The Risks of Using Head & Shoulders Shampoo on Dogs, Especially Dobermans
We, as Doberman guardians often go to great lengths to ensure our furry friends are healthy and well-groomed. However, in the quest for cleanliness, some people may unknowingly make choices that could harm their pets. One such common mistake is using human shampoos, like Head & Shoulders, on dogs. We’ve seen the recommendation to use Head & Shoulders in Doberman-related forums often enough that we feel it is necessary to address the issues that come with that choice. While it might seem like a convenient option, especially in a pinch, this practice can be harmful. In this article, we'll explore why using Head & Shoulders shampoo on dogs is a bad idea, and Dobermans are no exception.
Veterinary Diagnosis
Before we begin: If your Doberman has skin issues, including dandruff, always take your dog to your veterinarian for a proper diagnosis before trying to treat dandruff yourself.
Skin pH Levels: Dogs vs. Humans
The primary reason Head & Shoulders shampoo, or any human shampoo, for that matter, is unsuitable for dogs lies in the difference between human and canine skin pH levels. Human skin is more acidic, with a pH level around 5.5, while canine skin is more neutral, with a mean pH level of 7.48. Head & Shoulders is formulated to match the pH level of human skin and treat specific conditions like dandruff. When applied to a dog's skin, the mismatch in pH can disrupt the natural skin barrier, leading to dryness, irritation, or even infections.
Note: Sometimes, as you will read below, veterinarians will use human shampoo formulations off-label, but that still does not make Head & Shoulders a good choice for your Doberman’s dandruff problem.
The Sensitive Skin of Dobermans
Even though the scientific literature does describe a variety of skin issues Dobermans are prone to (Gough, Thomas, & O’Neill, 2018), they do not necessarily describe Dobermans as particularly sensitive-skinned. However, if you have ever participated in a Doberman forum, you know it is one of the most talked-about issues among guardians. That kind of owner experience is anecdotal, but it remains meaningful as a recurring pattern, not something to be waved away. Using a shampoo like Head & Shoulders, which contains chemicals to fight dandruff in humans, can exacerbate skin conditions in Dobermans. Harsh ingredients can strip their skin of natural oils, leaving them more susceptible to irritants and allergens.
Zinc Pyrithione and Other Chemical Concerns
In some Head & Shoulders formulations, the active ingredient is zinc pyrithione, an antifungal used to control dandruff. Zinc pyrithione is classified as toxic if swallowed, and older dog toxicology data show that oral exposure can cause rapid vomiting and gastric irritation in dogs. While that emetic effect may limit how much is retained, ingestion should not be treated as harmless. Because dogs may lick shampoo residue from their coat or ingest runoff during bathing, using a human dandruff shampoo on a dog creates an avoidable exposure risk. In a large dog such as a Doberman, more product may be needed simply because of body size, which can increase the total exposure opportunity, even though actual risk still depends on how much the dog ingests and retains.
Some Head & Shoulders formulations contain selenium sulfide rather than zinc pyrithione. Selenium sulfide is used topically in veterinary dermatology in some dogs, but that does not make human dandruff shampoos a routine or risk-free choice for canine bathing. If ingested, selenium sulfide products can cause gastrointestinal upset such as drooling, vomiting, and diarrhea, and larger oral exposures may cause more serious signs. Again, because dogs may lick residue from the coat or ingest runoff during bathing, using a human dandruff shampoo on a dog still creates an avoidable exposure risk.
Note: Although specific human selenium sulfide shampoos are sometimes used topically in dogs under veterinary direction, that does not make human dandruff shampoos an appropriate routine choice for canine bathing. Human shampoos are formulated for human skin, and product suitability in dogs depends on the correct diagnosis, the full formulation, concentration, contact time, rinsing, and the risk of licking or mucosal exposure, not just the active ingredient.
Fragrances and Essential Oils
Some Head & Shoulders formulations contain peppermint oil, tea tree oil, or eucalyptus extract. These are not ideal ingredients for routine use on dogs. VCA lists peppermint oil and tea tree oil among essential oils poisonous to dogs, and VCA notes that both ingestion and skin exposure can be toxic. Eucalyptus is also toxic to dogs according to ASPCA. As mentioned multiple times, because dogs may lick shampoo residue from the coat and because essential oils can be absorbed through the skin and mucous membranes, these ingredients create an unnecessary risk of irritation and adverse effects in a product that was formulated for human scalp care, not canine skin.
