Experience the ultimate in sunless tanning perfection with California Tan's Sunless Perfecting Primer Step One. Our carefully crafted formula is designed to provide you with the optimal base for a rich and beautifully deep sunless tan. Advanced Color: Proteins and carbohydrates create a darker, vibrant sunless tan. Protein-DHA Reaction: Proteins amplify DHA for lasting, authentic color. Carb Energization: Carbohydrates fortify proteins, revitalizing skin. Hydration: Gel formula with moisture-rich ingredients locks hydration.