Wrinkles are ridges that form when our epidermis loses suppleness. But there's a difference between expression lines and deep wrinkles. The former are caused by repeated facial expressions that gradually become etched on our face. The latter appear when our dermis begins to sag or when furrows deepen due to dehydration. Our body naturally produces collagen and hyaluronic acid, two molecules that keep our skin supple, plump and youthful. But over time, our bodies produce less. Our skin becomes thinner, more fragile and less supple. The result is wrinkles. Frown lines, crow's feet, laughter lines, lip wrinkles... It's not the end of the world but it's worth investing in anti-ageing treatments to keep these little devils at bay. Moisturising your skin will keep it supple and comfortable, and opting for an anti-ageing treatment will make up for reduced levels of elastin and collagen. Simple measures to apply as soon as you spot your first wrinkle!