DIY: The Soap Of Royalty Dog Shampoo

Is it time to shampoo the dog?  Kirby gets a bath every week with dirty paws or muzzle washed in the kitchen sink when needed. Most commercial dog shampoos have dangerous chemicals I don’t care to have his skin absorb: Sodium Laureth Sulfate, Sodium Lauryl ether Sulfate,  Synthetic Fragrances, BHA (butylated hydroxyanisole), Diaminobenzene, Methylisothiazolinone, Dioxins, Artificial colors, Benzalkonium, Chloride, Benzethonium Chloride, Diethanolamine, Methicone, Triethanolamine, Propylene Glycol, Petrolatum, Mineral Oil, and Sodium Hydroxide. 

DIY Castile Dog Shampoo

If you look you can find natural dog shampoos. I like Tropiclean and Only Natural Pet Herbal Defense but they can be expensive. I've been using Kirk’s Original Coco Castile Soap which has been around since 1839 to make Kirby’s shampoo, dish soap, dishwasher detergent, soap dispenser refill, body wash, and a veggie wash. The ingredients are coconut soap, water, vegetable glycerin, coconut oil, and natural fragrance.  There’s also an unscented version.   This soap is made from 100% plant oils and is hypoallergenic and biodegradable with no harsh or dangerous chemicals, no animal by-product, no synthetic detergents, and never tested on animals. 

Castile Dog Shampoo Ingredients

"Castile" originally referred to the highly-prized vegetable based soap produced in Castile, Spain. For centuries this soap was considered "the soap of royalty" because of its luxurious lather and gentleness to the skin. Today, "Castile" refers to any vegetable based soap. So a pack of three bars for $3.28 at Wal-Mart means Kirby gets treated like royalty on a budget.

Ingredients for 6 cups

  • 2 - 4 oz bars castile soap
  • 6 cups boiling water 


1.  Use a kitchen knife to cut the bar of soap into small slivers.  This soap is so soft it’s easier than slicing cheese.

2.  In a medium pot heat water to boiling and then remove from heat.

3.  Add the slivers of soap and leave for about an hour which will allow the soap to dissolve into a concentrated liquid. 

4.  Pour the liquid soap into your chosen containers.

This is the ratio I like best but you can always dilute it with water either when making it or after. It’s hot here so I like to place some of my batches of liquid soap in the refrigerator for about thirty minutes so they’ll jell into a semi-solid soap.  This way I have liquid soap for quick use and the semi-solid for baths. Coconut oil liquefies when it reaches 76 degrees so it’s easy to place the container in hot water when I want the liquid form.

Castile Dog Shampoo Instructions

The more concentrated it is the more sudsy bubbles will be achieved. I use the concentrated for Kirby’s baths which goes a long ways. It lathers up which I love while I massage it throughout his coat which he loves and it rinses out beautifully. The coconut smell is wonderful by itself however sometimes I like to add about 1/4 teaspoon or 3-5 drops of an essential oil like peppermint, lavender, cinnamon, rosemary, or ylang ylang. Make sure whatever scent you choose is dog friendly, for example tea tree oil is not. 

Bath Time
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