Got any burning questions?

Get answers to frequently asked questions below. If you can't find the answer you're looking for then please contact us at and we'll be happi to help!


How do I use P.Happi®?

With the bottle standing upright apply one pump to the vulva, labia and perineum area (front to back to avoid contamination). For optimal protection make part of your morning and evening routine.

When you first open and use the bottle you will need to pump a few times. This is due to the filling process. We like to avoid leaks when we're filling the bottles with 20g of P.Happi®!

When should I use P.Happi®?

We recommend you use P.Happi® daily to maintain protection.  Use during higher risk times when you are more sexually active, stressed or traveling a lot. For example periods of sexual activity or when traveling.

I forgot to apply the serum. What should I do?

Simply make a note on your calendar of the times or days when you forgot to apply the serum and continue applying it as usual from then on. You do not need to apply it multiple times to make up for a forgotten application.  Remember, P.Happi® is most effective when applied every morning and night.

I got my period. Should I continue applying the serum and testing my urine?

No problem! Continue applying the serum even when you have your period. 

Who can use P.Happi®?

Everyone over the age of 18 who is not pregnant or breast feeding can use P.Happi®. Further studies are planned so that everyone can use it. P.Happi® is especially suitable for women who suffer from recurrent symptoms. 

Can pregnant women use P.Happi®?

We have not done studies with pregnant women yet and so we do not currently advise pregnant women to use P.Happi®.

Where can I buy P.Happi®?

You can buy P.Happi® directly from

P.Happi® is also available to buy at selected pharmacies across the UK. You can find your nearest stockist here.

How long does it take to feel an improvement?

While some users notice the effects right away it can differ from person to person.

As the microbiome is complex, the timing can vary and isn't always guaranteed. 


Is P.Happi® suitable for vegetarians?

P.Happi® is vegetarian friendly!

What does P.Happi® smell like?

P.Happi® is fragrance free! We haven't added a fragrance to the serum to avoid any irritation this may cause and keep the product as natural as possible. Some users have noticed an earthy scent. This comes from the natural ingredient B.Y.M.® 1405 but this fades after application.

Why do you use silicones in the serum and are they safe?

We use silicones in our product to create the stability and consistency of the serum that you love! Silicones have been proven to be safe for use in care products for decades.

There isn’t currently an alternative that we can use in place of silicones that will provide the same level of functionality, quality and safety we want. We will however continue to research and develop our products ensuring the quality of our ingredients. Please consult a doctor if you have a specific allergy to silicones.

Is P.Happi® Ph friendly?

P.Happi® is water free and is proven to be microbiome friendly hence does not negatively impact Lactobacilli which is important for your intimate Ph.


How is P.Happi® tested?

We carry out lots of studies in our own lab and third party labs. P.Happi® is dermatology tested including tested on sensitive skin. We have conducted clinical tests and ongoing microbiome studies with women suffering from recurring issues. These are externally verified  by a third party.

Is P.Happi® cruelty free?

Yes it is. P.Happi® is not tested on animals, it has no GMO and is free from animal components.


Is P.Happi® sustainable?

P.Happi® is made in the UK to avoid any extensive shipments and thus to maintain a lower carbon footprint.

Our delivery packaging is made with recycled cardboard and can be recycled in your home recycling.

Is your bottle safe?

Our packaging materials are compliant with Regulation (EU) No. 10/2011 on plastic materials. The plastic materials do not contain any substances listed in Annexes II and III of the EU Cosmetics Regulation (1223/2009).