In this blog post I aim to shed light on the 33 most harmful ingredients in dog shampoos. These ingredients, ranging from sulfates and parabens to artificial fragrances and preservatives, can pose risks to our canine companions’ skin, coat, and overall health.
While grooming is an essential part of caring for our dogs, we often overlook the potential dangers lurking within the very products we trust to keep them clean and healthy.
My mission is to empower you with knowledge and understanding, equipping you with the necessary tools to make informed decisions when it comes to choosing the right grooming products for your beloved dogs.
By familiarizing yourself with these harmful ingredients, you can navigate the market more confidently and prioritize your pets’ health and safety.
My Personal Experience With A Bad Dog Shampoo
My Weimaraner had just finished training for her championship show and she was due a bath. I bathed her as normal. However, the shampoo was different. Everything looked fine just after the bath.
However, in sometime, i noticed rashes. Soon she started breathing with discomfort. I panicked and we rushed her to the doctor. I was shocked to hear that it was triggered by an allergy. We then found out it was the shampoo.
After, this i have been very cautious with every single product i use for my darlings. Now its time to look those harmful ingredients in dog shampoos.
31 Harmful Ingredients in Dog Shampoo
1.Artificial Fragrances
Artificial fragrances in dog shampoo may seem appealing, but they can hide a multitude of dangers. These synthetic scents are often derived from chemicals that can irritate a dog’s sensitive skin and trigger allergic reactions.
Moreover, the strong fragrance can overwhelm a dog’s sense of smell, causing discomfort and potential respiratory issues.
Opting for fragrance-free or naturally scented shampoos can help safeguard your furry friend’s well-being and ensure a more pleasant grooming experience for both of you.
2. DMDM Hydantoin
DMDM Hydantoin is a preservative commonly found in dog shampoos, but its potential risks should not be overlooked. While it helps prolong the shelf life of products, it releases formaldehyde, a known carcinogen, as a byproduct.
This chemical can be absorbed through a dog’s skin and has been linked to skin irritation, allergies, and even more severe health issues with prolonged exposure.
Prioritizing dog shampoos that use safer preservatives, such as natural alternatives like vitamin E or rosemary extract, can help protect your furry companion.
3. DHDH Hydantoin
DHDH hydantoin releases formaldehyde when it comes into contact with water. Formaldehyde is a known carcinogen and can cause cancer in both humans and animals. It can also cause skin irritation, allergic reactions, and respiratory problems.
In addition to DHDH hydantoin, many dog shampoos contain other harmful ingredients such as sulfates, parabens, and artificial fragrances. These chemicals can dry out your dog’s skin and coat, leading to itching and discomfort.
As pet owners, it’s important that we read the labels on our dog shampoos carefully and choose products that are free from harmful ingredients like DHDH hydantoin. Look for natural or organic shampoos that use plant-based ingredients instead of harsh chemicals.
4. Chlorhexidine Digluconate
Chlorhexidine Digluconate is a commonly used ingredient in dog shampoos known for its antimicrobial properties. While it can be effective in treating certain skin conditions, it is crucial to use it with caution.
Concentrated or prolonged use of Chlorhexidine Digluconate may lead to skin irritation, dryness, and allergic reactions in some dogs. It is recommended to consult with a veterinarian before using any product containing this ingredient, ensuring the appropriate concentration and duration of use for your pet’s specific needs.
Additionally, alternative natural ingredients may be considered for regular maintenance grooming to minimize potential risks.
5. Ketoconazole
Ketoconazole is an antifungal medication commonly found in dog shampoos formulated to treat various fungal skin infections. While it can be effective in combating fungal issues, it is important to use it under veterinary guidance.
Ketoconazole should not be used excessively or without proper instructions, as it may lead to adverse effects such as skin irritation, dryness, or even allergic reactions in some dogs.
It is crucial to consult with a veterinarian to determine the appropriate dosage and duration of use for your dog’s specific condition, ensuring their safety and well-being during the treatment process.
6. Miconazole Nitrate
Miconazole Nitrate is an antifungal medication commonly used in human medicine to treat skin infections. However, it has no place in dog shampoo. This ingredient can cause a range of adverse reactions in dogs, including skin irritation. In severe cases, it can even lead to hair loss and chemical burns.
While some manufacturers claim that Miconazole Nitrate is safe for use on dogs, the truth is that this ingredient should be avoided at all costs. There are plenty of other effective and safe ingredients available that can be used to treat fungal infections in dogs without putting their health at risk.
One such alternative is tea tree oil, which has natural antifungal properties and is safe for use on dogs when properly diluted. Other options include coconut oil, apple cider vinegar, and colloidal oatmeal – all of which have been shown to be effective against fungal infections without causing harm to our pets.
