Use with derma roller for best results & effects 1- Apply serum & roller derma roller & keep on applying serum in between rollings & dont wash face for 3 hours for best results use sunscreen Multiple forms of HA apply deep, long-lasting hydration. Advanced technologies enhance HA within the skin. Shake well before using. Apply sparingly in the morning and evening over entire face and neck. Restore hydration while reducing the appearance of fine lines and wrinkles for a more youthful, contoured look. Unique face serum formula helps you achieve a fully hydrated complexion that stay smooth, supple, and glows from within