Ingredients
clay in a shampoo sounds unusual. most people associate clay with face masks, not haircare. but clay has been used for scalp treatment for centuries, and the science behind how it works is well-established. it's one of the most effective ways to address oily scalps without resorting to aggressive sulfate surfactants.
the moosh clay shampoo uses two types of clay: kaolin and bentonite. they work differently and they complement each other.
kaolin is a soft, white clay mineral — aluminium silicate, to be precise. it's one of the mildest clays available, which is why it's used in products for sensitive skin. kaolin works through a mechanism called adsorption (with a 'd', not a 'b'). it attracts and binds to excess sebum, dirt, and impurities on the scalp surface without pulling moisture from the skin itself. think of it as a selective sponge: it picks up what shouldn't be there and leaves what should.
this selectivity is what makes kaolin fundamentally different from sulfate-based cleansing. SLS strips everything — dirt, excess oil, and the protective sebum layer. kaolin removes the excess while preserving the baseline. the scalp doesn't feel stripped afterward because its protective barrier is intact. this means the scalp doesn't overcompensate with excess oil production, which is the main cause of the 'my hair gets oily by afternoon' cycle that many people experience with conventional shampoos.
bentonite is a different kind of clay — a swelling clay formed from volcanic ash. when bentonite contacts water, it expands and develops a slight electrical charge that attracts and binds to positively charged particles like toxins, heavy metals, and product buildup. in the context of a shampoo, bentonite provides a deeper purification than kaolin alone. it draws out impurities that have accumulated on the scalp from styling products, hard water minerals, and environmental pollution.
together, kaolin and bentonite create a two-layer cleansing system. kaolin handles the everyday excess — the daily oil and surface dirt. bentonite goes deeper — the buildup that accumulates over days and weeks. the combination means the clay shampoo functions as both a daily cleanser and a periodic clarifier, eliminating the need for a separate clarifying shampoo.
the volume effect is a direct consequence of how clay cleans. oily, buildup-heavy scalps produce flat, limp hair because the roots are weighed down by sebum and product residue. when clay removes this weight from the root area, hair naturally lifts. the volume isn't created by a polymer or a coating that puffs up the strand — it's the natural result of a clean, unburdened scalp. this is why we call it 'volume from a clean scalp, not from chemicals that puff up the strand.'
we pair the clays with panthenol (provitamin B5) and aloe vera extract to balance the clarifying action. panthenol attracts moisture, improves hair elasticity, and reduces irritation. aloe soothes the scalp and provides lightweight hydration. the result is a shampoo that purifies without any of the dryness or tightness that people sometimes associate with clay products.
the clay shampoo is designed for people whose scalps tend toward oily — people who wash their hair frequently because it looks flat or greasy by the end of the day. it's also excellent
after a week of heavy product use (dry shampoo, styling products, heat protectants) when you want a genuine reset without resorting to a harsh clarifying wash.
the scent — grapefruit, rosemary, and vetiver — was chosen to match the product's purpose. grapefruit is bright and energising. rosemary has a clearing, herbal quality. vetiver grounds it so the scent doesn't become shrill. the combination feels like a scalp reset not just physically but sensorially.
clay isn't a trendy ingredient. it doesn't have the marketing appeal of hyaluronic acid or the buzzword status of 'superfood' extracts. but it's been used for millennia because it works — and the way it works is fundamentally gentler and more intelligent than blasting your scalp with sulfates and hoping for the best.