The niche French fragrance house behind the scent loved by A-listers, including Demi Moore and Amal Clooney

Collage of photos (L-R) of Demi Moore smiling, hand holding Parfums de Marly Delina hair perfume in front of red roses and image of Amal Clooney smiling, on a white marble background with green and pink designs.

Many of us dream of cloud of perfume behind us as we walk into a room, but sometimes a fragrance doesn't quite cut it, that's where hair scents come into play – and they're one of Hollywood's best kept secrets.

Often disregarded as a non-essential purchase, hair perfumes can be overlooked but they actually boast stellar fragrance-boosting benefits. These hair aromas harness the power to bolster your best perfume for women and can even be powerful enough to be worn on its own for a long-lasting perfume scent.