Phytolastil The Gel is Lierac's stretch-mark prevention gel. Its unscented amber gel is non-greasy and absorbs quickly. It contains the Alchemilla-Ivy-Horsetail complex, plant extracts rich in flavonoids, tannins and silicon that help the skin make collagen and elastin, and it hydrates the skin and relieves tightness. The formula has 97% natural-origin ingredients and suits all skin types, including during pregnancy.