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Earlier this year, Owens designed a suitcase for the brand with a bronzed exterior that required handmade pigment, making each suitcase unique.

The congenital disorder affects just one in 20,000 people and means he lacks pigment in his skin, hair and eyes as well as having a visual impairment.

These photoreceptors also regulate things like sexual and asexual development and metabolism, accumulation of protective pigments and proteins, and growth.

Orange, yellow and red pigments exert the most influence over skin, and orange seems to reign supreme.

The increased protein activates a molecular pathway that produces a light red pigment, researchers reported last month in two bioRxiv preprints.