Ultraviolet (UV) rays are a form of radiation that comes from the sun. There are two main types of UV rays that affect the skin: UVA and UVB. UVA rays penetrate deep into the skin and are primarily responsible for aging and long-term damage. UVB rays affect the surface of the skin, causing sunburns and contributing to the development of skin cancer. Cosmetique Clinic Sunblock SPF 60 ... https://www.qhc.com.pk/best-sunblock-creams-in-pakistan/