Collistar bust firming lifting with collagen + hyaluronic acid… Collistar bust firming lifting with collagen + hyaluronic acid is a true natural support for the skin, that helps to redensify and re-assemble the cutaneous tissues of the breast, combat loss of tone and elasticity of the epidermis, preventing the formation of sagging and stretch marks. Hyaluronic acid, the super-moisturizing substance par excellence, contributes to the maintenance of turgidity and smoothness of the breast with three different actions lifting on the epidermal surface (hyaluronic acid with high molecular weight). Repacking at the dermo-epidermal junction (acid medium molecular weight hyaluronic acid). Stimulation of deep cutaneous cellular metabolism (low molecular weight hyaluronic acid). If you have already tried our product, please leave your opinion in the comments. Apply a few drops on the breast with gentle circular massages, avoiding the nipple. On the cleavage with movements from bottom to top.