Read the species, the ingredient list, the claims and the batch code. A grooming product for a cat must be safe to lick; one for any animal should avoid alcohol and essential oils, state its pH, name its preservatives, and make only cosmetic claims.
1. Which animal it is for
"For pets" is not a species. Cats metabolise some substances differently from dogs and groom themselves far more, so a product for cats must meet a higher standard than one for dogs. If the label does not say cats, assume it was not made for them.
2. The full ingredient list
A responsible maker prints every ingredient in descending order of quantity, using standard international names. A label that lists only "key botanicals" or "a proprietary blend" is hiding the rest. Water is usually first; what follows tells you the real story.
3. Alcohol
Look for ethanol, alcohol denat., isopropyl alcohol and benzyl alcohol. Alcohol dries skin and coat and is not something to be licked. It is common in pet "perfumes" because it is how human perfume is made. Why the Maison leaves it out.
4. Essential oils
Tea tree, citrus, lavender, eucalyptus, peppermint, pine, cinnamon, clove and ylang-ylang are all plant essential oils, and many appear on animal poison-control lists for cats and dogs. "Natural" is not the same as safe. A scent built from aroma molecules can be gentler than one built from oils.
5. Cleansers
Sulfates such as sodium lauryl sulfate and sodium laureth sulfate make a big foam and strip oil efficiently, often too efficiently for an animal's skin. Glucosides (decyl glucoside, coco-glucoside) and amino-acid cleansers (such as sodium cocoyl glutamate) are milder and rinse out faster.
6. pH
A dog's or cat's skin sits nearer neutral than ours, so a product formulated for human skin can be too acidic. A good label states the pH or says "pH balanced for dogs and cats". If it says nothing, ask.
7. Preservatives
Any water-based product needs a preservative, and a label with none listed is either not telling you or not safe. Methylisothiazolinone (MIT), formaldehyde releasers (DMDM hydantoin, imidazolidinyl urea) and parabens are the ones many owners choose to avoid. Food-grade systems such as potassium sorbate, proven by a challenge test, are the gentler route.
8. Fragrance level
The ingredient list puts "parfum" or "fragrance" where its quantity falls. The further down it sits, the lighter the scent. For an animal whose nose is many times more sensitive than ours, lower is kinder.
9. The claims
A cosmetic grooming product may say it cleanses, conditions, softens, detangles, freshens or scents. It may not say it treats, prevents, cures, heals, kills fleas, is antibacterial, or is good for a skin condition, because those are medicinal claims and need a licence. A label that makes them without one is telling you something about the maker.
10. Who made it, and where
The name and address of the company responsible, the country of origin and a batch or lot code should all be present. The batch code is what lets a maker trace and recall a product. No batch code, no traceability.
11. Dyes and the rest
Colourants (listed as CI followed by a number) do nothing for the animal. Phenols, salicylates, permethrin and pyrethrins have no place in a cosmetic product for cats. Aloe and chamomile extracts are gentle on people but are listed as toxic to pets by the ASPCA, so a cautious maker leaves them out.
The Maison's leave-out list
Every Royal & Paw ritual is made without: essential oils of any kind; ethanol, isopropanol and benzyl alcohol; propylene glycol; sulfates; parabens, MIT and formaldehyde releasers; dyes; phenols, salicylates, permethrin and pyrethrins; aloe and chamomile extracts; and gold in the formula. Each ritual states its pH, names its preservatives and makes cosmetic claims only. The full ingredient list for each is published before the first bottle is sold.
And one thing no label can do
No grooming product replaces your veterinary surgeon. Itching, flaking, odour, hair loss and sore skin all have causes a shampoo cannot address. Read the label, then, if anything is wrong, ask your vet.
Sources: the Maison's formulation leave-out list; ASPCA Animal Poison Control Center guidance on plants and essential oils toxic to pets; UK Veterinary Medicines Directorate guidance on claims for animal grooming products. This article is educational and is not veterinary advice.