Stimulate and strengthen hair with Long & Strong Super Serum for hair growth. The serum consists of an advanced formula developed to support healthier and fuller hair from the roots. This light serum is enhanced by biomimetic peptides that mimic the body's natural growth signals. It helps revitalise the scalp, prolong the hair growth cycle and reduce hair loss in the long term.
The Long & Strong routine was awarded a Dutch Beauty Award in 2026 in the category hair care.