Cassiel Pet anti-tick and flea shampoo review

At around ₱189 as of August 12, 2026. Before anything else about this product, two facts decide how it should be used.

The ingredient class that kills cats

Permethrin and related pyrethroids are common in flea products made for dogs, and they are severely toxic to cats. Cats lack the liver pathway that lets a dog break the compound down, so exposure causes tremors, seizures and frequently death.

This matters for shampoos sold as pet shampoos rather than dog shampoos, and for households with both animals, where a freshly bathed dog and a cat that grooms it is a real route of exposure.

The rule is simple and not negotiable: never use a flea product on a cat unless the label explicitly says it is safe for cats. This listing does not publish its ingredients, so that is a question for the shop before the bottle is opened, not after.

If a cat has been exposed and starts twitching or fitting, that is an emergency vet visit, immediately.

A bath is not flea control

The second fact is why flea shampoos disappoint people.

A flea bath kills the fleas on the animal at that moment. The overwhelming majority of a flea population is not on the animal at all: it is in the house, as eggs that have dropped off, larvae in carpet and bedding, and pupae that can sit dormant for weeks waiting for vibration and warmth.

So a bath resets the count and the house refills it within days. Actual control needs three things together: a vet-prescribed preventive on the animal year-round, which in the Philippines means year-round rather than seasonal, washing the bedding hot, and vacuuming thoroughly, including under furniture, because vacuuming is what triggers dormant pupae to hatch where the treatment can reach them.

A shampoo is a way of making a miserable animal comfortable tonight. It is not the plan.

Contact time is the part people skip

Insecticidal and medicated shampoos work through contact rather than instantly. Lather, leave it on for several minutes, then rinse thoroughly.

Rinsing matters especially with cats and with dogs that lick, because whatever stays in the coat gets swallowed during grooming.

What the listing gives you

A 4.9 rating from 2,697 Shopee ratings, a price, and no ingredient list, no volume and no species guidance. In a category where the active ingredient decides whether the product is safe for your animal, that is the gap worth closing with a message.

Who this shampoo suits

Buy this if you have a dog, you have confirmed what is in it, and you are using it alongside a real preventive rather than instead of one.

Skip it for a cat until the shop confirms the formulation.

Related products

For the brand’s plainer wash without the insecticide question, see the Cassiel essential shampoo and conditioner. For a cat, a shampoo sold specifically for cats is the safer starting point: the Vet Remedy cat shampoo 250ml is the cheapest here.