Using Elixire Belleโข Anhydrous 0.3% Pure Retinol once a day in the evening shows significant improvements in skin firmness and elasticity after just two weeks, particularly in women aged 30 to 65. Similarly, applying Elixire Belleโข Anhydrous 22% Pure Vitamin C each morning significantly enhances skin radiance and reduces dark spot intensity. By incorporating both products into your daily skincare routine, you can enjoy multiple benefits: Retinol works overnight to boost firmness and elasticity, while Vitamin C brightens the skin and reduces dark spots during the day.