DOUXO S3 PYO Combo Set – Antibacterial Dog Shampoo & Mousse, 2-Pack

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Experience the Benefits of DOUXO S3 PYO Dog Shampoo

Help your dog find relief from irritated, itchy skin with the DOUXO® S3 PYO Combo Set — the #1 veterinarian-recommended topical brand for skin health. This dual-action set includes the DOUXO® S3 PYO Shampoo (6.7 oz) and DOUXO® S3 PYO Mousse (5.1 oz), designed to cleanse, soothe, and protect your dog’s skin barrier with gentle yet powerful ingredients.

Veterinarian-Recommended Skin Care

  • Trusted and prescribed by vets to support dogs with skin issues caused by bacteria or yeast.
  • Formulated with Ophytrium™, a natural ingredient that helps restore the skin’s ecosystem and reinforce its defenses.
  • Free from soaps, sulfates, parabens, dyes, and nanoparticles.

Two-Step Skin Relief System

  • Step 1 – DOUXO S3 PYO Shampoo: Start with a cleansing shampoo in the first week to remove dirt, excess oil, and debris while soothing irritation.
  • Step 2 – DOUXO S3 PYO Mousse: Continue care with a leave-on mousse three times per week to extend the shampoo’s effects and provide long-lasting protection.
  • Helps manage skin imbalances and maintain healthy skin microbiota for your pet’s comfort and confidence.

Safe, Effective, and Easy to Use

  • Suitable for dogs of all breeds and coat types.
  • Fragrance-free and pH-balanced for sensitive skin.
  • Do not use the mousse on cats.

Includes: 1 Bottle DOUXO® S3 PYO Shampoo (6.7 oz) + 1 Bottle DOUXO® S3 PYO Mousse (5.1 oz)

Antibacterial Properties for Healthier Skin

The DOUXO S3 PYO formula contains antibacterial properties that help maintain skin health. These properties combat bacteria and yeast that can cause skin infections, making it an excellent choice for dogs prone to skin issues. Regular use of this dog shampoo can promote a healthier coat and reduce skin problems, so your dog feels comfortable and happy. Moreover, the mousse included in the set provides deep hydration, enhancing the effects of the shampoo.

Wags & Whiskers Pet Supply — Where Every Pet Is Family.


How long will it take to ship my order?

Your order will be shipped within 3-8 business days.

How much does it cost?

We offer free trackable shipping on select items.

Shipping rates for partner brand items and international orders may vary and will be calculated at checkout.

Where is my order shipped from?

Big Frenchies apparel is shipped in plastic-free packaging directly from our Virginia facility. Items from our partner brands may have different packaging and can be shipped from any of their fulfillment locations worldwide.

How long does shipping take?

USA: 3-8 business days
CA, AUS, UK, and Europe: 5-21 business days
Rest of world: 5-25 business days

As a small family-owned business, we thrive on your feedback, so it's vitally important for us to make sure you're happy with your purchase.

Our return policy is simple: You have 30 days from delivery to request a return or exchange for most products shipped within the United States.
Customers are responsible for return shipping costs unless the return is due to a defective product. Learn more about our full return policy.

Please note:

  • Returns are only available for US orders. International orders are final sale.
  • For health and safety reasons, personal care items (like baby creams, shampoos, balms, sunscreens, and lotions) and food products cannot be returned once opened.
  • Custom and handmade items are final sale and cannot be returned or exchanged, as they are crafted specifically to order.
  • A restocking fee may apply to certain eligible returns. If applicable, this will be communicated upon return authorization.

You can reach out to our customer support team by submitting your request via the "Contact Us" form or by emailing us at support@bigfrenchies.com. A member of our support staff will respond to you as soon as possible.

We'd love to hear from you!
The best way to reach us is via email: support@bigfrenchies.com.

Have questions about sustainability, shipping, return, exchange or something similar?

Check our FAQ page.

What Makes Our T-Shirts Special?

Making a Difference

By choosing organic cotton clothing, you are using 50% less water, 50% less energy, and 46% less CO2. By choosing Big Frenchies, you are also planting a tree with every order.

Ethically Made in USA

We strongly oppose child-labor, and that's why all of our products are proudly made in USA by a small, family-owned business.

Designed in France

Our unique designs are created in Paris, so you will feel the French love every time you wear our clothing.

GOTS-Certified Organic Cotton

From seed to shelf, Big Frenchies' entire supply chain is inspected by a third-party auditor to ensure that all suppliers are adhering to GOTS standards.

Non-Toxic

The cotton we use is grown by organic farmers in an environmentally-friendly way, free of toxic chemicals.

Amazingly Soft & Durable

With no chemicals to weaken the fibers, our organic cotton clothing is more durable and softer than conventional cotton clothing, which makes it a great choice for people with sensitive skin.

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