Hello, I'm not sure what you mean by "natural", but if you are looking for a mild shampoo, one containing oatmeal may be appropriate. Most shampoos contain soaps or detergents, that is what makes them able to have cleansing activity, but if your dog has sensitive skin, then a soap free shampoo such as HyLyt may be helpful. There are numerous OTC dog shampoos which contain tea tree oil, lavender, calendula, and other supposedly helpful "natural" ingredients, none of which have actually been clinically tested to determine if they actually cause the benefits purported on the label, and it is a matter of trial and error to see what product your dog tolerates best.
Hope tha tis helpful,
Kimberly COyner, DVM DACVD
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