Speed matters with a sticky cat, but the order matters more. The patch in her fur looks like the problem, yet the danger is her tongue: a cat will worry at anything in her coat, and whatever she licks off goes into her stomach. Protect her from swallowing first, identify what you are dealing with second, and only then start cleaning.
First: Prevent Licking
Fit a cone if you have one, sized so she cannot reach the patch, and keep it on throughout the cleaning and until the fur is dry and residue-free afterwards. If no cone is available, wrap her loosely in a towel with the affected area exposed, or have a second person hold her gently and keep her head turned away from the spot. Do not leave her alone “for a minute” with access to the patch; a minute of determined licking can move a surprising amount of a substance from coat to stomach. Watch what she has already done before you found her. If she has been grooming the area for a while, or is drooling, retching, unusually quiet, or off her food, that history changes the job entirely — phone your vet before cleaning, describe the substance if you know it, and follow their direction.
Identify the Substance Before You Touch It
What the substance is decides what is safe to do. Tree sap and similar plant resins are messy but familiar territory. Water-based paint, the kind used on household walls, is also a known quantity. Oil-based paint, glue, tar, cleaning products, or anything you cannot identify are not home projects until a vet says otherwise, because the removal method and the ingestion risk both depend on the chemistry. Check any tin or container she may have brushed against, read its label, and keep it to hand so you can describe it accurately if you need to call. If the label carries hazard warnings, or the substance smells strongly of solvents, stop: no home attempt, cone on, vet first.
Safe Removal, Substance by Substance
For sap, work a little plain food oil — the ordinary cooking kind — into the sticky patch with your fingers, a small amount at a time, until the resin softens and begins to lift from the hairs. Then wash the oil out with lukewarm water and a mild cat-appropriate shampoo, rinse thoroughly, and repeat the wash if the coat still feels slick. For water-based paint, go straight to lukewarm water and the same gentle shampoo, working the softened paint out with fingers or a comb while the coat is wet. Work on a small area at a time and keep her warm and calm between stages. If a patch is matted hard against the skin or resists gentle work, clipping it out is the sensible fallback: slide a comb flat against the skin as a guard and clip above it, never pulling the mat upward and never using scissors close to skin that folds and moves. A bald patch grows back; a nick or a chemical burn may not heal so simply.
What Never Goes on Fur
Never use turpentine, paint thinner, white spirit, nail polish remover, or any solvent on a cat's coat, however effective it looks on a workbench. Solvents damage skin, and a cat will lick at the treated area, adding ingestion to injury. The same applies to strong detergents, bleach-based cleaners, and scented products not made for cats. If gentle oil, water and shampoo do not shift a substance, that is information, not failure: the remaining options belong to a clinic. In KinsLe, roles for this messy job can be split between two people, and Care Teams shows who is watching her tongue while the other pair of hands does the washing.