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Closer Connection
with Wellbeing
A New Era of Contraceptive Care
Designed by Science, Inspired by Nature.
Millions have stopped the pill
The Challenge


Fall of the Pill
From 2016 to 2022 there were
880,000 less NHS prescription.
Now ~70% of women aren't
using any contraception.
Data provided by (BPAS):
British Pregnancy Advisory Service

Rise in Abortions
In 2023 there were >250k abortions +17% increase from 2022 (BPAS).
1 in 3 women aren't using any contraception at all (BPAS) due to dissatisfaction from existing options.

Demand for
Hormone-Free Solutions
With fertility tracking apps making a recent appearance; the trend is clear.
The future is hormone-free with
72% of women wanting more
non-hormonal contraception choices (BPAS).

Our Mission

Introducing Seasilk®;
A hormone-free, vegan contraceptive gel.
Seasilk ® Contraceptive Gel is a medical device that provides safe, barrier-free intimacy without compromising your hormonal well-being.
Our team is a collective of visionaries who believe in pushing boundaries to create meaningful products with real-world impact.
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Samuel Shannon, MEng
Founder & CEO
With half a decade in the biopharmaceutical industry, Samuel has built a deep understanding of translating groundbreaking research into scalable manufacturing solutions.
Driven by a passion for impactful science, he is dedicated to developing innovations that alleviate suffering, enhance quality of life, and address pressing global public health challenges.

James Warren, PhD
Co-Founder & CTO
With over seven years of post-doctoral experience in biomaterials and regenerative medicine, James has built a strong foundation in academic research and IP commercialisation of medical devices.
At the Bragg Centre at the University of Leeds, he oversees the creation and development of our prototypes, driving innovation and ensuring their practical application
Seasilk Gel Technology

Revolutionising natural protection through pH balance

Seasilk ® contraceptive gel is a vaginal pH modulator which maintains the natural acidic conditions in the vagina during and after intercourse.
These conditions are naturally inhospitable to sperm and form a protective environment.

Organic Acids
01
These natural acids are found in the human body, they provide a gentle yet effective protection, promoting skin health and intimate comfort without harsh chemicals.
03

Salts & Acidity Regulator
Salts are balanced to ensure the osmolarity of our gel aligns with the human body to maintain hydration. Meanwhile an acidity regulator maintains our optimal pH range.

Vegan Binders
02
Vegan ingredients are expertly combined to form a stable gel, holding the active components while maintaining safety and effectiveness.

Preservative
As all ingredients are food-safe, so a medical grade preservative is included for a practical shelf life.
04
Commercial Roadmap


A clear path to revolutionize natural protection.
From Innovative Concepts to Impactful Solutions.
We're now progressing to pre-clinical testing, collecting data on safety, efficacy, and scalability, ensuring our product meets quality standards and regulations.
Early R&D
2024
Seasilk
Contraceptive Gel
TRL 3 & TRL 4
Pre-Clinical
Trials 2025
TRL 5
Phase I Clinical Trials 2026
TRL 6
Phase II Clinical
Trials2027
TRL 7
Phase III Clinical
Trials 2028
TRL 8
* TRL = Technology Readiness Level
Shape the future with Us

Register your interest to keep updated with Seasilk's progress & news!

Pioneering Women’s
Health Together
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