creams, collar and cuff sebum grease, excessive shoe waxes, and technical machine oils.
Atelier Application Protocol:
- Surface Blotting: If the spill is fresh, immediately press a clean, dry cloth or absorbent paper gently against the area to remove excess surface liquid. Do not rub or drag across the leather grain.
- Mound Application: Generously sprinkle MAVI STEP Mineralis over the stain to form a 2 to 4 mm layer that slightly overlaps the perimeter of the oil spot.
- Uninterrupted Dwell Period: Allow the mineral powder to extract the trapped lipids undisturbed:
- Fresh or superficial marks: 1 to 2 hours.
- Deep, set-in, or older stains: 6 to 12 hours (ideally overnight).
- Brushing Away: Gently sweep away the darkened, oil-saturated powder using a soft natural horsehair brush (for smooth leather) or a natural crepe/brass brush (for suede and nubuck). For deeply embedded stains, gently warm the area with a hair dryer on low heat prior to a second application to liquefy set fats.









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