Wahl 4-in-1 Calming Shampoo
Top PickWhat We Like
- Concentrated lather needs very little per bath
- Rinses clean without a slippery residue
- Light lavender scent that doesn't overwhelm
Worth Noting
- Can leave sensitive dogs itchy
- Size
- 64 fl oz
- Scent
- Lavender chamomile
- Free From
- Sulfates and parabens
- Coat Types
- Short to long coats
Read the full review
A half gallon of dog shampoo looks like a mistake until you start using it. Wahl builds this one on a concentrated coconut-derived cleanser, and in the tub it goes much further than the thin supermarket bottles — a small squeeze works into a thick lather that covers a whole dog. That's what turns 64 ounces from excessive into sensible for anyone with more than one dog in the house.
The concentration is why this is our top pick. Cleaning a dirty coat is the easy part; what separates shampoos is what they leave behind. This one leaves the coat soft and easy to run a brush through, and it rinses out without the slippery film that keeps you hosing a dog down long after the suds have gone, which is the most underrated quality a shampoo can have. The lavender and chamomile scent stays light, and we prefer that to a perfumed blast that hangs around for days.
The formula is pH balanced and free of sulfates and parabens. That matters more for a dog bathed every couple of weeks than for one that gets a bath twice a year, and it's why we're comfortable making this the bottle that lives by the tub. On a wound-up dog the lavender doesn't sedate anything, but a calmer bath is a shorter bath for both of you.
What it isn't is a treatment. If your dog has red, greasy, yeasty or broken skin, no amount of the right-smelling stuff will fix it — go to a medicated formula and keep this one for the healthy dog.
Bottom line: We reach for this first for routine baths: a concentrated, pH-balanced formula that leaves coats soft, rinses clean, and suits a whole household of dogs.