A bronzer is a product designed to temporarily darken the skin and provide a darker complexion, while a fake tan uses a chemical reaction to produce darkness that can last up to 10 days. Bronzers are similar to fake tan but are not identical, as they do not last as long and are not as intense in colour. While fake tan products can produce a more natural-looking tan, bronzers are ideal for providing a quick and easy solution for those who want a temporary darker complexion without the commitment of a long-lasting tan.