7. PEG (polyethylene glycol)
PEG (polyethylene glycol) is commonly used in various personal care products, including some dog shampoos, as a thickening agent and emulsifier. However, it is important to be aware that PEG can have potential harmful effects on dogs.
It has been associated with skin irritation, allergic reactions, and can strip the natural oils from the skin and coat, leading to dryness and discomfort.
Some dogs may be more sensitive to PEG than others, so it is advisable to choose dog shampoos that are free from this ingredient or opt for products with lower concentrations. Always read the labels and prioritize the well-being of your furry friend when selecting grooming products.
8. PPG
PPG is a chemical compound commonly used in shampoos and other personal care products. It is known to cause skin irritation and allergic reactions in both humans and animals. In fact, the Environmental Working Group has classified PPG as a moderate hazard ingredient due to its potential health risks.
Furthermore, PPG has been linked to cancer in animals. A study conducted by the National Toxicology Program found that exposure to PPG caused tumors in rats and mice. While more research needs to be done on its effects on dogs specifically, it’s clear that this ingredient should be avoided.
It’s important for pet owners to read labels carefully when purchasing dog shampoo and avoid any products containing PPG or other harmful ingredients.
9. Benzethonium Chloride
Benzethonium Chloride is an antimicrobial agent often used in dog shampoos due to its disinfecting properties. However, it is important to be cautious about its potential harmful effects. This ingredient has been associated with skin irritation, allergies, and even toxicity if ingested or absorbed in large amounts.
It is crucial to use dog shampoos containing Benzethonium Chloride with care and follow the recommended dosage and application instructions. If you notice any adverse reactions in your dog, such as redness, swelling, or discomfort, discontinue use and consult with a veterinarian for further guidance.
Prioritizing the safety and well-being of your furry friend is paramount when selecting grooming products.
10. Formaldehyde
Formaldehyde is a highly concerning ingredient that can sometimes be found in dog shampoos. This colorless gas is commonly used as a preservative to prevent bacterial growth and extend the product’s shelf life. However, formaldehyde is a known carcinogen and can be harmful to both humans and animals.
Even an increased risk of certain cancers. It is crucial to avoid dog shampoos that contain formaldehyde or any ingredients that release formaldehyde, ensuring the safety and well-being of your furry companion. Look for products that use natural and safer alternatives for preservation.
11.Isopropyl Alcohol
Isopropyl alcohol is commonly used in cleaning products and disinfectants due to its ability to kill bacteria and viruses. However, when it comes to dog shampoo, this ingredient can do more harm than good. Isopropyl alcohol can cause skin irritation, dryness, and even chemical burns if used in high concentrations or on sensitive skin.
Furthermore, dogs have a tendency to lick themselves after being bathed with shampoo. If your dog ingests isopropyl alcohol through licking their fur or paws, it can lead to vomiting, diarrhea, and even respiratory problems.
12. Ethanolamine Compounds
Ethanolamine compounds, such as DEA (Diethanolamine), TEA (Triethanolamine), and MEA (Monoethanolamine), are frequently used in dog shampoos as emulsifiers or pH adjusters.
However, these ingredients have potential harmful effects. Ethanolamine compounds can react with other ingredients in the shampoo to form nitrosamines, which are known carcinogens. Prolonged exposure to nitrosamines may increase the risk of cancer and other health issues.
13. Parabens
Parabens are a group of preservatives commonly found in many personal care products, including dog shampoos. While they serve the purpose of preventing the growth of bacteria and prolonging shelf life, parabens have raised concerns due to their potential health risks.
These chemicals can mimic estrogen in the body and have been associated with hormonal disruption, skin irritation, and allergic reactions in both humans and animals. To prioritize your pet’s well-being, it is advisable to choose dog shampoos that are paraben-free and opt for natural preservatives instead. Look for alternatives like vitamin E, rosemary extract, or grapefruit seed extract to ensure a safer grooming experience for your furry friend.
14. Phthalates
Phthalates are a group of chemicals often used as plasticizers in various products, including some dog shampoos. These chemicals are used to enhance fragrance and increase product flexibility. However, phthalates have raised concerns due to their potential harmful effects.
They are known endocrine disruptors and have been linked to reproductive issues, hormonal imbalances, and adverse health effects in both humans and animals. It is advisable to choose dog shampoos that are phthalate-free and opt for products with natural scents or essential oils instead.
By avoiding phthalates, you can help safeguard your furry companion’s health and well-being during grooming sessions.
15. Sulfates
Sulfates, such as Sodium Lauryl Sulfate (SLS) and Sodium Laureth Sulfate (SLES), are commonly used in dog shampoos to create lathering and foaming effects. However, these ingredients can be potentially harmful to dogs. Sulfates are known to strip the natural oils from the skin and coat, leading to dryness, irritation, and itchiness.
