Black Magic Tan Vibe Evolution 2-4-6hr Violet Base 1LVibe Evolution 2 4 6 has been created using Advanced Technology Development and provides the opportunity for salons to manage the needs of several clients in one bottle! The longer you leave Vibe Evolution 2 4 6 tanning solution on the skin the darker it becomes. You can leave it as little as one hour for very fair clients, up to six hours depending on skin type and tone. Vibe professional tanning solutions slips over the skin like velvet transforming