Sumilayi: Natural Haircare That Actually Works
Your hair deserves more than just another bottle of chemicals pretending to be helpful. Sumilayi is the Finnish haircare brand making waves (and curls) with natural, sulfate-free, and deeply nourishing formulas that actually do what they promise. Whether your hair is curly, coily, wavy, or straight, this is clean beauty at its finest—created with high-quality, plant-based ingredients that strengthen, hydrate, and bring out your hair’s best self.
Why Sumilayi? Because Good Hair Days Shouldn’t Be Rare.
- 100% Natural & Free-From Nasties: No sulfates, silicones, or parabens—just pure, plant-based goodness.
- Designed for All Hair Textures: Whether you’re rocking curls, waves, or sleek locks, Sumilayi delivers serious hydration and definition.
- Ethical & Cruelty-Free: Made with sustainably sourced ingredients and never, ever tested on animals.
Explore the Sumilayi Collection
- Natural Haircare – Clean, effective haircare powered by botanicals.
- Hair Treatments & Masks – Intense hydration for hair that needs extra love.
- Independent Beauty Brands – Small-batch, thoughtfully crafted beauty products.
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About Sostter
A Curated Marketplace for Independent Brands
Sostter is a curated marketplace celebrating independent brands, design-led makers, and creative thinkers from around the world. We believe in design with purpose — where craftsmanship, creativity, and conscience meet.
Our team searches for exceptional pieces with a story to tell — fashion, homeware, jewellery, art, and beyond — all brought together in one considered space. Whether you’re discovering something new or supporting an ethical brand you love, every find here has been handpicked for its originality and integrity.
Explore our world of independent brands, crafted design, and conscious creativity — all in one place.