Introducing Mason Grant’s “Oh Arthur” Vegan Shampoo Bars for Dogs
Natural, Nourishing, and Tail-Waggingly Effective
Dog owners know the struggle: muddy walks, mystery odours, and the dreaded fox poo. Thankfully, Mason Grant’s “Oh Arthur” range of vegan shampoo bars is here to make bath time easier, greener, and more effective. With three specialised options – Swamp Dog, Sleek Dog, and Delicate Dog – there’s a bar for every breed, coat type, and adventure level. Are you ready to find out the benefits of Shampoo Bars for Dogs?
Each shampoo bar is handmade with a nourishing oat and shea butter base, enriched with carefully chosen essential oils that provide a range of benefits for your dog’s skin, coat, and overall well-being. And with a convenient refill option, Mason Grant helps you reduce waste while keeping your pup pristine.
Why Shampoo Bars Are Better for Your Dog (and the Planet!)
Switching from a liquid shampoo to solid shampoo bars offers more than just convenience:
- Plastic-Free & Sustainable: No more plastic bottles cluttering your bathroom. With refill bars, you can reuse your storage tin and cut down on waste.
- Mess-Free Bathing: No slippery bottles or excess liquid — just a solid bar that fits neatly in your hand. It’s easy to lather, apply, and rinse out.
- Gentle, Natural Ingredients: Made with vegan, cruelty-free ingredients, these bars are gentle on sensitive skin, leaving your dog’s coat soft and fresh.
- Better Rinseability: Unlike liquid shampoos, these bars rinse out quickly, reducing bath time stress for you and your pup.
The “Oh Arthur” Line-up: Three Tailored Solutions for Every Dog
🐾 1. Swamp Dog – The Odour Buster
- Base: Oat & Shea Butter
- Key Ingredients: Coconut Oil, Lemongrass, Eucalyptus
If your dog loves rolling in the stinkiest of things — fox poo, anyone? — Swamp Dog is the superhero you’ve been waiting for. Its powerful essential oils are specifically chosen for their antibacterial, odour-neutralising, and cleansing properties:
- Lemongrass: Naturally antibacterial and antifungal, lemongrass targets the source of bad smells and neutralises them, leaving behind a fresh, citrusy aroma. Lemongrass can also help repel fleas and ticks.
- Eucalyptus: This essential oil has antimicrobial properties, helping to break down dirt, grease, and tough odours like wet dog smell. It also helps prevent your dog’s coat from reabsorbing strong, unpleasant scents.
- Coconut Oil: Deeply moisturising, coconut oil nourishes your dog’s skin while adding shine to their coat. It also has mild antibacterial properties.
Why Dog Owners Love It:
“Just purchased and used this for the first time on Ryeli as our dog walk today turned into a little bit of a muck fest! Safe to say I actually preferred using this soap bar than the liquid shampoos you can get, and it was much easier to rinse out of his coat. Smells great, it’s got rid of that nasty wet, muddy dog smell, and it comes in its own little tin so it doesn’t mess up your bathroom sides. Fantastic purchase… Highly recommend Mason Grant and their ‘OH ARTHUR’ range!” – Wendy, Website Review. Read more reviews over on Trustpilot

If your dog is a “swamp monster” in disguise, Swamp Dog will turn them back into the lovable pup you know and adore.
🐾 2. Sleek Dog – The Shine Enhancer
- Base: Oat & Shea Butter
- Key Ingredients: Coconut Oil, Vitamin E, Rosemary, Cedarwood
For short-haired breeds or dogs with naturally glossy coats, Sleek Dog is the ultimate grooming essential. This bar is designed to maintain smoothness, reduce shedding, and add shine. The essential oils have been chosen to promote healthy skin and a radiant, silky coat:
- Rosemary: A natural antioxidant, rosemary promotes circulation to the skin, encouraging healthy hair growth and reducing dandruff. It also leaves behind a subtle fresh, herbal scent.
- Cedarwood: Known for its calming effects, cedarwood helps to relieve itchiness and soothe dry, irritated skin. It also acts as a natural pest deterrent, warding off fleas and ticks.
- Vitamin E: A nourishing powerhouse, Vitamin E conditions and strengthens the coat, promoting softness and shine.
- Coconut Oil: Deeply moisturising and antibacterial, coconut oil supports a healthy, smooth coat while also helping to combat minor skin irritations.
Why It’s Perfect for Sleek-Coated Dogs:
- Keeps the coat glossy, smooth, and tangle-free.
- Reduces itching and irritation, promoting skin health.
- Infused with natural essential oils to leave a subtle fresh, herbal scent.
If your dog is known for their sleek, smooth coat, Sleek Dog will keep them looking (and smelling) fresh from snout to tail.
🐾 3. Delicate Dog – The Skin Soother
- Base: Oat & Shea Butter
- Key Ingredients: Vitamin E, Chamomile, Myrrh, Lavender
Sensitive dogs need a little extra love, and Delicate Dog is crafted with care to ensure bath time is gentle and soothing. This bar is ideal for pups over 6 months, older dogs, or dogs with allergies or sensitive skin. Each essential oil has been carefully selected for its calming and skin-loving properties:
- Chamomile: Well-known for its calming effects, chamomile soothes irritated skin, reduces redness, and promotes relaxation.
- Myrrh: This ancient ingredient is revered for its antibacterial and anti-inflammatory properties, which help to heal and protect the skin from minor cuts, rashes, or irritations.
- Lavender: Calming for both dogs and humans, lavender helps to reduce anxiety during bath time while offering natural antibacterial and antifungal benefits.
- Vitamin E: Packed with antioxidants, Vitamin E deeply conditions dry skin and restores softness to damaged coats.
Why Delicate Dog Stands Out:
- Soothes sensitive, itchy, or allergy-prone skin.
- Perfect for dogs with anxiety or those who dislike bath time.
- Leaves a very subtle light, calming scent, making bath time a more relaxing experience.
If your pup has delicate skin, Delicate Dog offers a nurturing, soothing cleanse that leaves them feeling fresh and calm.
Why Choose Mason Grant’s “Oh Arthur” Range?
- Refillable Design: Each shampoo bar can be purchased as a refill, allowing you to reuse your tin and reduce your carbon pawprint.
- Vegan, Natural, and Kind to Skin: With no harsh chemicals, these bars are perfect for sensitive skin, allergy-prone pups, and earth-conscious owners.
- Essential Oil Power: Carefully selected essential oils offer powerful cleaning, soothing, and coat-enhancing properties. From the antibacterial power of eucalyptus to the calming benefits of lavender, each bar is a thoughtful blend of nature’s best ingredients.
- Easy-to-Use, Mess-Free: With no messy bottles or awkward pouring, the bars fit comfortably in your hand and lather easily, making bath time stress-free for you and your dog.
Which Bar Should You Choose?
- If your dog loves rolling in stinky stuff: Swamp Dog
- If your dog has a sleek, shiny coat: Sleek Dog
- If your dog has sensitive, delicate skin: Delicate Dog
With Mason Grant’s “Oh Arthur” range of Shampoo bars for dogs, you’ll never have to battle with bottled shampoo again. Whether it’s the odour-busting Swamp Dog, the shine-enhancing Sleek Dog, or the sensitive-skin saviour Delicate Dog, there’s a bar for every canine companion.
Ready to make the switch? Your dog (and the planet) will thank you. 🐶🌿
Shop “Oh Arthur” Shampoo Bars for Dogs Here
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