
Shampoo Refill with Linden Flower and Birch Extract 500ml
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A Gloriously Sensible Way to Keep Hair Happy
Let’s face it—switching shampoos can be traumatic. If yours happens to be a fan of linden flowers and protests anything else, this 500ml refill is just the ticket. It keeps your cherished shampoo going strong and earns you a few bonus points with the planet. Clever, considerate, and no need to change anything that isn’t broken (emotionally or otherwise).
Why Choose Our Shampoo Refill?
- Refill Friendly: Tops up two standard shampoo bottles, so you can feel fabulously efficient and mildly smug.
- Feather-Light Foam: Cleanses gently while letting your scalp keep its dignity. Expect soft, shiny results with minimal drama.
- Fine Hair Friendly: Boosts body without ballooning into chaos, giving volume that’s more va-va-voom than haystack horror.
Product Details:
- Hair Growth Support: Nordic birch extract plays cheerleader to your follicles, encouraging circulation where it counts.
- Botanical Moisture: Aloe extract delivers hydration and soothing goodness courtesy of vitamins A, C and E.
- Better Hair Structure: Pro-Vitamin B5 adds elasticity and makes every strand behave a little better.
- Scalp Comfort: Linden flower extract is exceptionally gentle, like a well-buttered scone in shampoo form.
- Consciously Formulated: Vegan, cruelty-free and handmade without sulphates, parabens or anything difficult to pronounce.
Do the noble thing—replenish, refresh, and carry on with this delightfully responsible refill. Your hair will look marvellous and your conscience will feel rather good, too. Make the switch to smarter shampooing today.
SHIPPING + RETURNS
THE RATHER IMPORTANT BITS
This rather lovely piece ships directly from our brand partner - we work with independent brands who are absolutely brilliant and work frightfully hard to create beautiful things.
SHIPPING DESTINATIONS
Now, here's the thing - our wonderful brand partners ship to lots of different places, but not all of them can ship worldwide.
Some are brilliant at international shipping, others prefer to keep things closer to home.
At checkout, you'll see exactly where this particular brand can send your goodies.
We're terribly sorry, but shipping costs do vary rather wildly depending on where you are in the world. The exact figures pop up at checkout - no nasty surprises!
RETURNS
You have 14 days to return items.
Now, we absolutely adore our brand partners - they work incredibly hard and we do try to support them as much as we possibly can. So I'm rather afraid we have to pass the return postage costs back to you. Frightfully sorry about that!
🌍 PLEASE CHOOSE THOUGHTFULLY:
Our wonderful partners put their hearts into everything they make.
Ordering multiple sizes to try at home is rather hard on our planet and makes things jolly difficult for these brilliant independent creators.
When in doubt, do ask us first!
The brands we work with all have a chat option, and they love to chat!
PAYMENT
We're frightfully modern and accept all the usual suspects:
Visa, Mastercard, American Express, PayPal, Apple Pay, Google Pay, and Shop Pay
SECURE AS HOUSES
Everything's properly encrypted and secure - your details are safer than the Crown Jewels!
All prices in lovely British pounds £ GBP, though international chaps will see converted prices.
Any payment pickle? We're here to help sort things out! Contact us

We are Sostter
We met as children. Grew up a few streets apart. Built dens, rode bikes, and eventually — built Sostter.
It started with a shared love of objects that meant something…things with a past, or at least a purpose.
Now, Sostter is our grown-up version of a treasure hunt: a space where design meets storytelling.
We curate independent brands, one-of-a-kind finds, and everyday essentials with character.
Giving Back
We’re proud to support Sutton Night Watch, a grassroots UK charity making a real difference in the lives of those facing homelessness. Through regular donations of stock, supplies, and essentials, we back their mission to offer warmth, dignity, and practical help to anyone in need — right where it matters most.
Sell with us
Sostter partners with independent brands that intrigue, inspire, and bring something genuinely different to the world of fashion, design, and living. Join us!