SkinMedica Retinol Complex 0.5
SkinMedica 的视黄醇复合物 0.5 是继视黄醇复合物 0.25 或其他视黄醇或类视黄醇产品之后的完美下一步。它可以使肌肤焕然一新，抚平细纹，打造水润饱满的妆容，让面部焕发活力。视黄醇浓度 0.5%
My go to retinol
One pump barely covers just my face. So I think the concentration is great especially when just previously using OTC but i wish the pump was bigger to cover both face and neck would need 2 pumps.