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DOUXO® S3 PYO Mousse is antiseptic and antifungal for the topical management of skin infections.  This cleansing and hydrating mousse is a leave-on formula for longer-lasting action.  

DOUXO®  is the #1 non-prescription topical product used and recommended by U.S. veterinarians for dogs and cats with infections/inflammatory dermatological conditions.1

DOUXO® S3 PYO Mousse contains chlorhexidine for antiseptic cleansing.  

DOUXO®  S3 PYO Mousse and Shampoo are clinically proven.

DOUXO®  S3 PYO Shampoo and Mousse have proven activity on Malassezia pachydermatis in vitro.2

DOUXO®  S3 PYO Shampoo and Mousse have been shown to decrease mean bacteria and yeast counts on dogs after 14 days.3

After using DOUXO®  S3 PYO Shampoo and Mousse, 100% of dog owners were satisfied with the mousse aesthetics and found the protocol practical.2

DOUXO® S3 PYO Mousse also:

  • Helps support the skin's physical barrier for supple, hydrated skin
  • Helps support the microbial flora for healthy skin
  • Helps soothe irritated skin  

The mousse can be used on the entire body or applied on small (localized) areas such as skin folds, paws, etc.

FREE from controversial ingredients.

DOUXO®  S3 products are free from:

  • Soaps
  • Sulfates
  • Parabens
  • Phthalates
  • Colourants
  • Nanoparticles

DOUXO®  S3 PYO Mousse has a hypoallergenic fragrance and adjusted pH.  It was formulated and tested by veterinary dermatology experts.


DOUXO®  S3 PYO shampoo and mousse are meant to be used together in a clinically proven and consumer-friendly protocol.  Apply to a brushed, dry coat.  First, gently massage onto the problem area until the mousse reaches the skin.  Repeat this action all over the body, avoiding the eyes and mouth.  Do not rinse, let air dry.   Brush for a shiny coat.  Use DOUXO®  S3 PYO Shampoo to clean the skin if needed.

  • Dogs < 13 lbs  1 pump per 2 lbs
  • Dogs > 13 lbs   1 pump per 4 lbs
  • Double the dosage for long and/or thick fur.

Note: Approximately 200 pumps per bottle

Available Size:

  • 150 mL (5.1 fl oz)

*Chlorhexidine can cause rare, but serious allergic reactions in humans.  If you experience allergy symptoms, discontinue use immediately and seek medical treatment.  Do not use DOUXO® S3 PYO Mousse on cats.  

1.  BIO’SAT Quantitative Study of 250 veterinarians geographically representative of North American practices.   Dermatology Products for Cats and Dogs Among Veterinary Practitioners.  October 2018.

2.  Data on file.

3.  Gatellet M., Kesteman R., Blondel T.,et al. (2020). Performance of a combination of Ophytrium-containing shampoo and mousse applications in the management of sensitive skin in dogs: intermediate results of a field study. 14th UNISVET national congress. Milan, Italy.

Others presentations


DOUXO®  S3 PYO is for dogs or cats with bacterial or fungal skin infections.  It cleans while hydrating the skin.  It detangles the fur and leaves the hair coat soft and shiny.  

DOUXO® is the #1 non-prescription topical brand used and recommended by U.S. veterinarians for dogs and cats with infections/inflammatory dermatological disease.1