Collagen has become a prized ingredient in the wellness world for its ability to rejuvenate lacklustre skin, smooth fine lines, kickstart hair growth and aid muscle recovery. But quality varies – and knowing what to take and when can be a minefield. One of the beauty world’s original collagen supplements and a bestseller to this day, Rejuvenated’s Collagen Shots are the definition of a cult product. Here’s why they’re worth a try…