They can also cause eye and nose irritation and may be particularly harsh on dogs with sensitive skin or pre-existing skin conditions. Opting for sulfate-free dog shampoos can help maintain a healthy balance of oils on your dog’s skin and promote a more gentle and soothing grooming experience.
16. Mineral Oils
Mineral oils are petroleum-derived ingredients that are sometimes found in dog shampoos. While they are commonly used as moisturizers and emollients, mineral oils can have potential drawbacks. They create a barrier on the skin that can interfere with the skin’s natural functions, such as regulating moisture and temperature.
This can lead to clogged pores, skin irritation, and hinder the skin’s ability to breathe. Furthermore, if a dog licks or ingests mineral oil, it can cause gastrointestinal upset.
17. GMO
GMO, or genetically modified organisms, is a term used to describe organisms whose genetic material has been altered through genetic engineering techniques. While GMOs are commonly associated with food crops, it’s important to be aware that they can also be present in other products, including dog shampoos.
The potential risks of GMOs in dog shampoo are not well-studied, but some pet owners prefer to avoid them due to concerns about potential health and environmental impacts. If you have reservations about GMOs and prefer to avoid them, it’s recommended to look for dog shampoos that are labeled as GMO-free or made with organic and natural ingredients.
18. Synthetic Dyes
Synthetic dyes are commonly used in dog shampoos to enhance the product’s appearance and create vibrant colors. However, these artificial colorants can potentially pose risks to your furry companion. Synthetic dyes are often derived from coal tar or petroleum, and they have been associated with skin irritation, allergic reactions, and even toxicity in some cases.
Dogs with sensitive skin or pre-existing skin conditions may be particularly vulnerable to these harmful effects. Opting for dog shampoos that use natural colorants derived from plant sources, such as beetroot or turmeric, can be a safer alternative, ensuring a gentler and less potentially harmful grooming experience for your pet.
19. Petrochemicals
Petrochemicals are derived from petroleum and can be found in some dog shampoos. These ingredients, such as mineral oil, petrolatum, and paraffin, are used to provide moisturizing or emollient properties. However, petrochemicals can have potential harmful effects on your furry friend.
They can clog the pores, hinder the skin’s natural functions, and lead to skin irritation, allergies, or even systemic toxicity if ingested. Opting for dog shampoos that use natural oils and ingredients derived from plant sources can provide a safer and more beneficial grooming experience, avoiding the potential risks associated with petrochemicals.
20. Triclosan
Triclosan is an antimicrobial agent that has been used in some dog shampoos for its antibacterial properties. However, there are concerns about its potential harmful effects. Triclosan has been linked to hormone disruption, bacterial resistance, and environmental pollution. Moreover, it can cause skin irritation and allergic reactions in some dogs.
21. Phenoxyethanol
Phenoxyethanol is a preservative commonly used in dog shampoos to inhibit bacterial growth and extend shelf life. While it is considered a safer alternative to some other preservatives, there are potential concerns associated with its use.
Phenoxyethanol has been linked to skin irritation, allergic reactions, and even organ toxicity in high concentrations or prolonged exposure.
It is important to use dog shampoos containing Phenoxyethanol with caution, following the recommended dosage and application guidelines. If your dog experiences any adverse reactions, discontinue use immediately and consult with a veterinarian.
22. Silicones
Silicones are commonly used in dog shampoos as a conditioning agent and to add shine to the coat. However, they can also cause a range of problems for your dog’s skin and coat. Silicones can build up on your dog’s skin and coat over time, leading to dryness, irritation and even hair loss.
Furthermore, silicones are not biodegradable and can have a negative impact on the environment. When washed down the drain, they can accumulate in waterways and harm aquatic life.
It is important that we choose dog shampoos that do not contain harmful ingredients like silicones.
23. Cocamidopropyl Betaine
Cocamidopropyl Betaine is a surfactant commonly used in dog shampoos to create a lathering effect and remove dirt and oils from the coat. While it is generally considered a milder alternative to some harsher surfactants, there are potential concerns associated with Cocamidopropyl Betaine.
It has been known to cause skin irritation and allergic reactions in some dogs, particularly those with sensitive skin or pre-existing skin conditions.
24. Bromopol
Bromopol, also known as 2-Bromo-2-nitropropane-1,3-diol, is a preservative that is sometimes found in dog shampoos. However, there are concerns about its potential harmful effects. Bromopol releases formaldehyde, a known carcinogen, when it comes into contact with water.
