4.5/5 | 65 Reviews

Daily Intimate Serum

15ml

£32.00

Fights bad bacteria like UTI causing E.coli

Moisturises and soothes intimate skin

Perfect for menopause, hormonal changes

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£32.00

Zoe, 22

August 2024

I'm no longer dry down there, sex feels amazing, I don't experience irritation that leads to UTIs most of the time.

Laurena, 75

August 2024

I've been antibiotic free for two months and live with my fingers crossed each day in gratitude that I feel mostly and almost normal again.

Martilor

March 2025

Been using this product for two months, and have to say it is making my life so much easier. I struggle with reoccurring UTI’s and Lichen Sclerosis both which seem to have improved over the last two months. I use P.Happi twice daily and plan to continue to use.

Moni

April 2025

I had months of e.coli and klebsiella bacterial infection. This product could be a game changer for many women suffering with bacteria down there.

Sue, 67

February 2024

I am pain free and becoming UTI free which is a miracle. I think all women who are struggling with vaginal issues can benefit from this wonderful little serum and enjoy life again.

Audrey

March 2025

My 98yr old Mum who has been nuked by endless antibiotics for repeated UTIs has now found relief from your product and hasn’t been on antibiotics for a few months.

Shields from bad bacteria

B.Y.M.® 1405, the bacterium in P.Happi, protects from Gram-negative bacteria such as E.coli

Moisturises dry skin

The serum is highly moisturising and keeps the vulva and entire intimate area feeling comfortable all day long

Balances the microbiome

Regular use helps to maintain a healthy balanced intimate microbiome

Uses a unique ingredient

Our proprietary ingredient, B.Y.M.® 1405, protects from bad bacteria and leaves the good bacteria to flourish

Microbiome friendly

Supports the good bacteria and balance of the microbiome

Suitable for sensitive skin

Dermatologically tested and certified suitable for sensitive skin

Clean formula

It is water and fragrance free and made without hormones, glycerin or fillers

Use P.Happi® daily to proactively support your microbiome, your body's natural defence. Keep it balanced, protected, and thriving over time with regular use.

P.Happi is designed for women at all life stages who experience recurring or persistent intimate discomfort. It is especially beneficial for those seeking extra support when their intimate microbiome is vulnerable or imbalanced, including during:

Menopause
Post partum recovery
Antibiotics use
Sexually active
Periods of high stress

P.Happi helps restore and protect the natural balance of the intimate microbiome when it needs it most.

P.Happi® offers a sustainable antibiotic free solution by stopping bad bacteria from reaching the vagina or bladder.

Tested during a blind study with 59 women:

93%

said dry intimate skin felt moisturised

71%

felt protected in the intimate area

78%

noticed better results compared to other solutions

Apply twice daily to the external intimate skin with a clean finger, from front (vulva, labia) to back (perineum).
For optimal protection make part of your morning and evening routine.
If you apply a topical Oestrogen on your vulva please leave 2-3 hours before applying P.Happi to the same area.

Download Instructions

For external use only. Not suitable for children under 3 years old. Stop using the serum if irritation occurs. Wash hands after use. Do not apply to broken skin. Once opened P.Happi® should be stored in a cool, dry place.

B.Y.M.® 1405 (Bdellovibrio bacteriovorus) – A natural bacterium that targets harmful Gram-negative bacteria, like E.Coli, breaking them down, supporting to protect and reset your body’s natural defences.

Dimethicone/Vinyl Dimethicone Crosspolymer – Creates a breathable, protective barrier on the skin, providing moisture and making it ideal for sensitive skin.

Dimethiconol – A lightweight ingredient that smooths and softens, ensuring a silky feel and smooth application while promoting healthy skin.

Each ingredient in P.Happi® works together in harmony to support and protect your intimate microbiome, giving you a balanced and healthy barrier over time.

Trusted By Expert Clinicians

"Traditional treatments often rely on antibiotics, which can disrupt natural flora and lead to recurrence. P.Happi offers a promising, non-disruptive alternative—supporting the body’s own protective bacteria without broad-spectrum antimicrobials. It meets a genuine clinical need for sustainable, microbiome-friendly care in women’s intimate health."

Dr Phillip Hay

Consultant in Sexual Health at Guys & St Thomas' NHS Foundation Trust

"I'm excited by this innovative product. It addresses a critical need for women-centred solutions that support a healthy microbiome across the life course, from adolescence to post-menopause. This could reduce reliance on traditional treatments for conditions like recurrent UTIs, empowering women at every stage"

Dr Rhiannon Bray

Consultant Urogynaecologist, New Victoria Hospital

"This innovative product fills a gap...By promoting a healthy microbiome it may reduce our reliance on traditional approaches..."

