| Ingredient | Reason | Harmful to |
| Aconite (Monkshood) | Can cause vomiting, diarrhea, and cardiac toxicity. | All pets |
| Aloe Vera (in large quantities) | Can cause vomiting, diarrhea, and lethargy. | All pets |
| Ammonium Lauryl Sulfate | Strips oils from skin and coat, and can be contaminated with carcinogenic substances. | All pets |
| Artificial Colors (e.g., Red 40, Yellow 5) | Linked to organ damage, cancer, birth defects, and allergic reactions. | All pets |
| Artificial Dyes (Red 40, Yellow 5, etc.) | May cause allergic reactions and hyperactivity. | All pets |
| Artificial Fragrances and Colors | Can cause skin irritation, allergic reactions, and respiratory issues. | All pets |
| Azalea | Can cause vomiting, diarrhea, and lethargy. | Dogs, Cats |
| Baby’s Breath (Gypsophila) | Can cause respiratory distress and gastrointestinal upset. | Dogs, Cats |
| Baking Soda (Sodium Bicarbonate) | Can cause digestive upset and electrolyte imbalances if ingested in large quantities. | All pets |
| Belladonna | Can cause severe poisoning, dilated pupils, and tachycardia. | All pets |
| Benzophenone | Can cause skin irritation and allergic reactions. | All pets |
| Benzyl Alcohol | Can cause skin irritation and toxicity if ingested. | All pets |
| Black Walnut | Can cause gastrointestinal upset and toxicity. | All pets |
| Bluebell | Can cause vomiting, diarrhea, and lethargy. | Dogs, Cats |
| Buttercup | Can cause gastrointestinal upset and skin irritation. | Dogs, Cats |
| Butylparaben | Can cause skin irritation and hormone disruption. | All pets |
| Caladium | Can cause vomiting, diarrhea, and lethargy. | All pets |
| Camphor | Can cause seizures, vomiting, and skin irritation. | Dogs, Cats |
| Caprylyl Glycol | Can cause skin irritation and allergic reactions. | All pets |
| Castor Bean | Can cause severe toxicity and death if ingested. | All pets |
| Chrysanthemum | Can cause skin irritation and gastrointestinal upset. | Dogs, Cats |
| Cineraria | Can cause vomiting, diarrhea, and lethargy. | All pets |
| Citrus (Lemon, Lime, Orange) | Can cause gastrointestinal upset and toxicity. | Dogs, Cats |
| Clematis | Can cause gastrointestinal upset and respiratory issues. | Dogs, Cats |
| Clove Oil | Can cause liver toxicity and gastrointestinal issues. | Dogs, Cats |
| Cocamide DEA (Diethanolamide) | Can cause skin irritation and is potentially carcinogenic. Can cause skin irritation and allergic reactions. | All pets |
| Cocamide MEA (Monoethanolamide) | Toxic when inhaled, causes skin irritation. | All pets |
| Cocamidopropyl Betaine | Can cause skin irritation and allergic reactions. | All pets |
| Copper sulfate | Can cause toxicity if ingested. | All pets |
| Cucumis (Cucumber) Oil | Can cause gastrointestinal upset, lethargy, and diarrhea. | Dogs, Cats |
| Cyclamen | Can cause vomiting, diarrhea, and organ failure. | Dogs, Cats |
| Daffodil | Can cause vomiting, diarrhea, and lethargy. | Dogs, Cats |
| Deadly Nightshade (Belladonna) | Can cause severe poisoning and death. | All pets |
| Diatomaceous Earth (Non-Food Grade) | Can cause respiratory issues if inhaled. | All pets |
| Ethanolamines (DEA, MEA, TEA) | Can cause skin and eye irritations, harmful if ingested. | All pets |
| Ethylhexylglycerin | Can cause skin irritation and allergic reactions. | All pets |
| Essential Oils | Essential oils can cause skin irritation, toxicity if ingested, respiratory issues, and can affect the liver, kidneys, or central nervous system, especially in high concentrations or without proper dilution | Â All pets |
| Eugenol (clove oil) | Can cause liver damage and irritation to mucous membranes. | Dogs, Cats |
| Formaldehyde | Can cause skin irritation, respiratory problems, and cancer. | All pets |
| Formaldehyde and Formaldehyde-Releasing Agents | Can cause skin irritation, allergic reactions, and are known carcinogens. | All pets |
| Foxglove | Can cause arrhythmias, vomiting, and death. | All pets |
| Fragrance (synthetic) | Can cause skin irritation and allergic reactions. | All pets |
| Hellebore | Can cause severe vomiting, diarrhea, and toxicity. | All pets |
| Hemlock | Can cause respiratory paralysis and death. | All pets |
| Henbane | Can cause nausea, vomiting, and delirium. | All pets |
| Hexachlorophene | Can cause toxicity, especially in small pets. | Dogs, Cats |
| Holly | Can cause vomiting, diarrhea, and lethargy. | All pets |
| Hyacinth | Can cause vomiting, diarrhea, and lethargy. | Dogs, Cats |
| Hydroxycitric Acid (HCA) | Can cause digestive upset and liver damage. | All pets |
