“If you’re not used to retinol products you may find that they cause your skin to become red, dry and flakey. To avoid this Bianca Estelle, Medical Aesthetician, Skin Specialist and Founder of bea Skin Care in Marylebone, says, “I’d always advise speaking to a professional skin specialist before you start using active ingredients as they will be able to advise what will and won’t be suitable for your skin”