Horsetail

This primitive plant has a rich and complex composition, which makes it a classic ingredient in pharmacopoeia. Its richness in silicon – an element involved in the formation of collagen, which builds the skin's support tissues – gives it excellent firming properties. Both invigorating and purifying it also contains tannins and saponins – astringent molecules that tighten pores. Horsetail is therefore known to promote tissue firmness and elasticity while maintaining a good level of hydration in the upper layers of the skin.

Horsetail

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