The Right Way to Bathe Your Doberman
First, it is important to have your veterinarian examine your Doberman to determine the cause of the flaky skin before assuming that bathing them will solve the problem.
To avoid the risks associated with human shampoos, using a dog-specific shampoo for your Doberman is crucial. These products are specifically formulated for canine skin, with ingredients tailored to their skin. When selecting a dog shampoo, we recommend asking your veterinarian for one designed for sensitive skin, free from fragrances, and hypoallergenic. Regular grooming and bathing with the correct products can help maintain your Doberman's skin health and overall well-being. Steer clear of sulfate-containing dog shampoos as well. They can destroy your dog’s natural skin barrier and potentially worsen any skin condition. You may also want to read our blog article about how to support your Doberman’s skin more naturally.
While reaching for Head & Shoulders shampoo might seem like a quick fix for dandruff when your Doberman needs a bath, it's not worth the potential risks, especially for those with skin sensitivities. Bathing your Doberman requires careful consideration and the use of products designed to meet their specific needs. By choosing the right dog-specific shampoo and care, you can ensure your Doberman remains healthy, happy, and well-groomed without the adverse effects caused by human hair care products.
In-Text Linked References
American Society for the Prevention of Cruelty to Animals. (n.d). Eucalyptus. https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/eucalyptus
Cleveland Clinic. (2023, June 29). What is your skin’s pH and why does it matter?https://health.clevelandclinic.org/what-is-skin-ph
European Commission. (2014). Scientific committee on consumer safety. Opinion on zinc pyrithione COLIPA n° P81. https://ec.europa.eu/health/scientific_committees/consumer_safety/docs/sccs_o_133.pdf
Gough, A., Thomas, A. & O’Neill, D. (2018). Breed dispositions to disease in dogs and cats. Wiley Blackwell.
Hall. J.O. (2024, September). Selenium poisoning. https://www.merckvetmanual.com/special-pet-topics/poisoning/selenium-poisoning
Hamilton, A. (n.d). Selenium sulfide topical.https://vcahospitals.com/know-your-pet/selenium-sulfide-topical
Kuhl, K. (2009). Topical solutions for allergy, pyoderma and scaling disorders (Proceedings). https://www.dvm360.com/view/topical-solutions-allergy-pyoderma-and-scaling-disorders-proceedings
Matousek, J. L., Campbell, K. L., Kakoma, I., Solter, P. F., & Schaeffer, D. J. (2003). Evaluation of the effect of pH on in vitro growth of Malassezia pachydermatis. Canadian journal of veterinary research = Revue canadienne de recherche veterinaire, 67(1), 56–59. https://pmc.ncbi.nlm.nih.gov/articles/PMC227028/#:~:text=Canine%20skin%20is%20more%20alkaline,6.4%20to%209.1%20(7)
Procter & Gamble. (n.d). Head & shoulders shampoos with zinc pyrithione: What’s in the bottle? https://headandshoulders.com/en-us/about/transparency/head-shoulders-shampoos-with-pyrithione-zinc-whats-in-the-bottle
Procter & Gamble. (n.d). Head & shoulders. Our active ingredients. https://headandshoulders.com/en-us/about/transparency/our-active-ingredients
Schmid, R., Brutlag, & A. Flint, C. (n.d). Essential oil and liquid potpourri poisoning in dogs.https://vcahospitals.com/know-your-pet/essential-oil-and-liquid-potpourri-poisoning-in-dogs
Snyder, F. H., Buehler, E. V., & Winek, C. L. (1965). Safety evaluation of zinc 2-pyridinethiol 1-oxide in a shampoo formulation. Toxicology and applied pharmacology, 7, 425–437. https://doi.org/10.1016/0041-008x(65)90144-4
Veterinary Centers of America. True or false: It’s okay to use human shampoos on pets. https://vcahospitals.com/resources/lifestyle-dog/supplies/true-or-false-it-s-okay-to-use-human-shampoo-on-pets
Disclaimer: The information provided in this article is for educational and informational purposes only and is not intended as a substitute for advice from your veterinarian or other healthcare professional. You should not use this information to diagnose or treat a health problem or disease or prescribe any medication or other treatment. Always consult with your veterinarian or other qualified healthcare provider before making any changes to your pet's healthcare regimen, especially if they have or suspect they may have a health problem. The author and publisher of this article are not responsible for any adverse effects or consequences resulting from the use of any suggestions, products, or procedures mentioned in this article. The use of this information is at the reader's discretion and risk.
