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"Remy hair has aligned cuticles, hair flows uniformly in one direction, which leads to less tangling and a silkier texture. This is high-value hair," says George Cherion, the company's chief executive.

For example, drought prompts plants to thicken the waxy cuticle layer on leaf surfaces.

The Outset Botanical Barrier Rescue Balm started out as a lip balm but I was using it on my cuticles and flyaways, so we made it enormous.

In insects, specific genes became specialised in muscles and in the epidermis for cuticle formation, contributing to their ability to fly.

It felt like dusk by 3:20 in the afternoon, and people cheered when just a cuticle of sun remained.