Hartz UltraGuard Rid Flea and Tick Dog Shampoo 18 oz
- Item Form: Liquid
- Target Species: Dog
- Scent Name: Oatmeal
- Allergen Information: Cashews Free
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A dual-purpose flea and tick shampoo with an oatmeal base, useful as a wash-in treatment rather than a long-term repellent, since bathing effects are temporary.
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ASIN: B000OXCUCOCategory: Dog Shampoos
Overview
An oatmeal-based liquid shampoo formulated to treat fleas and ticks on dogs, sold in an 18 oz bottle. Oat is listed as the active ingredient.
The oatmeal base points to a formula meant to soothe skin while treating fleas and ticks in the same wash, rather than a purely insecticidal shampoo. It is labeled for all life stages, so it covers puppies through adult dogs, and the listing notes it is free of cashew allergens specifically. Best-sellers data shows it ranked inside the top 20 dog shampoos on Amazon at the time of listing.
- Oatmeal-based flea and tick shampoo
- 18 oz liquid bottle
- Oat listed as active ingredient
- Labeled for all life stages
Who it's for
Dog owners treating an active flea or tick issue who also want a shampoo gentle enough for regular bathing, given the oatmeal base. Owners looking for a purely cosmetic or fragrance-focused shampoo may want a different product.
Pros and cons
- Oatmeal base alongside flea and tick treatment
- Labeled safe for all life stages
- Free of cashew allergens per the listing
- Shampoo treatment does not provide lasting flea and tick protection between baths
- 18 oz bottle may not stretch far for larger or multiple dogs
Performance notes
Oat is listed as the active ingredient, working alongside the shampoo's flea and tick claim during the wash itself. Being a liquid formula in an 18 oz bottle, it covers a handful of full-body washes depending on the dog's size. It is labeled for all life stages and marketed toward larger dog breeds per the listing.
Specifications
| Brand | Hartz |
|---|---|
| Dimensions & fit | |
| Item Weight | 1.1 poundshigher than 56% of 90 dog shampoos |
| Dog Breed Size | Large |
| Capacity & performance | |
| Volume | 18 fl oz |
| Age Range Description | All Life Stages |
| Included components | |
| Unit Count | 18 fl oz |
| Included Components | Shampoo |
| Warranty & support | |
| Warranty Description | No_warranty |
| Other details | |
| Item Form | Liquid |
| Target Species | Dog |
| Scent Name | Oatmeal |
| Allergen Information | Cashews Free |
| Asin | B000OXCUCO |
| Manufacturer | Hartz |
| Best Sellers Rank | #1,991 In Pet Supplies (See Top 100 In Pet Supplies) #20 In Dog Shampoos |
| Manufacturer Part Number | 3270002305 |
| Model Number | 3270002305 |
| Upc | 032700023058 |
| Item Type Name | UltraGuard Rid Flea & Tick Oatmeal Dog Shampoo |
| Active Ingredients | Oat |
Closest rivals on specs
Frequently asked questions
What is the active ingredient in Hartz UltraGuard Rid shampoo?
Oat is listed as the active ingredient.
Does this shampoo provide lasting flea protection?
No, it treats fleas and ticks during the wash itself rather than offering ongoing prevention between baths.
Is this shampoo labeled safe for puppies?
Yes, it is labeled for all life stages, which includes puppies.