Hibiscus: The Flower of Youth

A vibrant purple from tropical gardens, hibiscus is nicknamed the flower of youth. Its gentle fruit acids refine skin texture and revive radiance, while its mucilages support firmness — a gentle botanical anti-aging solution.

• The hibiscus used in cosmetics is the flower of Hibiscus sabdariffa (roselle), to be distinguished from the ornamental garden hibiscus (rosa-sinensis) and the rose of Sharon (Hibiscus syriacus).
• Its natural fruit acids smooth skin texture and revive radiance; it offers a gentle, more gradual exfoliation than synthetic AHAs.
• Its purple anthocyanins, the flower's pigments, provide recognized antioxidant benefits in botanical cosmetics.
• At NOPAL LIFE, we combine it with the nourishment of prickly pear oil, for a complexion that is both refined and nourished.

Hibiscus is a plant of the Malvaceae family, a cousin of mallow and hollyhock. The genus includes hundreds of species, from tropical trees to garden perennials, and its spectacular flowering — from soft pink to deep red, sometimes purple or nuanced with blue — has made it a cultivated flower from southern China to the warm regions of Africa and the West Indies. Each variety has its own shape: some form a compact shrub, others a small tree, and still others remain low-growing perennials that return each spring.

Not all species are alike, and this is where confusion often arises. The florists' hibiscus, Hibiscus rosa-sinensis, is the ornamental "Chinese rose" with glossy foliage, a shrub kept indoors in pots because it fears winter. The rose of Sharon, Hibiscus syriacus, on the other hand, is the hardy hedge shrub: it grows several meters high, loses its foliage in the cold season, and is pruned during dormancy to restart flowering. There is even a swamp hibiscus, Hibiscus moscheutos, a perennial plant that thrives in wet soils and near water. But the flower that interests us in cosmetics is another: Hibiscus sabdariffa, roselle, from which the fleshy calyxes are harvested after flowering.

These calyxes, dried and then extracted, yield the famous scarlet infusion — karkadeh — and the cosmetic extract. Their intense color is no accident: it comes from anthocyanins, plant pigments found in red fruits. Alongside these pigments, the flower concentrates natural fruit acids and mucilages — the raw material of its apparent virtues on the skin.

Hibiscus is a full-sun plant. Whether grown in a pot or in the ground in the garden, it requires bright exposure, rich and well-drained soil, and soil that never remains waterlogged. Hibiscus sabdariffa, our cosmetic species, is an annual shrub of warm climates: it is sown in spring, young plants are transplanted once the soil has warmed up, and then the warm season is allowed to do its work. Flowering occurs in late summer, and it is the calyxes that grow after the flower that are harvested.

The cycle differs depending on the variety. Hardy shrubs like the rose of Sharon spend the winter outdoors and are grown over several years: they are pruned during dormancy, their height is controlled, and the foliage regrows on the stem the following spring. Tropical hibiscuses, on the other hand, are kept indoors or under shelter as soon as the temperature drops, watered regularly but without excess water. Sowing, planting, care, pruning: cultivation practices vary from one species to another, but all seek the same reward — abundant and colorful flowering.

Althaea (Hibiscus syriacus) — the most common hedge shrub in our climates. Hardy, it tolerates winter in the ground, grows to two or three meters high, and is covered with pink, mauve, white, or bluish flowers from summer to early autumn. It is pruned during dormancy to densify its foliage and flowering. This is the ultimate garden hibiscus, with no cosmetic use.

Chinese hibiscus (Hibiscus rosa-sinensis) — the tropical hibiscus with glossy foliage and large, vibrant flowers, from red to bright pink. Sensitive to cold, this plant is grown in pots indoors or in a conservatory, in the sun and protected from cold. Superb as an ornamental, it is not used in skincare either.

Swamp hibiscus (Hibiscus moscheutos) — a spectacular perennial with immense flowers, which likes cool soils and water edges. It disappears in winter and regrows from the stump in spring.

Roselle (Hibiscus sabdariffa) — the only one we use in cosmetics. This hibiscus from warm regions is sown in spring; its upright stems bear large, lobed leaves, and it is its red calyces, harvested after flowering, that provide the extract for our radiance skincare products.