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Prestige set - softening shampoo 500 ml [argan+ oat]
- Argan and oat to soften and hydrate dry, damaged, color-treated, or curly hair
- Very gentle, pH-neutral (5.5), dermatologically tested; won't irritate sensitive skin
- Wheat protein, a natural keratin, for strength and volume
- 99% of ingredients of natural origin, free from silicones, parabens, SLS, SLES, and micro-plastics, vegan
- Includes a reusable 500ml glass bottle and two 25g sachets of powder, about 100 washes total
- 90% less packaging, shipping weight, and production energy than liquid shampoo
- Made in France
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This limited edition includes a 500 ml refillable glass bottle and 2 sachets of 25g for 500 ml of high-end shampoo
Enriched with wheat proteins, a natural-origin keratin, as well as argan and oat extracts, known for their nourishing and soothing properties, our softening shampoo makes dry, damaged and colored hair feel moisturized, rebalanced and more manageable.
Does not sting when in contact with eyes.

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Shipping & returns
Free shipping from €29.90. 14-day legal right of withdrawal, plus our 30-day money-back guarantee. Full shipping details.
![Prestige set - softening shampoo 500 ml [argan+ oat]](http://lessismore.co/cdn/shop/files/500_SHAMPOING.jpg?v=1781185040&width=1600)
Caring with full awareness
Concentrated by design. We ship 25 g of lightweight powder. You add approximately 225 ml of drinking water at home to make 250 ml of finished product. Keep the bottle and refill it when you need more.
Our shampoo is formulated without silicones, SLS, or colorants.
We keep the ingredient list short and choose each one for hair feel and scalp comfort.
Our refill sachet is lightweight and paper-based, designed to protect the powder until activation.
Bottles:
- 250 ml: made from 100% post-consumer recycled PET, designed to be refilled and reused.
- 500 ml: glass, designed for repeated use with Less is More powder refills.
Keep the bottle. Refill it with powder. Add water and use it again.
With just 25 g of powder, you get 250 ml of liquid shampoo, about 50 uses. More product, less packaging, per refill.
We believe in the quality of our products and in our customers’ satisfaction. If for any reason you’re not completely satisfied, you have 30 days to return your product, hassle-free. We’re committed to providing a risk-free shopping experience with a quick and simple return process.


A revolution: powder-based care, activated at home
Our concentrated powder formula contains only the essential active ingredients, which you simply activate with drinking water at home to make a high-performance shampoo.

Natural ingredients, care that respects you
Say goodbye to single-use plastic bottles and hello to a refillable system. Thanks to our reusable packaging, you reduce the need for a new bottle at every refill while enjoying a premium experience.

Care that lasts as long as your commitment
Imagine a shampoo that combines professional efficacy and simplicity. Every step, from formulation to packaging, is designed with radiantly healthy hair in mind.
Recognized and approved

"Reducing the active ingredients into powder - bravo for this French innovation."

"This shampoo changes our life!"

"A virtuous idea ! As sustainable as solids, as practical as liquids."

"Stylish, yet sustainable."
How does it work?
Less is More Shampoo vs. a conventional liquid format
25 g concentrated powder
Ready-to-use liquid
Added at the point of use
Already contained in the formula
Designed to be retained and refilled
Depends on the chosen liquid format
Lightweight paper-based sachet
Varies by brand and refill format
Ingredients of natural origin — see product details for our ISO 16128 value
Not stated — we avoid unsupported competitor comparisons
Your questions, our answers
Can I return a product if I'm not satisfied?
Yes, we have a money back guarantee and accept returns within 30 days of purchase. Find out more here
How do I mix the shampoo?
- Add water: Fill about 1/3 of the bottle with drinking water (preferably filtered).
- Pour in the powder: Add 25 g of powder into the bottle.
- Top up with water: Fill up to the shoulders of the bottle (225 ml of water for a total of 250 ml).
- Shake: Close the bottle and shake vigorously 10 times to mix well.
- Let it rest: Wait 20 minutes for the formula to activate.
- Shake again: Shake 5 more times to homogenize the texture.
Your shampoo is ready to use! It will reach its final texture within 24 hours.
How long does one shampoo refill last?
Each 25 g refill makes 250 ml of shampoo, giving you about 50 uses.
Is it suitable for a sensitive scalp?
Our mild formulations are formulated without SLS or silicones, making it suitable for sensitive skin.
Is it suitable for colored hair?
Yes. Our mild formulas protect coloured hair and let it shine, while taking care of your scalp.
Still have questions?
Take a moment to consult our FAQ and our values to see if you can find an answer there.
If you'd like to contact us, you can do so via our contact page.