How does a bronzer work?

 Bronzers are natural proteins in the skin that develop once exposed to UV light. They usually take

 4 to 6 hours to develop fully after initial exposure. Caramel, Walnut Extract and DHA are sunless
 tanning agents that provide that added immediate bronze color. For best results, wait at least 4
 hours after tanning to shower. Please note it is best to avoid heavy sweating, saunas, swimming
 or hot showers during this time period.