Bio-glo HOT incorporates a light bronzer for immediate color while still delivering its five primary ingredients. All necessary to achieve the healthiest darkest tan possible. Utilizes the same revolutionary super oxyenating "skin smart" tanning technology as Bio-glo, plus we've added a TINGLE for additional skin oxygenation while tanning and a light bronzer. Absolutely the most effective science based tan accelerating & skin revitalizing product you have ever used. Bio-engineered to infuse your skin with the essentials believed to be necessary in melanin production (a tan) while delivering the latest in (facial quality) epidermal care. .