Formaldehyde can cause skin irritation, allergies, and respiratory issues in both humans and animals. It is advisable to choose dog shampoos that do not contain Bromopol or any ingredients that release formaldehyde, ensuring a safer and healthier grooming experience for your furry friend.
25. Imidazolidinyl Urea
Imidazolidinyl Urea is a preservative commonly used in dog shampoos to prevent bacterial growth and extend the product’s shelf life. However, it is important to be aware of its potential harmful effects. Imidazolidinyl Urea releases formaldehyde, a known carcinogen, as it breaks down.
Formaldehyde can cause skin irritation, allergies, and respiratory issues in both humans and animals. If your dog has sensitive skin or is prone to allergic reactions, it is advisable to choose dog shampoos that do not contain Imidazolidinyl Urea or any ingredients that release formaldehyde.
26. Quaternium-7,15, 31, 61
Quaternium-7, Quaternium-15, Quaternium-31, and Quaternium-61 are a group of preservatives and conditioning agents that are sometimes used in dog shampoos. Quaternium compounds are used as preservatives and surfactants in many personal care products, including dog shampoo. However, they have been linked to skin irritation and allergic reactions in both humans and animals. In fact, some studies suggest that quaternium-15 may release formaldehyde when it comes into contact with water! Additionally, Quaternium-15 releases formaldehyde, a known carcinogen, which can have long-term health implications. So avoid these shampoos which is the best thing to do.
27. Sodium Hydroxymethylglycinate
Sodium Hydroxymethylglycinate is a preservative commonly used in dog shampoos to inhibit the growth of bacteria and fungi. However, it is important to be aware of its potential harmful effects. Sodium Hydroxymethylglycinate releases formaldehyde, a known carcinogen, when it comes into contact with water.
Formaldehyde can cause skin irritation, allergies, and respiratory issues in both humans and animals. If your dog has sensitive skin or is prone to allergic reactions, it is advisable to choose dog shampoos that do not contain Sodium Hydroxymethylglycinate or any ingredients that release formaldehyde.
28. SD Alcohol
SD Alcohol, also known as denatured alcohol or alcohol denat, is a common ingredient found in some dog shampoos. However, it is important to be cautious about its use. SD Alcohol is a form of ethanol that has been denatured with additives to make it unfit for consumption.
It is often used as a solvent or to aid in product penetration. While it can help in drying the coat quickly, SD Alcohol can be harsh and drying to the skin, leading to irritation and discomfort. It can strip away the natural oils that help keep the skin and coat healthy.
29. Polysorbates
Polysorbates, such as Polysorbate 20 or Polysorbate 80, are emulsifiers commonly used in dog shampoos to help blend water and oil-based ingredients. While they serve a functional purpose, there are potential concerns associated with their use. Polysorbates are emulsifiers that are used to mix oil and water-based ingredients together.
Additionally, there have been reports of Polysorbate 80 being linked to potential reproductive and developmental issues in laboratory animals.
30. Ammonium Laureth Sulfate
Ammonium Laureth Sulfate is a foaming agent commonly found in dog shampoos. It is used to create lather and make the shampoo easier to spread on your pet’s fur. However, this ingredient can cause skin irritation, allergies and even cancer in dogs.
When you use a shampoo containing Ammonium Laureth Sulfate on your dog, it can strip their skin of its natural oils and leave it dry and itchy. This can lead to scratching, which can cause further damage to their skin and even infections.
31. Sodium Benzoate Preservative
While it is considered safe for use in small quantities, there are some concerns associated with its use. Sodium Benzoate can react with vitamin C and certain acids to form benzene, a known carcinogen.
Although the risk of benzene formation in dog shampoos is generally low, it is still important to be cautious.
Summary
In conclusion, being aware of the harmful ingredients in dog shampoo is essential for the well-being of our furry companions. The 31 ingredients discussed in this blog post, ranging from artificial fragrances to sulfates, parabens, and phthalates, can potentially cause a variety of adverse effects on dogs’ skin, coat, and overall health.
By carefully reading product labels and choosing shampoos free from these harmful ingredients, pet owners can provide a safer and gentler grooming experience for their beloved pets. Opting for natural and organic alternatives, consulting with veterinarians, and prioritizing the use of pet-friendly products can go a long way in ensuring the happiness and health of our four-legged friends.
References
1. American Kennel Club (2019). “The Best Natural Dog Shampoo Brands.”
2. PetMD (2020). “How to Choose the Right Dog Shampoo.”
3. The Spruce Pets (2021). “The 8 Best Natural Dog Shampoos of 2021.”
4. Whole Dog Journal (2019). “Dog Shampoo Ingredients: What You Need To Know.”
5. ASPCA Animal Poison Control Center (2021).
6. Have You Been Bathing Your Pet With a Cancer Causing Chemical | PetMD