Mr Sachin Malde

Urological Surgeon at Guy's and St Thomas' Hospital

"I am passionate about encouraging patients to recognise the importance of a healthy microbiome...Use of a cream, which helps to reduce the bad bacteria without harming the good ones, is surely a step in the right direction..."

Dr Catriona Anderson

MBCHB, BSC (HONS), MRCGP, DFSRH

"There is a pressing need for innovation in this space to develop more women-centred solutions to ultimately optimise women's wellbeing and quality of life"

Professor Nick Panay

MD, BSC, MRCOG, MFSRH, Consultant, Gynaecologist

Created By Scientist & UTI Sufferer,

Dr Chiara Board

We have been there! With P.Happi you are supported by a team who cares

"I suffered from 10 UTIs in one year. Fed up with explaining yourself, nothing works, and ending up with solutions you don’t want to take? I have been there, and this inspired me to start P.Happi."

A Completely New Approach

Backed By Science

How It Works

Application Method

Made With Live Bacteria

Target Area

Targets broad

range of bacteria

Microbiome support

£/Price per day

Stops bacteria getting

into the intimate area

Targets the root cause

Topical

Protects the whole intimate area

Yes

Range of Gram-negative

89p

D-MANNOSE

Stops bacteria sticking

to bladder wall

Flushes them out

Oral

Bladder

Mainly E.coli

66p - £2.29

PROBIOTICS

Adds good bacteria

to the vagina

Oral

Vagina

Do not selectivey impact pathogens

79p- £1.30

MOISTURISERS & LUBES

Moisturises dry skin

Topical

Vagina

75p

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Why Supporting the Intimate Microbiome Changes Everything

Real Results

Join thousands of women already feeling the benefits of using P.Happi

Great for menopause

"I suffered recurrent UTI’s for nearly 30 years but everything I tried had no impact until I tried P.Happi. I had one UTI when I had a break from using it but six months on I have not had another. It also helps to keep the vulval area very moist especially through menopause and afterwards when vaginal atrophy can cause extreme dryness. I would not hesitate to recommend it."

Verified customer

July 2024

Holy grail product for women suffering with thrush symptoms

"After 3 years of trying multiple supplements, probiotics, GP visits, private consultations - you name it I've done it. Fortunately I've found P.Happi and I'm finally having the longest symptom-free stretch."

Kate

Sept 2024

I have struggled with UTIs

"I knew it was special and something now I feel lucky to use everyday. I have struggled with UTI and infections and this product definitely somehow helps the microbiome. I recommend it highly I wouldn't be without it."

Laurena

Oct 2024

I struggle with recurring UTIs

"Been using this product for two months, and have to say it is making my life so much easier. I struggle with reoccurring UTI’s and Lichen Sclerosis both which seem to have improved over the last two months. I use P.Happi twice daily and plan to continue to use."

Martilor

Apr 2025

Chronic UTI flare ups

"I have been using this product for a couple of months now as I am suffering from a chronic UTI and I think it has been helping to reduce flare ups. I use it every day and it gives me a sense of relief knowing that I am doing something good for my microbiome :)"

Alice

Apr 2024

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FAQs

Go to Help Center

P.Happi® is for women at all life stages in particular women who have issues caused by disruption to the intimate microbiome susch as itching, dryness, odour and irritation.

Yes, P.Happi® aims to give you the extra protection while your microbiome is suffering during antibiotic use. It's great for active microbiota management during and after antibiotic use to strengthen your natural defences. Note that while B.Y.M.® 1405 is a bacterium, different antibiotics can impact B.Y.M.® 1405 differently.

Yes you can! P.Happi® is a non-hormonal serum meaning you are able to use it together with hormone based treatments.

Yes you can use P.Happi® if you are trying to conceive including going through IVF. The serum is externally applied and should not impact sperm. It can also help to make things more comfortable during this time by supporting your microbiome.

It is always best to consult your clinician first.

Each bottle of P.Happi® contains enough for twice daily use for one month (60 applications). Once opened P.Happi® should be stored in a cool, dry place and used within six months.

Our convenient subscription service ensures you always have a fresh bottle of P.Happi® and never run out. Pick how often you would like to receive your bottle and we'll send it out to you automatically. You can pause or skip if you have too much or cancel anytime without fees.

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Daily Intimate Serum

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