Rhassoul Clay (Ghassoul): Morocco's Mineral Beauty Secret
Where rhassoul is mined, why it is different from other clays and how to use it on skin and hair.
One valley in the world
Rhassoul — also written ghassoul, from the Arabic ghassala, “to wash” — is a mineral clay mined in only one place: the Moulouya valley, in the folds of Morocco's eastern Middle Atlas, near Missour. It formed over millions of years from volcanic and lake deposits, and is dug from underground seams, then sun-dried in slabs.
Why it is not just “a clay”
Its main mineral is stevensite, a rare smectite. Compared with kaolin or green clay, rhassoul has a much higher capacity to absorb oil and to exchange ions, which is why it cleanses without foaming and without stripping. It is naturally rich in silica, magnesium, potassium and calcium.
On the skin
- Mix one to two spoonfuls with warm water (or rose water / floral water) into a smooth cream.
- Apply to face or body, leave 5–10 minutes — do not let it crack dry.
- Rinse. Skin looks matte and even, pores less visible, without the tight feeling a strong clay mask can leave.
On the hair
Moroccans have used rhassoul as a shampoo for generations. A thin clay milk massaged through the scalp lifts grease and product build-up, then rinses out leaving hair soft and full. Use it in place of shampoo once a week if your scalp gets oily.
In the hammam
After the scrub, a rhassoul or henna-and-argan mask is left on while you sit in the heat — the warmth helps the minerals work and the rinse-off is part of the pleasure. It is included in every YallaHammam pack.
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