Moisturiser-in-an-SPF 50

• What is a Moisturiser-in-an-SPF 50?
• What active ingredients does the Moisturiser-in-an-SPF 50 contain?
• How do I use my Moisturiser-in-an-SPF 50?
• When can I expect results from my Moisturiser-in-an-SPF 50?
• What happens if I experience side effects to my Moisturiser-in-an-SPF 50?