Find the moisture source first
Odor often lingers because the lining has not had enough time to dry between wears. Feel the toe and footbed, not only the opening, and let the slippers rest if any area remains damp.
A spill, wet floor, or heavy daily use may call for more drying time than the surface suggests.
Air the slippers between wears
Place them in a dry, shaded area with the openings exposed to moving air. Do not hide damp slippers in a closet, sealed box, or plastic bag.
Alternating pairs or simply allowing a full rest period can help the lining dry more completely before the next wear.
Remove debris before adding any product
Tap out loose material and use a soft brush or very low-suction upholstery tool where it can be controlled. Debris held in the wool can retain moisture and odor.
Avoid aggressive vacuuming, which can pull fibers, and do not shake powders into the lining unless the care label or product maker permits it.
Use only care-label-approved refresh products
If a deodorizing product is used, confirm that it is intended for sheepskin footwear and follow its directions. Test first where a color or texture change would be less visible.
Perfume-heavy sprays can mask odor while adding moisture or residue. The goal is a dry, clean lining, not a stronger fragrance.
Escalate persistent odor carefully
If odor remains after thorough drying and gentle cleaning, the source may be deeper in the footbed or construction. Repeatedly wetting the lining is unlikely to solve that safely.
A cleaner experienced with sheepskin footwear can advise whether deeper treatment is appropriate.