| Isopropyl Alcohol (SD Alcohol 40) | Can dry out skin and cause irritation, especially in sensitive pets. Can cause toxicity and central nervous system depression. | All pets |
| Ivy | Can cause vomiting, diarrhea, and skin irritation. | Dogs, Cats |
| Jimson Weed | Can cause nausea, vomiting, and respiratory distress. | All pets |
| Kalanchoe | Can cause vomiting, diarrhea, and heart arrhythmias. | Dogs, Cats |
| Lanolin | Can cause skin irritation and allergic reactions. | All pets |
| Larkspur | Can cause vomiting, diarrhea, and respiratory failure. | Dogs, Cats |
| Laurel (Yew) | Can cause severe toxicity, organ failure, and death. | All pets |
| Lavender Oil | Can cause gastrointestinal upset, lethargy, and skin irritation. | Dogs, Cats |
| Lemon Oil | Can cause gastrointestinal upset and toxic reactions. | Dogs, Cats |
| Lily (Lilies, Easter Lilies) | Can cause kidney failure and death. | Cats |
| Melaleuca Oil (Tea Tree Oil) | Can cause toxicity and central nervous system depression. | Dogs, Cats |
| Methylisothiazolinone | Can cause allergic reactions, skin irritation, and respiratory issues. | All pets |
| Methylparaben | Can cause skin irritation and allergic reactions. | All pets |
| Nail Polish Remover (Acetone) | Can cause toxicity, burns, and central nervous system depression. | All pets |
| Oleander | Can cause severe poisoning, arrhythmias, and death. | All pets |
| Oregano Oil | Can cause digestive issues and kidney damage. | Dogs, Cats |
| PEG Compounds (e.g., PEG-40, PEG-8) | Potential contamination with carcinogenic substances like ethylene oxide. | All pets |
| Parabens (Methylparaben, Propylparaben, Butylparaben, Ethylparaben) | Can disrupt hormone function and cause reproductive issues. | All pets |
| Parabens (Propylparaben, Methylparaben, etc.) | Can cause skin irritation and hormone disruption. | All pets |
| Pennyroyal | Can cause liver damage and central nervous system depression. | All pets |
| Phenoxyethanol | Used as a preservative, can cause skin irritation, allergic reactions, and central nervous system depression. Can cause skin irritation, allergic reactions, and central nervous system depression. | All pets |
| Philodendron | Can cause gastrointestinal upset and oral irritation. | All pets |
| Phthalates | Endocrine disruptors that affect hormone function and reproductive health. | All pets |
| Poinsettia | Can cause mild vomiting and diarrhea. | All pets |
| Polyethylene Glycol (PEG) | Can cause skin irritation and allergic reactions. | All pets |
| Polysorbates | Can cause contamination with carcinogenic ethylene oxide and 1,4-dioxane. | All pets |
| Propylene Glycol | Can cause central nervous system depression and liver toxicity. | Dogs, Cats |
| Propylparaben | Used as a preservative, can cause skin irritation and hormone disruption. | All pets |
| Rhododendron | Can cause vomiting, diarrhea, and lethargy. | All pets |
| Rhubarb (leaves) | Can cause kidney failure and poisoning. | All pets |
| Sago Palm | Can cause liver failure, vomiting, and death. | Dogs, Cats |
| Silicone Compounds (e.g., Dimethicone, Cyclopentasiloxane) | Can build up on the coat, leading to dullness and may cause skin irritation. | All pets |
| Sodium Chloride (Salt) | Can cause skin irritation and if ingested in large amounts, may lead to sodium ion poisoning. | All pets |
| Sodium Coco-Sulfate | Can cause skin irritation and allergic reactions. | All pets |
| Sodium Lauryl Sulfate | Can cause skin irritation and allergic reactions. | All pets |
| Sulfates (Sodium Lauryl Sulfate, Sodium Laureth Sulfate) | Can strip natural oils from skin and coat, causing dryness and irritation. | All pets |
| Synthetic Polymers (e.g., Polyquaternium-7, Polyquaternium-10) | Can cause skin irritation and are non-biodegradable, contributing to environmental pollution. | All pets |
| Talc | Can cause respiratory issues if inhaled and may contain asbestos. | All pets |
| Tea Tree Oil | Can cause toxicity, liver damage, and skin reactions. | Dogs, Cats |
| Theobromine (in chocolate) | Can cause toxicity, seizures, and death. | Dogs |
| Tobacco | Can cause severe poisoning, respiratory failure, and death. | All pets |
| Toluene | Can cause respiratory problems, skin irritation, and central nervous system issues. | All pets |
| Wisteria | Can cause vomiting, diarrhea, and lethargy. | All pets |
| Xylitol | Can cause insulin release, hypoglycemia, liver failure, and death. | Dogs |
| Yew (Japanese) | Can cause cardiac failure and death. | All pets |
| Zinc Oxide | Can cause vomiting, diarrhea, and central nervous system depression. | All pets |
