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Haircare

Skincare

Assorted bathing bars with skincare ingredients and a towel on a neutral background

Bath + Shower

Fur and Skincare Bundle for Dogs - The Cornish Seaweed Bath Co.

Pups

Renewal Bio-Active Moisturiser jar with fresh botanical ingredients for deep hydration and skin rejuvenation.

Support Your Skin’s Natural Collagen Renewal 

Seaweed-powered formulas that strengthen your skin’s natural collagen, restoring firmness, hydration, and elasticity.

60 Day Risk Free Refunds
14,000+ Verified 5 Star Reviews
Judge Me Verified

"Your products have made such a difference. My skin now feels plumper, smoother, and much more radiant.”

Stimulates Collagen Renewal

Protects Against Collagen Loss

Hydrates & Nourishes Deeply

Smooths, Firms & Restores Radiance

Soothe, Strengthen & Renew Mature Skin - Naturally

These nurturing skincare sets are crafted to support collagen renewal and enhance plumpness, smoothness and radiance.

Renewal Bio - Active Moisturiser - The Cornish Seaweed Bath Co.

Did you know?

From your mid-20s, your natural collagen levels decline by about 1% every year

The challenge? Most creams with collagen don’t work - the molecules are too large to penetrate beneath the skin's surface. Supplements? They are usually broken down in digestion before they even reach your skin.

That’s why we created Collagen Boosting Seaweed Skincare. Our seaweed actives and botanicals stimulate your skin’s own collagen production - for firmer, smoother skin that strengthens itself over time.

Why Seaweed Works Where Others Don’t

The marine superfood that strengthens, protects and nourishes your skin from within.

A woman applying natural face moisturizer with skincare products nearby.

Stimulates Collagen Production

Naturally rich in vitamin C and fucoidan, seaweed helps stimulate and stabilise collagen production.

Feeds Skin With Collagen Amino Acids

Amino acids like glycine and proline in seaweed supply the raw materials your skin needs to rebuild strong collagen structures.

Renewal Bio-Active Moisturiser jar with fresh green leaves, highlighting natural hydration and skin rejuvenation benefits.

 Shields Existing Collagen

Antioxidants including polyphenols and flavonoids defend against daily skin stress and environmental damage, and prevent collagen breakdown.

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Nourishes With Minerals

Zinc, magnesium, and selenium support skin repair, hydration, and long-term collagen health.

Thousands Of Happy Customers

"I’ve been a loyal user of a marine-collagen cream for years but decided to try the Bio-Active Moisturiser from the Cornish Seaweed Bath Company for a change. After using it for a month, I’m really impressed so far.The texture is fantastic—light yet nourishing—and it absorbs quickly without feeling greasy. My skin feels refreshed and hydrated every time I use it. While it’s still early days, I’m optimistic about how it’s working for me. It’s a great option if you’re looking for a quality moisturiser with natural, marine-based ingredients.Looking forward to seeing the longer-term results!" Julia

Melanie

"Amazing moisturiser that really works. My Cornish Clotted Cream for the face I have only been using it a very short while and has made a difference to my fine lines and blemishes leaving my complexion silky smooth and well nourished while making me look years younger. Definitely a go to product every time. Worth every penny."

Jax

"I've been using various different face oils for about the last 30 odd years. After reading the reviews for the Super Nutrient Face Oil, I ordered and gave it a try. Wow, this oil is amazing. Wake up in the morning with smoother plumper looking skin. My face looks, dare I say more, youthful and brighter. All without moisturiser on top. Truly amazing, this will now be my forever face oil. Many thanks for making it."

Susan

"I use the Bio-Active moisturiser with the eye gel, facial oil & my skin has visibly improved & feels better than it has done in years! The moisturiser is light & easily absorbed & smells divine. Along with the haircare set & organic body oil, I feel I am using the best products for my hair & skin. My hair feels softer & I am not losing as much hair when shampooing. Wonderful products"

Janice

"I cannot recommend enough the Renewal Bio-Active Moisturiser. Oh my, not only is ut an absolutely fantastic product, but it smells and feels divine. 🥰 I absolutely love the texture and feel of this cream on my face and it has made such an amazing difference to both my face and neck area.I would fully recommend it to anyone."

Debbie

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Save Up to 48% With One Of Our Collagen Boosting Bundles

Made in Cornwall 

Since 2013, we've been formulating and producing our unique skin and haircare here in far West Cornwall, centered around our main ingredient - Organic Seaweed.

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Nothing Bad, Just Good.

Powered by Seaweed

All Natural Formulations

Made in Cornwall

The Cornish Seaweed Bath Co. 52770996387 main PRODUCTION 179829997950 page.collagen2697027166590