And some skin care tips simply aren’t true. Ahead, find a few popular skin care myths and why you should think twice before believing them: “Gels or gel creams have a higher water content and are usually oil-free and are quickly absorbed into the skin,” board-certified dermatologist Ramya Garlapati, M.D., previously told mbg. On the flip side, richer creams generally come oil-based and will leave the skin feeling a bit greasy–which is why they’re ideal for drier skin instead. A few hero ingredients to look for in your oily skin moisturizers include: To make sure your daily cup remains skin-friendly, remember the following (and check out this guide for more details): See, your natural collagen levels begin declining with age (starting around the mid-20s1). However, you can support internal collagen production by ingesting hydrolyzed collagen peptides—here’s a list of our favorite options if you’re on the hunt.