The Vita A Retinol Shot Tightening Serum 30ml, celimaxPRODUCT INFORMATION A retinol serum infused with 0. 1% pure retinol, along with A Shot, which is designed to directly penetrate pores and enhance absorption, delivers retinol deep into the skin to target wrinkles and enlarged pores, helping to achieve smooth and firm skin. Targets signs of aging: With 0. 1% pure retinol and a powerful 9 peptide complex, this serum boosts elasticity, smooths fine lines and texture, and minimizes the look of pores.